dtest.cs

using System;
using System.Collections.Generic;
using System.Threading;
using System.Net;
using System.Reflection;
using System.Text;
using Mono.Cecil.Cil;
using Mono.Debugger.Soft;
using Diag = System.Diagnostics;
using System.Linq;
using System.IO;
using System.Security.Cryptography;
using System.Threading.Tasks;

using NUnit.Framework;

#pragma warning disable 0219

namespace MonoTests
{

[TestFixture]
public class DebuggerTests
{
	VirtualMachine vm;
	MethodMirror entry_point;
	StepEventRequest step_req;
	bool forceExit;

	void AssertThrows<ExType> (Action del) where ExType : Exception {
		bool thrown = false;

		try {
			del ();
		} catch (ExType) {
			thrown = true;
		}
		Assert.IsTrue (thrown);
	}

	// No other way to pass arguments to the tests ?
#if MONODROID_TEST
	public static bool listening = true;
#else
	public static bool listening = Environment.GetEnvironmentVariable ("DBG_SUSPEND") != null;
#endif
	public static string runtime = Environment.GetEnvironmentVariable ("DBG_RUNTIME");
	public static string runtime_args = Environment.GetEnvironmentVariable ("DBG_RUNTIME_ARGS");
	public static string agent_args = Environment.GetEnvironmentVariable ("DBG_AGENT_ARGS");
#if MONODROID_TEST
	// AssemblyInfo.Location doesn't work on Android, we expect test .exe's to be in the working dir
	public static string this_assembly_path = "";
#else
	// expect test .exe's to be next to this assembly
	public static string this_assembly_path = Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location);
#endif

	public static string dtest_app_path = Path.Combine (this_assembly_path, "dtest-app.exe");

	// Not currently used, but can be useful when debugging individual tests.
	void StackTraceDump (Event e)
	{
		int i = 0;
		foreach (var frame in e.Thread.GetFrames ())
		{
			i++;
			Console.WriteLine ("Frame " + i + ", " + frame.Method.Name);
		}
	}

	Event GetNextEvent () {
		var es = vm.GetNextEventSet ();
		Assert.AreEqual (1, es.Events.Length);
		return es [0];
	}

	void Start (params string[] args) {
		Start (false, args);
	}

	Diag.ProcessStartInfo CreateStartInfo (string[] args) {
		var pi = new Diag.ProcessStartInfo ();
		pi.RedirectStandardOutput = true;
		pi.RedirectStandardError = true;
		if (runtime != null) {
			pi.FileName = runtime;
		} else {
			string processExe = Diag.Process.GetCurrentProcess ().MainModule.FileName;
			if (processExe != null) {
				string fileName = Path.GetFileName (processExe);
				if (fileName.StartsWith ("mono"))
					pi.FileName = processExe;
			}
		}
		if (string.IsNullOrEmpty (pi.FileName))
			throw new ArgumentException ("Couldn't find mono runtime.");
		pi.Arguments = String.Join (" ", args);
		if (runtime_args != null)
			pi.Arguments = runtime_args + " " + pi.Arguments;
		return pi;
	}

	void Start (bool forceExit, params string[] args) {
		this.forceExit = forceExit;

		if (!listening) {
			var pi = CreateStartInfo (args);
			vm = VirtualMachineManager.Launch (pi, new LaunchOptions { AgentArgs = agent_args });
		} else {
#if MONODROID_TEST
			System.Diagnostics.Process.Start("/usr/bin/make", "-C ../android dirty-run-debugger-test");
#endif
			var ep = new IPEndPoint (IPAddress.Any, 6100);
			Console.WriteLine ("Listening on " + ep + "...");
			vm = VirtualMachineManager.Listen (ep);
		}

		var load_req = vm.CreateAssemblyLoadRequest ();
		load_req.Enable ();

		Event vmstart = GetNextEvent ();
		Assert.AreEqual (EventType.VMStart, vmstart.EventType);

		vm.Resume ();

		entry_point = null;
		step_req = null;

		Event e;

		/* Find out the entry point */
		while (true) {
			e = GetNextEvent ();

			if (e is AssemblyLoadEvent) {
				AssemblyLoadEvent ae = (AssemblyLoadEvent)e;
				entry_point = ae.Assembly.EntryPoint;
				if (entry_point != null)
					break;
			}

			vm.Resume ();
		}

		load_req.Disable ();

		if (args.Length == 2) {
			var this_type = entry_point.DeclaringType;
			var str = vm.RootDomain.CreateString (args [1]);
			var slot = this_type.GetField ("arg");

			if (slot == null)
				throw new Exception ("Missing slot");

			if (str == null)
				throw new Exception ("Bug in createstring");

			this_type.SetValue (slot, str);
		} else if (args.Length > 2) {
			throw new Exception (String.Format ("Fixme {0}", args [2]));
		}
	}

	BreakpointEvent run_until (string name) {
		// String
		MethodMirror m = entry_point.DeclaringType.GetMethod (name);
		Assert.IsNotNull (m);
		//Console.WriteLine ("X: " + name + " " + m.ILOffsets.Count + " " + m.Locations.Count);
		var req = vm.SetBreakpoint (m, m.ILOffsets [0]);

		Event e = null;

		while (true) {
			vm.Resume ();
			e = GetNextEvent ();
			if (e is BreakpointEvent)
				break;
		}

		req.Disable ();

		Assert.IsInstanceOfType (typeof (BreakpointEvent), e);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		return (e as BreakpointEvent);
	}

	class ReusableBreakpoint {
		DebuggerTests owner;
		public string method_name;
		public BreakpointEventRequest req;
		public BreakpointEvent lastEvent = null;
		public ReusableBreakpoint (DebuggerTests owner, string method_name)
		{
			this.owner = owner;
			this.method_name = method_name;
			MethodMirror m = owner.entry_point.DeclaringType.GetMethod (method_name);
			Assert.IsNotNull (m);
			req = owner.vm.SetBreakpoint (m, m.ILOffsets [0]);
		}

		public void Continue ()
		{
			bool survived = false;

			try {
				Event e = null;

				while (true) {
					owner.vm.Resume ();
					e = owner.GetNextEvent ();
					if (e is BreakpointEvent)
						break;
				}

				Assert.IsInstanceOfType (typeof (BreakpointEvent), e);
				Assert.AreEqual (method_name, (e as BreakpointEvent).Method.Name);

				lastEvent = e as BreakpointEvent;

				survived = true;
			} finally {
				if (!survived) { // Ensure cleanup if we triggered an assert
					Disable ();
				}
			}
		}

		public void Disable ()
		{
			req.Disable ();
		}
	}

	/* One of the tests executes a complex tree of recursive functions.
	   The only good way to specify how its behavior should appear from this side
	   is to just run the function tree once over here and record what it does. */
	public struct RecursiveChaoticPoint
	{
		public bool breakpoint;
		public string name;
		public int depth;

		public RecursiveChaoticPoint (bool breakpoint, string name, int depth)
		{
			this.breakpoint = breakpoint;
			this.name = name;
			this.depth = depth;
		}
	}

	// The breakpoint is placed here in dtest-app.cs
	public static void ss_recursive_chaotic_trap (int n, List<RecursiveChaoticPoint> trace, ref bool didLast, ref bool didAny)
	{
		// Depth is calculated as:
		// Main + single_stepping + ss_recursive_chaotic + (n is 5 at outermost frame and 0 at innermost frame) + ss_recursive_chaotic_trap
		trace.Add (new RecursiveChaoticPoint (true, "ss_recursive_chaotic_trap", 5 - n + 5));
		didLast = true;
	}

	public static void ss_recursive_chaotic_at (string at, int n, List<RecursiveChaoticPoint> trace, ref bool didLast, ref bool didAny)
	{
		// This will be called after every return from a function. The other function will return whether "step out" is currently active, and it will be passed in here as didLast.
		if (didLast) {
			// Depth is calculated as:
			// Main + single_stepping + ss_recursive_chaotic + (n is 5 at outermost frame and 0 at innermost frame)
			trace.Add (new RecursiveChaoticPoint (false, "ss_recursive_chaotic_" + at, 5 - n + 4));
			didAny = true;
			didLast = false;
		}
	}

	public static bool ss_recursive_chaotic_fizz (int n, List<RecursiveChaoticPoint> trace)
	{
		bool didLast = false, didAny = false;
		if (n > 0) {
			int next = n - 1;
			didLast = ss_recursive_chaotic_buzz (next, trace);
			ss_recursive_chaotic_at ("fizz", n, trace, ref didLast, ref didAny);
			didLast = ss_recursive_chaotic_fizzbuzz (next, trace);
			ss_recursive_chaotic_at ("fizz", n, trace, ref didLast, ref didAny);
		} else {
			ss_recursive_chaotic_trap (n, trace, ref didLast, ref didAny);
			ss_recursive_chaotic_at ("fizz", n, trace, ref didLast, ref didAny);
		}
		return didAny;
	}

	public static bool ss_recursive_chaotic_buzz (int n, List<RecursiveChaoticPoint> trace)
	{
		bool didLast = false, didAny = false;
		if (n > 0) {
			int next = n - 1;
			didLast = ss_recursive_chaotic_fizz (next, trace);
			ss_recursive_chaotic_at ("buzz", n, trace, ref didLast, ref didAny);
			didLast = ss_recursive_chaotic_fizzbuzz (next, trace);
			ss_recursive_chaotic_at ("buzz", n, trace, ref didLast, ref didAny);
		}
		return didAny;
	}

	public static bool ss_recursive_chaotic_fizzbuzz (int n, List<RecursiveChaoticPoint> trace)
	{
		bool didLast = false, didAny = false;
		if (n > 0) {
			int next = n - 1;
			didLast = ss_recursive_chaotic_fizz (next, trace);
			ss_recursive_chaotic_at ("fizzbuzz", n, trace, ref didLast, ref didAny);
			didLast = ss_recursive_chaotic_buzz (next, trace);
			ss_recursive_chaotic_at ("fizzbuzz", n, trace, ref didLast, ref didAny);
			didLast = ss_recursive_chaotic_fizzbuzz (next, trace);
			ss_recursive_chaotic_at ("fizzbuzz", n, trace, ref didLast, ref didAny);
		}
		return didAny;
	}

	public static void trace_ss_recursive_chaotic (List<RecursiveChaoticPoint> trace)
	{
		ss_recursive_chaotic_fizz (5, trace);
	}

	Event single_step (ThreadMirror t) {
		var req = vm.CreateStepRequest (t);
		req.Enable ();

		vm.Resume ();
		Event e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);

		req.Disable ();

		return e;
	}

	Event step_until (ThreadMirror t, string method_name) {
		Event e;
		while (true) {
			e = single_step (t);
			if ((e as StepEvent).Method.Name == method_name)
				break;
		}
		return e;
	}

	void check_arg_val (StackFrame frame, int pos, Type type, object eval) {
		object val = frame.GetArgument (pos);
		Assert.IsTrue (val is PrimitiveValue);
		object v = (val as PrimitiveValue).Value;
		Assert.AreEqual (type, v.GetType ());
		if (eval is float)
			Assert.IsTrue (Math.Abs ((float)eval - (float)v) < 0.0001);
		else if (eval is double)
			Assert.IsTrue (Math.Abs ((double)eval - (double)v) < 0.0001);
		else
			Assert.AreEqual (eval, v);
	}

	void AssertValue (object expected, object val) {
		if (expected is string) {
			Assert.IsTrue (val is StringMirror);
			Assert.AreEqual (expected, (val as StringMirror).Value);
		} else if (val is StructMirror && (val as StructMirror).Type.Name == "IntPtr") {
			AssertValue (expected, (val as StructMirror).Fields [0]);
		} else if (val is PointerValue) {
			Assert.AreEqual (expected, (val as PointerValue).Address);
		} else {
			Assert.IsTrue (val is PrimitiveValue);
			Assert.AreEqual (expected, (val as PrimitiveValue).Value);
		}
	}

	[SetUp]
	public void SetUp () {
		ThreadMirror.NativeTransitions = false;
		Start (new string [] { dtest_app_path });
	}

	[TearDown]
	public void TearDown () {
		if (vm == null)
			return;

		if (step_req != null)
			step_req.Disable ();

		vm.Resume ();
		if (forceExit)
			vm.Exit (0);

		while (true) {
			Event e = GetNextEvent ();

			if (e is VMDeathEvent)
				break;

			vm.Resume ();
		}
		vm = null;
	}

	[Test]
	public void SimpleBreakpoint () {
		Event e;

		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp1");
		Assert.IsNotNull (m);

		vm.SetBreakpoint (m, 0);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		// Argument checking
		AssertThrows<ArgumentException> (delegate {
				// Invalid IL offset
				vm.SetBreakpoint (m, 2);
			});
	}

	[Test]
	public void BreakpointsSameLocation () {
		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp2");
		Assert.IsNotNull (m);

		vm.SetBreakpoint (m, 0);
		vm.SetBreakpoint (m, 0);

		vm.Resume ();

		var es = vm.GetNextEventSet ();
		Assert.AreEqual (2, es.Events.Length);
		Assert.IsTrue (es [0] is BreakpointEvent);
		Assert.AreEqual (m, (es [0] as BreakpointEvent).Method);

		Assert.IsTrue (es [1] is BreakpointEvent);
		Assert.AreEqual (m.Name, (es [1] as BreakpointEvent).Method.Name);
	}

	[Test]
	public void MetadataAndPdbTest () {
		run_until ("bp1");
		var assemblyMirrors = entry_point.DeclaringType.Assembly.Domain.GetAssemblies ();
		Assert.IsTrue (assemblyMirrors.Length > 0);

		foreach (var assemblyMirror in assemblyMirrors) {
			assemblyMirror.GetMetadata ();
			var metadata = assemblyMirror.Metadata;
			Assert.AreEqual (metadata.MainModule.Mvid, assemblyMirror.ManifestModule.ModuleVersionId);

			var location = assemblyMirror.Location;
			if (!File.Exists (location))
				continue;

			Assert.IsFalse (assemblyMirror.IsDynamic);

			var rawDataFromMemory = assemblyMirror.GetMetadataBlob ();
			var rawDataFromDisk = File.ReadAllBytes (location);
			Assert.IsTrue (rawDataFromMemory.SequenceEqual (rawDataFromDisk));

			string pdbPath = Path.ChangeExtension (location, "pdb");
			Assert.IsFalse (assemblyMirror.HasPdb);
			Assert.IsFalse (assemblyMirror.HasFetchedPdb);
			
			var pdbFromMemory = assemblyMirror.GetPdbBlob ();
			if (!File.Exists (pdbPath)) {
				Assert.IsFalse (assemblyMirror.HasPdb);
				Assert.IsTrue (assemblyMirror.HasFetchedPdb);
				continue;
			}

			Assert.IsTrue (pdbFromMemory != null && pdbFromMemory.Length > 0);
			var pdbFromDisk = File.ReadAllBytes (pdbPath);
			Assert.IsTrue (pdbFromMemory.SequenceEqual (pdbFromDisk));
			
			Assert.IsTrue (assemblyMirror.HasPdb);
			Assert.IsTrue (assemblyMirror.HasFetchedPdb);

			foreach (var type in metadata.Modules.SelectMany (x => x.GetTypes ())) {
				var typeMirror = assemblyMirror.GetType (type.MetadataToken.ToUInt32 ());
				Assert.AreEqual (type.Name, typeMirror.Name);
				Assert.AreEqual (type.MetadataToken.ToInt32 (), typeMirror.MetadataToken);

				int methodCount = 0;
				foreach (var method in type.Methods) {
					var methodMirror = assemblyMirror.GetMethod (method.MetadataToken.ToUInt32 ());
					Assert.AreEqual (method.Name, methodMirror.Name);
					Assert.AreEqual (method.MetadataToken.ToInt32 (), methodMirror.MetadataToken);
					
					if (methodCount++ > 10)
						break;
				}

				if (type.IsNested)
					break;
			}
		}
	}
	
	[Test]
	public void IsDynamicAssembly () {
		vm.Detach ();

		Start (new string[] { dtest_app_path, "ref-emit-test"});

		run_until ("ref_emit_call");
		var assemblyMirrors = entry_point.DeclaringType.Assembly.Domain.GetAssemblies ();
		bool dynamicAssemblyFound = false;
		foreach (var assemblyMirror in assemblyMirrors) {
			if (assemblyMirror.GetName ().Name == "foo") {
				dynamicAssemblyFound = true;
				Assert.IsTrue (assemblyMirror.IsDynamic);
			}
			else
				Assert.IsFalse (assemblyMirror.IsDynamic);
		}

		Assert.IsTrue (dynamicAssemblyFound);
	}

	[Test]
	public void BreakpointAlreadyJITted () {
		Event e = run_until ("bp1");

		/* Place a breakpoint on bp3 */
		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp3");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, 0);

		/* Same with generic instances */
		MethodMirror m2 = entry_point.DeclaringType.GetMethod ("bp7");
		Assert.IsNotNull (m2);
		vm.SetBreakpoint (m2, 0);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		vm.Resume ();

		/* Non-shared instance */
		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.AreEqual (m2.Name, (e as BreakpointEvent).Method.Name);

		vm.Resume ();

		/* Shared instance */
		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.AreEqual (m2.Name, (e as BreakpointEvent).Method.Name);
	}

	[Test]
	public void ClearBreakpoint () {
		Event e;

		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp4");
		Assert.IsNotNull (m);
		EventRequest req1 = vm.SetBreakpoint (m, 0);
		EventRequest req2 = vm.SetBreakpoint (m, 0);

		MethodMirror m2 = entry_point.DeclaringType.GetMethod ("bp5");
		Assert.IsNotNull (m2);
		vm.SetBreakpoint (m2, 0);

		/* Run until bp4 */
		vm.Resume ();

		var es = vm.GetNextEventSet ();
		Assert.AreEqual (2, es.Events.Length);
		Assert.AreEqual (EventType.Breakpoint, es [0].EventType);
		Assert.AreEqual (m.Name, (es [0] as BreakpointEvent).Method.Name);
		Assert.AreEqual (EventType.Breakpoint, es [1].EventType);
		Assert.AreEqual (m.Name, (es [1] as BreakpointEvent).Method.Name);

		/* Clear one of them */
		req1.Disable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		/* Clear the other */
		req2.Disable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.AreEqual (m2.Name, (e as BreakpointEvent).Method.Name);
	}

	[Test]
	public void ClearAllBreakpoints () {
		Event e;

		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp4");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, 0);

		MethodMirror m2 = entry_point.DeclaringType.GetMethod ("bp5");
		Assert.IsNotNull (m2);
		vm.SetBreakpoint (m2, 0);

		vm.ClearAllBreakpoints ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsTrue (!(e is BreakpointEvent));
		if (e is VMDeathEvent)
			vm = null;
	}

	[Test]
	public void BreakpointOnGShared () {
		Event e;

		MethodMirror m = entry_point.DeclaringType.GetMethod ("bp6");
		Assert.IsNotNull (m);

		vm.SetBreakpoint (m, 0);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		// Breakpoint on an open generic method of a closed generic class (#3422)
		var frame = e.Thread.GetFrames ()[0];
		var ginst = frame.GetValue (frame.Method.GetLocal ("gc"));
		var m2 = (ginst as ObjectMirror).Type.GetMethod ("bp");
		vm.SetBreakpoint (m2, 0);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (m2.Name, (e as BreakpointEvent).Method.Name);
	}

	// Assert we have stepped to a location
	void assert_location (Event e, string method) {
		Assert.IsTrue (e is StepEvent);
		Assert.AreEqual (method, (e as StepEvent).Method.Name);
	}

	// Assert we have breakpointed at a location
	void assert_location_at_breakpoint (Event e, string method) {
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (method, (e as BreakpointEvent).Method.Name);
	}

	// Assert we have stepped to or breakpointed at a location
	void assert_location_allow_breakpoint (Event e, string method) {
		if (e is StepEvent)
			Assert.AreEqual (method, (e as StepEvent).Method.Name);
		else if (e is BreakpointEvent)
			Assert.AreEqual (method, (e as BreakpointEvent).Method.Name);
		else
			Assert.Fail ("Neither step nor breakpoint event");
	}

	StepEventRequest create_step (Event e) {
		var req = vm.CreateStepRequest (e.Thread);
		step_req = req;
		return req;
	}

	[Test]
	public void ClassLocalReflection () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "local-reflect" });

		MethodMirror m = entry_point.DeclaringType.Assembly.GetType ("LocalReflectClass").GetMethod ("RunMe");

		Assert.IsNotNull (m);

//		foreach (var x in m.Locations) {
//			Console.WriteLine (x);
//		}

		var offset = -1;
		int method_base_linum = m.Locations [0].LineNumber;
		foreach (var location in m.Locations)
			if (location.LineNumber == method_base_linum + 2) {
				offset = location.ILOffset;
				break;
			}

		var req = vm.SetBreakpoint (m, offset);

		Event e = null;

		while (true) {
			vm.Resume ();
			e = GetNextEvent ();
			if (e is BreakpointEvent)
				break;
		}

		req.Disable ();

		Assert.IsInstanceOfType (typeof (BreakpointEvent), e);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		e = single_step (e.Thread);

		var frame = e.Thread.GetFrames ()[0];

		Assert.IsNotNull (frame);
		var field = frame.Method.GetLocal ("reflectMe");
		Assert.IsNotNull (field);
		Value variable = frame.GetValue (field);

		ObjectMirror thisObj = (ObjectMirror)variable;
		TypeMirror thisType = thisObj.Type;
		FieldInfoMirror thisFi = null;
		foreach (var fi in thisType.GetFields ())
			if (fi.Name == "someField")
				thisFi = fi;

		var gotVal = thisObj.GetValue (thisFi);
		// If we got this far, we're good.
	}

	[Test]
	public void SingleStepping () {
		Event e = run_until ("single_stepping");

		var req = create_step (e);
		req.Enable ();

		// Step over 'bool b = true'
		e = step_once ();
		assert_location (e, "single_stepping");

		// Skip nop
		step_once ();

		// Step into ss1
		e = step_once ();
		assert_location (e, "ss1");

		// Skip }
		e = step_once ();

		// Step out of ss1
		e = step_once ();
		assert_location (e, "single_stepping");

		// Step over ss2
		e = step_over ();
		assert_location (e, "single_stepping");

		// Step into ss3
		e = step_into ();
		assert_location (e, "ss3");

		// Step back into single_stepping
		e = step_out ();
		assert_location (e, "single_stepping");

		// Step into next line
		e = step_into ();
		assert_location (e, "single_stepping");

		// Step into ss3_2 ()
		e = step_into ();
		assert_location (e, "ss3_2");

		// Step over ss3_2_2 ()
		e = step_over ();
		assert_location (e, "ss3_2");

		// Recreate the request
		req.Disable ();
		req.Enable ();

		// Skip }
		e = step_once ();

		// Step back into single_stepping () with the new request
		e = step_once ();
		assert_location (e, "single_stepping");

		// Step into ss4 ()
		e = step_into ();
		assert_location (e, "ss4");

		// Skip nop
		e = step_once ();

		// Change to StepSize.Line
		req.Disable ();
		req.Depth = StepDepth.Over;
		req.Size = StepSize.Line;
		req.Enable ();

		// Step over ss1 (); ss1 ();
		e = step_once ();

		// Step into ss2 ()
		req.Disable ();
		req.Depth = StepDepth.Into;
		req.Enable ();

		e = step_once ();
		assert_location (e, "ss2");

		req.Disable ();

		// Run until ss5
		e = run_until ("ss5");

		// Add an assembly filter
		req.AssemblyFilter = new AssemblyMirror [] { (e as BreakpointEvent).Method.DeclaringType.Assembly };
		req.Enable ();

		// Skip nop
		e = step_once ();

		// Step into is_even, skipping the linq stuff
		e = step_once ();
		assert_location (e, "is_even");

		// FIXME: Check that single stepping works with lock (obj)
		req.Disable ();

		// Run until ss6
		e = run_until ("ss6");

		req = create_step (e);
		req.Depth = StepDepth.Over;
		req.Enable ();

		// Check that single stepping works in out-of-line bblocks
		e = step_once ();
		e = step_once ();
		assert_location (e, "ss6");
		req.Disable ();

		// Testing stepping in, over and out with exception handlers in same or caller method

		//stepout in ss7_2, which may not go to catch(instead out to ss7)
		e = run_until ("ss7_2");
		create_step (e);
		assert_location (step_out(), "ss7");

		//stepout in ss7_2_1, which must go to catch
		run_until ("ss7_2_1");
		assert_location (step_out (), "ss7_2");

		//stepover over ss7_2, which must go to catch
		run_until ("ss7_2");
		assert_location (step_over (), "ss7_2");//move to "try {" line
		assert_location (step_over (), "ss7_2");//move to "ss7_2_2();" line
		assert_location (step_over (), "ss7_2");//step over ss7_2_2();, assume we are at "catch" now
		assert_location (step_over (), "ss7_2");//move to { of catch
		assert_location (step_over (), "ss7_2");//move to } of catch
		assert_location (step_over (), "ss7_2");//move to } of method
		assert_location (step_over (), "ss7");//finish method

		//stepover over ss7_2_1, which must go to catch
		run_until ("ss7_2_1");
		assert_location (step_over (), "ss7_2_1");//move from { of method to "throw new Exception ();"
		assert_location (step_over (), "ss7_2");//step over exception, being in ss7_2 means we are at catch

		//stepin in ss7_3, which must go to catch
		run_until ("ss7_3");
		assert_location (step_into (), "ss7_3");//move to "try {"
		assert_location (step_into (), "ss7_3");//move to "throw new Exception ();"
		step_req.Disable ();
		step_req.AssemblyFilter = new AssemblyMirror [] { (e as BreakpointEvent).Method.DeclaringType.Assembly };
		assert_location (step_into (), "ss7_3");//call "throw new Exception ();", we assume we end up at "catch"
		assert_location (step_into (), "ss7_3");//move to { of catch
		assert_location (step_into (), "ss7_3");//move to } of catch
		assert_location (step_into (), "ss7_3");//move to } of method
		assert_location (step_into (), "ss7");//move out to ss7

		//stepover in ss7_2_1, which must go to catch
		run_until ("ss7_2_1");
		assert_location (step_into (), "ss7_2_1");//move from { of method to "throw new Exception ();"
		assert_location (step_into (), "ss7_2");//step in exception, being in ss7_2 means we are at catch
		step_req.Disable ();

		// Check that stepping stops between nested calls
		e = run_until ("ss_nested_2");
		req = create_step (e);
		e = step_out ();
		assert_location (e, "ss_nested");
		e = step_into ();
		assert_location (e, "ss_nested_1");
		e = step_out ();
		assert_location (e, "ss_nested");
		// Check that step over steps over nested calls
		e = step_over ();
		assert_location (e, "ss_nested");
		e = step_into ();
		assert_location (e, "ss_nested_2");
		e = step_into ();
		assert_location (e, "ss_nested_2");
		e = step_into ();
		assert_location (e, "ss_nested_2");
		e = step_into ();
		assert_location (e, "ss_nested");
		e = step_into ();
		assert_location (e, "ss_nested_1");
		e = step_into ();
		assert_location (e, "ss_nested_1");
		e = step_into ();
		assert_location (e, "ss_nested");
		req.Disable ();

		// Check DebuggerStepThrough support
		e = run_until ("ss_step_through");
		req = create_step (e);
		req.Filter = StepFilter.DebuggerStepThrough;
		e = step_into ();
		// Step through step_through_1 ()
		e = step_into ();
		assert_location (e, "ss_step_through");
		// Step through StepThroughClass.step_through_2 ()
		e = step_into ();
		assert_location (e, "ss_step_through");
		req.Disable ();
		req.Filter = StepFilter.None;
		e = step_into ();
		assert_location (e, "step_through_3");
		req.Disable ();

		// Check DebuggerNonUserCode support
		e = run_until ("ss_non_user_code");
		req = create_step (e);
		req.Filter = StepFilter.DebuggerNonUserCode;
		e = step_into ();
		// Step through non_user_code_1 ()
		e = step_into ();
		assert_location (e, "ss_non_user_code");
		// Step through StepThroughClass.non_user_code_2 ()
		e = step_into ();
		assert_location (e, "ss_non_user_code");
		req.Disable ();
		req.Filter = StepFilter.None;
		e = step_into ();
		assert_location (e, "non_user_code_3");
		req.Disable ();

		// Check that step-over doesn't stop at inner frames with recursive functions
		e = run_until ("ss_recursive");
		req = create_step (e);
		e = step_over ();
		e = step_over ();
		e = step_over ();
		var f = e.Thread.GetFrames () [0];
		assert_location (e, "ss_recursive");
		AssertValue (1, f.GetValue (f.Method.GetLocal ("n")));
		req.Disable ();

		// Check that step-over stops correctly when inner frames with recursive functions contain breakpoints
		e = run_until ("ss_recursive2");
		ReusableBreakpoint breakpoint = new ReusableBreakpoint (this, "ss_recursive2_trap");
		try {
			breakpoint.Continue ();
			e = breakpoint.lastEvent;
			req = create_step (e);
			for (int c = 1; c <= 4; c++) {
				// The first five times we try to step over this function, the breakpoint will stop us
				assert_location_at_breakpoint (e, "ss_recursive2_trap");

				req.Disable ();
				req = create_step (e);
				req.Size = StepSize.Line;

				e = step_out ();
				e = step_over ();//Stepout gets us to ss_recursive2_trap ();, move to ss_recursive2 (next); line
				assert_location (e, "ss_recursive2");

				// Stack should consist of Main + single_stepping + (1 ss_recursive2 frame per loop iteration)
				Assert.AreEqual (c+2, e.Thread.GetFrames ().Length);
				e = step_over_or_breakpoint ();
			}
			// At this point we should have escaped the breakpoints and this will be a normal step stop
			assert_location (e, "ss_recursive2");
			Assert.AreEqual (6, e.Thread.GetFrames ().Length);
		} finally {
			req.Disable ();
			breakpoint.Disable ();
		}

		// Check that step-out stops correctly when inner frames with recursive functions contain breakpoints
		e = run_until ("ss_recursive2");
		breakpoint = new ReusableBreakpoint (this, "ss_recursive2_trap");
		try {
			breakpoint.Continue ();
			e = breakpoint.lastEvent;
			req = create_step (e);
			for (int c = 1; c <= 4; c++) {
				// The first five times we try to step over this function, the breakpoint will stop us
				assert_location_at_breakpoint (e, "ss_recursive2_trap");

				req.Disable ();
				req = create_step (e);
				req.Size = StepSize.Line;

				e = step_out ();
				assert_location (e, "ss_recursive2");

				// Stack should consist of Main + single_stepping + (1 ss_recursive2 frame per loop iteration)
				Assert.AreEqual (c+2, e.Thread.GetFrames ().Length);
				e = step_out_or_breakpoint ();
			}
			for (int c = 3; c >= 1; c--) {
				assert_location (e, "ss_recursive2");
				Assert.AreEqual (c + 2, e.Thread.GetFrames ().Length);

				e = step_out ();
			}
		} finally {
			req.Disable ();
			breakpoint.Disable ();
		}

		// Test step out with a really complicated call tree
		List<RecursiveChaoticPoint> trace = new List<RecursiveChaoticPoint>();
		trace_ss_recursive_chaotic (trace);
		e = run_until ("ss_recursive_chaotic");
		try {
			breakpoint = new ReusableBreakpoint (this, "ss_recursive_chaotic_trap");
			breakpoint.Continue ();
			e = breakpoint.lastEvent;
			foreach (RecursiveChaoticPoint point in trace)
			{
				if (point.breakpoint)
					assert_location_at_breakpoint (e, point.name);
				else
					assert_location (e, point.name);
				Assert.AreEqual (point.depth, e.Thread.GetFrames ().Length);

				req.Disable ();
				req = create_step (e);
				req.Size = StepSize.Line;
				e = step_out_or_breakpoint ();
			}
		} finally {
			req.Disable ();
			breakpoint.Disable ();
		}

		// Check that single stepping doesn't clobber fp values
		e = run_until ("ss_fp_clobber");
		req = create_step (e);
		while (true) {
			f = e.Thread.GetFrames ()[0];
			e = step_into ();
			if ((e as StepEvent).Method.Name == "ss_fp_clobber_2")
				break;
			e = step_into ();
		}
		f = e.Thread.GetFrames ()[0];
		AssertValue (7.0, f.GetValue (f.Method.GetParameters ()[0]));
		req.Disable ();

		e = run_until ("ss_await");
		e = step_in_await ("ss_await", e);//ss_await_1 ().Wait ();//in
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//var a = 1;
		e = step_in_await ("MoveNext", e);//await Task.Delay (10);
		e = step_in_await ("MoveNext", e);//return a + 2;
		e = step_in_await ("MoveNext", e);//}
		e = step_in_await ("ss_await", e);//ss_await_1 ().Wait ();//in

		e = step_in_await ("ss_await", e);//ss_await_1 ().Wait ();//over
		e = step_in_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//var a = 1;
		e = step_over_await ("MoveNext", e);//await Task.Delay (10);
		e = step_over_await ("MoveNext", e);//return a + 2;
		e = step_over_await ("MoveNext", e);//}
		e = step_over_await ("ss_await", e);//ss_await_1 ().Wait ();//over

		e = step_in_await ("ss_await", e);//ss_await_1 ().Wait ();//out before
		e = step_in_await ("MoveNext", e);//{
		e = step_out_await ("ss_await", e);//ss_await_1 ().Wait ();//out before

		e = step_in_await ("ss_await", e);//ss_await_1 ().Wait ();//out after
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//var a = 1;
		e = step_in_await ("MoveNext", e);//await Task.Delay (10);
		e = step_in_await ("MoveNext", e);//return a + 2;
		e = step_out_await ("ss_await", e);//ss_await_1 ().Wait ();//out after

		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//in
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//var a = 1;
		e = step_in_await ("MoveNext", e);//await Task.Delay (10);
		e = step_in_await ("MoveNext", e);//if (exc)
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//if (handled)
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//try {
		e = step_in_await ("MoveNext", e);//throw new Exception ();
		e = step_in_await ("MoveNext", e);//catch
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//}
		e = step_in_await ("MoveNext", e);//}
		e = step_in_await ("MoveNext", e);//}
		e = step_in_await ("MoveNext", e);//return a + 2;
		e = step_in_await ("MoveNext", e);//}
		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//in

		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//over
		e = step_in_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//var a = 1;
		e = step_over_await ("MoveNext", e);//await Task.Delay (10);
		e = step_over_await ("MoveNext", e);//if (exc)
		e = step_over_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//if (handled)
		e = step_over_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//try {
		e = step_over_await ("MoveNext", e);//throw new Exception ();
		e = step_over_await ("MoveNext", e);//catch
		e = step_over_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//}
		e = step_over_await ("MoveNext", e);//}
		e = step_over_await ("MoveNext", e);//}
		e = step_over_await ("MoveNext", e);//return a + 2;
		e = step_over_await ("MoveNext", e);//}
		e = step_over_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//over

		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//out
		e = step_in_await ("MoveNext", e);//{
		e = step_out_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//out

		e = step_in_await ("ss_await", e);//try {
		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, false).Wait ();//in
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//var a = 1;
		e = step_in_await ("MoveNext", e);//await Task.Delay (10);
		e = step_in_await ("MoveNext", e);//if (exc)
		e = step_in_await ("MoveNext", e);//{
		e = step_in_await ("MoveNext", e);//if (handled)
		e = step_in_await ("MoveNext", e);//} else {
		e = step_in_await ("MoveNext", e);//throw new Exception ();
		e = step_in_await ("ss_await", e);//catch
		e = step_in_await ("ss_await", e);//{
		e = step_in_await ("ss_await", e);//}
		e = step_in_await ("ss_await", e);//try {

		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, false).Wait ();//over
		e = step_in_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//var a = 1;
		e = step_over_await ("MoveNext", e);//await Task.Delay (10);
		e = step_over_await ("MoveNext", e);//if (exc)
		e = step_over_await ("MoveNext", e);//{
		e = step_over_await ("MoveNext", e);//if (handled)
		e = step_over_await ("MoveNext", e);//} else {
		e = step_over_await ("MoveNext", e);//throw new Exception ();
		e = step_over_await ("ss_await", e);//catch
		e = step_over_await ("ss_await", e);//{
		e = step_over_await ("ss_await", e);//}
		e = step_over_await ("ss_await", e);//try {

		e = step_in_await ("ss_await", e);//ss_await_1_exc (true, false).Wait ();//out
		e = step_in_await ("MoveNext", e);//{
		e = step_out_await ("ss_await", e);//ss_await_1_exc (true, true).Wait ();//out
	}

	Event step_in_await (string method, Event e)
	{
		if (step_req != null)
			step_req.Disable ();
		create_step (e);
		step_req.AssemblyFilter = new List<AssemblyMirror> () { entry_point.DeclaringType.Assembly };
		var ef = step_into ();
		assert_location (ef, method);
		return ef;
	}

	Event step_over_await (string method, Event e)
	{
		if (step_req != null)
			step_req.Disable ();
		create_step (e);
		step_req.AssemblyFilter = new List<AssemblyMirror> () { entry_point.DeclaringType.Assembly };
		var ef = step_over ();
		assert_location (ef, method);
		return ef;
	}

	Event step_out_await (string method, Event e)
	{
		if (step_req != null)
			step_req.Disable ();
		create_step (e);
		step_req.AssemblyFilter = new List<AssemblyMirror> () { entry_point.DeclaringType.Assembly };
		var ef = step_out ();
		assert_location (ef, method);
		return ef;
	}

	[Test]
	public void SingleSteppingNoFrames () {
		//
		// Test what happens when starting a single step operation on a thread
		// with no managed frames
		//
		// Run a delegate on a tp thread
		var e = run_until ("ss_no_frames_2");

		var this_type = e.Thread.GetFrames ()[0].Method.DeclaringType;
		this_type.SetValue (this_type.GetField ("static_i"), vm.CreateValue (56));

		var thread = e.Thread;
		var e2 = run_until ("ss_no_frames_3");
		// The tp thread should be idle now
		step_req = vm.CreateStepRequest (thread);
		step_req.Depth = StepDepth.Over;
		AssertThrows<Exception> (delegate {
			step_req.Enable ();
			});
	}

	[Test]
	public void MethodEntryExit () {
		run_until ("single_stepping");

		var req1 = vm.CreateMethodEntryRequest ();
		var req2 = vm.CreateMethodExitRequest ();

		req1.Enable ();
		req2.Enable ();

		vm.Resume ();
		Event e = GetNextEvent ();
		Assert.IsTrue (e is MethodEntryEvent);
		Assert.AreEqual ("ss1", (e as MethodEntryEvent).Method.Name);

		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is MethodExitEvent);
		Assert.AreEqual ("ss1", (e as MethodExitEvent).Method.Name);

		req1.Disable ();
		req2.Disable ();
	}

	[Test]
	public void CountFilter () {
		run_until ("single_stepping");

		MethodMirror m2 = entry_point.DeclaringType.GetMethod ("ss3");
		Assert.IsNotNull (m2);
		vm.SetBreakpoint (m2, 0);

		var req1 = vm.CreateMethodEntryRequest ();
		req1.Count = 2;
		req1.Enable ();

		// Enter ss2, ss1 is skipped
		vm.Resume ();
		Event e = GetNextEvent ();
		Assert.IsTrue (e is MethodEntryEvent);
		Assert.AreEqual ("ss2", (e as MethodEntryEvent).Method.Name);

		// Breakpoint on ss3, the entry event is no longer reported
		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is BreakpointEvent);

		req1.Disable ();
	}

	[Test]
	public void Arguments () {
		object val;

		var e = run_until ("arg1");

		StackFrame frame = e.Thread.GetFrames () [0];

		check_arg_val (frame, 0, typeof (sbyte), SByte.MaxValue - 5);
		check_arg_val (frame, 1, typeof (byte), Byte.MaxValue - 5);
		check_arg_val (frame, 2, typeof (bool), true);
		check_arg_val (frame, 3, typeof (short), Int16.MaxValue - 5);
		check_arg_val (frame, 4, typeof (ushort), UInt16.MaxValue - 5);
		check_arg_val (frame, 5, typeof (char), 'F');
		check_arg_val (frame, 6, typeof (int), Int32.MaxValue - 5);
		check_arg_val (frame, 7, typeof (uint), UInt32.MaxValue - 5);
		check_arg_val (frame, 8, typeof (long), Int64.MaxValue - 5);
		check_arg_val (frame, 9, typeof (ulong), UInt64.MaxValue - 5);
		check_arg_val (frame, 10, typeof (float), 1.2345f);
		check_arg_val (frame, 11, typeof (double), 6.78910);

		e = run_until ("arg2");

		frame = e.Thread.GetFrames () [0];

		// String
		val = frame.GetArgument (0);
		AssertValue ("FOO", val);
		Assert.AreEqual ("String", (val as ObjectMirror).Type.Name);

		// null
		val = frame.GetArgument (1);
		AssertValue (null, val);

		// object
		val = frame.GetArgument (2);
		AssertValue ("BLA", val);

		// byref
		val = frame.GetArgument (3);
		AssertValue (42, val);

		// generic instance
		val = frame.GetArgument (4);
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("GClass`1", (val as ObjectMirror).Type.Name);

		// System.Object
		val = frame.GetArgument (5);
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Object", (val as ObjectMirror).Type.Name);

		// this on static methods
		val = frame.GetThis ();
		AssertValue (null, val);

		e = run_until ("arg3");

		frame = e.Thread.GetFrames () [0];

		// this
		val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);

		// objref in register
		val = frame.GetArgument (0);
		AssertValue ("BLA", val);
	}

	[Test]
	public void Arrays () {
		object val;

		var e = run_until ("o2");

		StackFrame frame = e.Thread.GetFrames () [0];

		// String[]
		val = frame.GetArgument (0);
		Assert.IsTrue (val is ArrayMirror);
		ArrayMirror arr = val as ArrayMirror;
		Assert.AreEqual (2, arr.Length);
		AssertValue ("BAR", arr [0]);
		AssertValue ("BAZ", arr [1]);

		var vals = arr.GetValues (0, 2);
		Assert.AreEqual (2, vals.Count);
		AssertValue ("BAR", vals [0]);
		AssertValue ("BAZ", vals [1]);

		arr [0] = vm.RootDomain.CreateString ("ABC");
		AssertValue ("ABC", arr [0]);

		arr [0] = vm.CreateValue (null);
		AssertValue (null, arr [0]);

		arr.SetValues (0, new Value [] { vm.RootDomain.CreateString ("D1"), vm.RootDomain.CreateString ("D2") });
		AssertValue ("D1", arr [0]);
		AssertValue ("D2", arr [1]);

		// int
		val = frame.GetArgument (1);
		Assert.IsTrue (val is ArrayMirror);
		arr = val as ArrayMirror;
		Assert.AreEqual (2, arr.Length);
		AssertValue (42, arr [0]);
		AssertValue (43, arr [1]);

		// Argument checking
		AssertThrows<IndexOutOfRangeException> (delegate () {
				val = arr [2];
			});

		AssertThrows<IndexOutOfRangeException> (delegate () {
				val = arr [Int32.MinValue];
			});

		AssertThrows<IndexOutOfRangeException> (delegate () {
				vals = arr.GetValues (0, 3);
			});

		AssertThrows<IndexOutOfRangeException> (delegate () {
				arr [2] = vm.CreateValue (null);
			});

		AssertThrows<IndexOutOfRangeException> (delegate () {
				arr [Int32.MinValue] = vm.CreateValue (null);
			});

		AssertThrows<IndexOutOfRangeException> (delegate () {
				arr.SetValues (0, new Value [] { null, null, null });
			});

		// Multidim arrays
		val = frame.GetArgument (2);
		Assert.IsTrue (val is ArrayMirror);
		arr = val as ArrayMirror;
		Assert.AreEqual (2, arr.Rank);
		Assert.AreEqual (4, arr.Length);
		Assert.AreEqual (2, arr.GetLength (0));
		Assert.AreEqual (2, arr.GetLength (1));
		Assert.AreEqual (0, arr.GetLowerBound (0));
		Assert.AreEqual (0, arr.GetLowerBound (1));
		vals = arr.GetValues (0, 4);
		AssertValue (1, vals [0]);
		AssertValue (2, vals [1]);
		AssertValue (3, vals [2]);
		AssertValue (4, vals [3]);

		val = frame.GetArgument (3);
		Assert.IsTrue (val is ArrayMirror);
		arr = val as ArrayMirror;
		Assert.AreEqual (2, arr.Rank);
		Assert.AreEqual (4, arr.Length);
		Assert.AreEqual (2, arr.GetLength (0));
		Assert.AreEqual (2, arr.GetLength (1));
		Assert.AreEqual (1, arr.GetLowerBound (0));
		Assert.AreEqual (3, arr.GetLowerBound (1));

		AssertThrows<ArgumentOutOfRangeException> (delegate () {
				arr.GetLength (-1);
			});
		AssertThrows<ArgumentOutOfRangeException> (delegate () {
				arr.GetLength (2);
			});

		AssertThrows<ArgumentOutOfRangeException> (delegate () {
				arr.GetLowerBound (-1);
			});
		AssertThrows<ArgumentOutOfRangeException> (delegate () {
				arr.GetLowerBound (2);
			});

		// arrays treated as generic collections
		val = frame.GetArgument (4);
		Assert.IsTrue (val is ArrayMirror);
		arr = val as ArrayMirror;
	}

	[Test]
	public void Object_GetValue () {
		var e = run_until ("o1");
		var frame = e.Thread.GetFrames () [0];

		object val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);
		ObjectMirror o = (val as ObjectMirror);

		TypeMirror t = o.Type;

		// object fields
		object f = o.GetValue (t.GetField ("field_i"));
		AssertValue (42, f);
		f = o.GetValue (t.GetField ("field_s"));
		AssertValue ("S", f);
		f = o.GetValue (t.GetField ("field_enum"));
		Assert.IsTrue (f is EnumMirror);
		Assert.AreEqual (1, (f as EnumMirror).Value);
		Assert.AreEqual ("B", (f as EnumMirror).StringValue);

		// Inherited object fields
		TypeMirror parent = t.BaseType;
		f = o.GetValue (parent.GetField ("base_field_i"));
		AssertValue (43, f);
		f = o.GetValue (parent.GetField ("base_field_s"));
		AssertValue ("T", f);

		// Static fields
		f = o.GetValue (o.Type.GetField ("static_i"));
		AssertValue (55, f);

		// generic instances
		ObjectMirror o2 = frame.GetValue (frame.Method.GetParameters ()[1]) as ObjectMirror;
		Assert.AreEqual ("GClass`1", o2.Type.Name);
		TypeMirror t2 = o2.Type;
		f = o2.GetValue (t2.GetField ("field"));
		AssertValue (42, f);

		ObjectMirror o3 = frame.GetValue (frame.Method.GetParameters ()[2]) as ObjectMirror;
		Assert.AreEqual ("GClass`1", o3.Type.Name);
		TypeMirror t3 = o3.Type;
		f = o3.GetValue (t3.GetField ("field"));
		AssertValue ("FOO", f);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
			o.GetValue (null);
			});
	}

	[Test]
	public void Object_GetValues () {
		var e = run_until ("o1");
		var frame = e.Thread.GetFrames () [0];

		object val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);
		ObjectMirror o = (val as ObjectMirror);

		ObjectMirror val2 = frame.GetValue (frame.Method.GetParameters ()[0]) as ObjectMirror;

		TypeMirror t = o.Type;

		object[] vals = o.GetValues (new FieldInfoMirror [] { t.GetField ("field_i"), t.GetField ("field_s") });
		object f = vals [0];
		AssertValue (42, f);
		f = vals [1];
		AssertValue ("S", f);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
			o.GetValues (null);
			});

		AssertThrows<ArgumentNullException> (delegate () {
			o.GetValues (new FieldInfoMirror [] { null });
			});

		// field of another class
		AssertThrows<ArgumentException> (delegate () {
				o.GetValue (val2.Type.GetField ("field_j"));
			});
	}

	void TestSetValue (ObjectMirror o, string field_name, object val) {
		if (val is string)
			o.SetValue (o.Type.GetField (field_name), vm.RootDomain.CreateString ((string)val));
		else
			o.SetValue (o.Type.GetField (field_name), vm.CreateValue (val));
		Value f = o.GetValue (o.Type.GetField (field_name));
		AssertValue (val, f);
	}

	[Test]
	public void Object_SetValues () {
		var e = run_until ("o1");
		var frame = e.Thread.GetFrames () [0];

		object val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);
		ObjectMirror o = (val as ObjectMirror);

		ObjectMirror val2 = frame.GetValue (frame.Method.GetParameters ()[0]) as ObjectMirror;

		TestSetValue (o, "field_i", 22);
		TestSetValue (o, "field_bool1", false);
		TestSetValue (o, "field_bool2", true);
		TestSetValue (o, "field_char", 'B');
		TestSetValue (o, "field_byte", (byte)129);
		TestSetValue (o, "field_sbyte", (sbyte)-33);
		TestSetValue (o, "field_short", (short)(Int16.MaxValue - 5));
		TestSetValue (o, "field_ushort", (ushort)(UInt16.MaxValue - 5));
		TestSetValue (o, "field_long", Int64.MaxValue - 5);
		TestSetValue (o, "field_ulong", (ulong)(UInt64.MaxValue - 5));
		TestSetValue (o, "field_float", 6.28f);
		TestSetValue (o, "field_double", 6.28);
		TestSetValue (o, "static_i", 23);
		TestSetValue (o, "field_s", "CDEF");

		Value f;

		// intptrs
		f = o.GetValue (o.Type.GetField ("field_intptr"));
		Assert.IsInstanceOfType (typeof (StructMirror), f);
		AssertValue (Int32.MaxValue - 5, (f as StructMirror).Fields [0]);

		// enums
		FieldInfoMirror field = o.Type.GetField ("field_enum");
		f = o.GetValue (field);
		(f as EnumMirror).Value = 5;
		o.SetValue (field, f);
		f = o.GetValue (field);
		Assert.AreEqual (5, (f as EnumMirror).Value);

		// null
		o.SetValue (o.Type.GetField ("field_s"), vm.CreateValue (null));
		f = o.GetValue (o.Type.GetField ("field_s"));
		AssertValue (null, f);

		// vtype instances
		field = o.Type.GetField ("generic_field_struct");
		f = o.GetValue (field);
		o.SetValue (field, f);

		// nullables
		field = o.Type.GetField ("field_nullable");
		f = o.GetValue (field);
		AssertValue (0, (f as StructMirror)["value"]);
		AssertValue (false, (f as StructMirror)["hasValue"]);
		o.SetValue (field, vm.CreateValue (6));
		f = o.GetValue (field);
		AssertValue (6, (f as StructMirror)["value"]);
		AssertValue (true, (f as StructMirror)["hasValue"]);
		o.SetValue (field, vm.CreateValue (null));
		f = o.GetValue (field);
		AssertValue (0, (f as StructMirror)["value"]);
		AssertValue (false, (f as StructMirror)["hasValue"]);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
				o.SetValues (null, new Value [0]);
			});

		AssertThrows<ArgumentNullException> (delegate () {
				o.SetValues (new FieldInfoMirror [0], null);
			});

		AssertThrows<ArgumentNullException> (delegate () {
				o.SetValues (new FieldInfoMirror [] { null }, new Value [1] { null });
			});

		// vtype with a wrong type
		AssertThrows<ArgumentException> (delegate () {
				o.SetValue (o.Type.GetField ("field_struct"), o.GetValue (o.Type.GetField ("field_enum")));
			});

		// reference type not assignment compatible
		AssertThrows<ArgumentException> (delegate () {
				o.SetValue (o.Type.GetField ("field_class"), o);
			});

		// field of another class
		AssertThrows<ArgumentException> (delegate () {
				o.SetValue (val2.Type.GetField ("field_j"), vm.CreateValue (1));
			});
	}

	[Test]
	public void Type_SetValue () {
		var e = run_until ("o1");
		var frame = e.Thread.GetFrames () [0];
		Value f;

		object val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);
		ObjectMirror o = (val as ObjectMirror);

		ObjectMirror val2 = frame.GetValue (frame.Method.GetParameters ()[0]) as ObjectMirror;

		o.Type.SetValue (o.Type.GetField ("static_i"), vm.CreateValue (55));
		f = o.Type.GetValue (o.Type.GetField ("static_i"));
		AssertValue (55, f);

		o.Type.SetValue (o.Type.GetField ("static_s"), vm.RootDomain.CreateString ("B"));
		f = o.Type.GetValue (o.Type.GetField ("static_s"));
		AssertValue ("B", f);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
				o.Type.SetValue (null, vm.CreateValue (0));
			});

		AssertThrows<ArgumentNullException> (delegate () {
				o.Type.SetValue (o.Type.GetField ("static_i"), null);
			});

		// field of another class
		AssertThrows<ArgumentException> (delegate () {
				o.SetValue (val2.Type.GetField ("field_j"), vm.CreateValue (1));
			});
	}

	[Test]
	public void TypeInfo () {
		Event e = run_until ("ti2");
		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t;

		// Array types
		t = frame.Method.GetParameters ()[0].ParameterType;

		Assert.AreEqual ("String[]", t.Name);
		Assert.AreEqual ("string[]", t.CSharpName);
		Assert.AreEqual ("Array", t.BaseType.Name);
		Assert.AreEqual (true, t.HasElementType);
		Assert.AreEqual (true, t.IsArray);
		Assert.AreEqual (1, t.GetArrayRank ());
		Assert.AreEqual ("String", t.GetElementType ().Name);

		t = frame.Method.GetParameters ()[2].ParameterType;

		Assert.AreEqual ("Int32[,]", t.Name);
		// FIXME:
		//Assert.AreEqual ("int[,]", t.CSharpName);
		Assert.AreEqual ("Array", t.BaseType.Name);
		Assert.AreEqual (true, t.HasElementType);
		Assert.AreEqual (true, t.IsArray);
		Assert.AreEqual (2, t.GetArrayRank ());
		Assert.AreEqual ("Int32", t.GetElementType ().Name);

		// Byref types
		t = frame.Method.GetParameters ()[3].ParameterType;
		// FIXME:
		//Assert.AreEqual ("Int32&", t.Name);
		//Assert.AreEqual (true, t.IsByRef);
		//Assert.AreEqual (true, t.HasElementType);

		// Pointer types
		t = frame.Method.GetParameters ()[4].ParameterType;
		// FIXME:
		//Assert.AreEqual ("Int32*", t.Name);
		Assert.AreEqual (true, t.IsPointer);
		Assert.AreEqual (true, t.HasElementType);
		Assert.AreEqual ("Int32", t.GetElementType ().Name);
		Assert.AreEqual (false, t.IsPrimitive);

		// primitive types 
		t = frame.Method.GetParameters ()[5].ParameterType;
		Assert.AreEqual (true, t.IsPrimitive);

		// value types
		t = frame.Method.GetParameters ()[6].ParameterType;
		Assert.AreEqual ("AStruct", t.Name);
		Assert.AreEqual (false, t.IsPrimitive);
		Assert.AreEqual (true, t.IsValueType);
		Assert.AreEqual (false, t.IsClass);

		// reference types
		t = frame.Method.GetParameters ()[7].ParameterType;
		Assert.AreEqual ("Tests", t.Name);
		var nested = (from nt in t.GetNestedTypes () where nt.IsNestedPublic select nt).ToArray ();
		Assert.AreEqual (1, nested.Length);
		Assert.AreEqual ("NestedClass", nested [0].Name);
		Assert.IsTrue (t.BaseType.IsAssignableFrom (t));
		Assert.IsTrue (!t.IsAssignableFrom (t.BaseType));

		// generic instances
		t = frame.Method.GetParameters ()[9].ParameterType;
		Assert.AreEqual ("GClass`1", t.Name);
		Assert.IsTrue (t.IsGenericType);
		Assert.IsFalse (t.IsGenericTypeDefinition);

		var args = t.GetGenericArguments ();
		Assert.AreEqual (1, args.Length);
		Assert.AreEqual ("Int32", args [0].Name);

		// generic type definitions
		var gtd = t.GetGenericTypeDefinition ();
		Assert.AreEqual ("GClass`1", gtd.Name);
		Assert.IsTrue (gtd.IsGenericType);
		Assert.IsTrue (gtd.IsGenericTypeDefinition);
		Assert.AreEqual (gtd, gtd.GetGenericTypeDefinition ());

		args = gtd.GetGenericArguments ();
		Assert.AreEqual (1, args.Length);
		Assert.AreEqual ("T", args [0].Name);

		// enums
		t = frame.Method.GetParameters ()[10].ParameterType;
		Assert.AreEqual ("AnEnum", t.Name);
		Assert.IsTrue (t.IsEnum);
		Assert.AreEqual ("Int32", t.EnumUnderlyingType.Name);

		// TypedReferences
		t = frame.Method.GetParameters ()[11].ParameterType;
		Assert.AreEqual ("TypedReference", t.Name);

		// properties
		t = frame.Method.GetParameters ()[7].ParameterType;

		var props = t.GetProperties ();
		Assert.AreEqual (3, props.Length);
		foreach (PropertyInfoMirror prop in props) {
			ParameterInfoMirror[] indexes = prop.GetIndexParameters ();

			if (prop.Name == "IntProperty") {
				Assert.AreEqual ("Int32", prop.PropertyType.Name);
				Assert.AreEqual ("get_IntProperty", prop.GetGetMethod ().Name);
				Assert.AreEqual ("set_IntProperty", prop.GetSetMethod ().Name);
				Assert.AreEqual (0, indexes.Length);
			} else if (prop.Name == "ReadOnlyProperty") {
				Assert.AreEqual ("Int32", prop.PropertyType.Name);
				Assert.AreEqual ("get_ReadOnlyProperty", prop.GetGetMethod ().Name);
				Assert.AreEqual (null, prop.GetSetMethod ());
				Assert.AreEqual (0, indexes.Length);
			} else if (prop.Name == "IndexedProperty") {
				Assert.AreEqual (1, indexes.Length);
				Assert.AreEqual ("Int32", indexes [0].ParameterType.Name);
			}
		}

		// custom attributes
		t = frame.Method.GetParameters ()[8].ParameterType;
		Assert.AreEqual ("Tests2", t.Name);
		var attrs = t.GetCustomAttributes (true);
		Assert.AreEqual (5, attrs.Length);
		foreach (var attr in attrs) {
			if (attr.Constructor.DeclaringType.Name == "DebuggerDisplayAttribute") {
				Assert.AreEqual (1, attr.ConstructorArguments.Count);
				Assert.AreEqual ("Tests", attr.ConstructorArguments [0].Value);
				Assert.AreEqual (2, attr.NamedArguments.Count);
				Assert.AreEqual ("Name", attr.NamedArguments [0].Property.Name);
				Assert.AreEqual ("FOO", attr.NamedArguments [0].TypedValue.Value);
				Assert.AreEqual ("Target", attr.NamedArguments [1].Property.Name);
				Assert.IsInstanceOfType (typeof (TypeMirror), attr.NamedArguments [1].TypedValue.Value);
				Assert.AreEqual ("Int32", (attr.NamedArguments [1].TypedValue.Value as TypeMirror).Name);
			} else if (attr.Constructor.DeclaringType.Name == "DebuggerTypeProxyAttribute") {
				Assert.AreEqual (1, attr.ConstructorArguments.Count);
				Assert.IsInstanceOfType (typeof (TypeMirror), attr.ConstructorArguments [0].Value);
				Assert.AreEqual ("Tests", (attr.ConstructorArguments [0].Value as TypeMirror).Name);
			} else if (attr.Constructor.DeclaringType.Name == "BAttribute") {
				Assert.AreEqual (2, attr.NamedArguments.Count);
				Assert.AreEqual ("afield", attr.NamedArguments [0].Field.Name);
				Assert.AreEqual ("bfield", attr.NamedArguments [1].Field.Name);
			} else if (attr.Constructor.DeclaringType.Name == "ClassInterfaceAttribute") {
				// inherited from System.Object
				//} else if (attr.Constructor.DeclaringType.Name == "Serializable") {
				// inherited from System.Object
			} else if (attr.Constructor.DeclaringType.Name == "ComVisibleAttribute") {
				// inherited from System.Object
			} else {
				Assert.Fail (attr.Constructor.DeclaringType.Name);
			}
		}

		var assembly = entry_point.DeclaringType.Assembly;
		var type = assembly.GetType ("Tests4");
		Assert.IsFalse (type.IsInitialized);
	}

	[Test]
	public void FieldInfo () {
		Event e = run_until ("ti2");
		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t;

		t = frame.Method.GetParameters ()[8].ParameterType;
		Assert.AreEqual ("Tests2", t.Name);

		var fi = t.GetField ("field_j");
		var attrs = fi.GetCustomAttributes (true);
		Assert.AreEqual (1, attrs.Length);
		var attr = attrs [0];
		Assert.AreEqual ("DebuggerBrowsableAttribute", attr.Constructor.DeclaringType.Name);
		Assert.AreEqual (1, attr.ConstructorArguments.Count);
		Assert.IsInstanceOfType (typeof (EnumMirror), attr.ConstructorArguments [0].Value);
		Assert.AreEqual ((int)System.Diagnostics.DebuggerBrowsableState.Collapsed, (attr.ConstructorArguments [0].Value as EnumMirror).Value);
	}

	[Test]
	public void PropertyInfo () {
		Event e = run_until ("ti2");
		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t;

		t = frame.Method.GetParameters ()[8].ParameterType;
		Assert.AreEqual ("Tests2", t.Name);

		var pi = t.GetProperty ("AProperty");
		var attrs = pi.GetCustomAttributes (true);
		Assert.AreEqual (1, attrs.Length);
		var attr = attrs [0];
		Assert.AreEqual ("DebuggerBrowsableAttribute", attr.Constructor.DeclaringType.Name);
		Assert.AreEqual (1, attr.ConstructorArguments.Count);
		Assert.IsInstanceOfType (typeof (EnumMirror), attr.ConstructorArguments [0].Value);
		Assert.AreEqual ((int)System.Diagnostics.DebuggerBrowsableState.Collapsed, (attr.ConstructorArguments [0].Value as EnumMirror).Value);
	}

	[Test]
	[Category ("only5")]
	public void Type_GetValue () {
		Event e = run_until ("o1");
		StackFrame frame = e.Thread.GetFrames () [0];

		ObjectMirror o = (frame.GetThis () as ObjectMirror);

		TypeMirror t = o.Type;

		ObjectMirror val2 = frame.GetValue (frame.Method.GetParameters ()[0]) as ObjectMirror;

		// static fields
		object f = t.GetValue (o.Type.GetField ("static_i"));
		AssertValue (55, f);

		f = t.GetValue (o.Type.GetField ("static_s"));
		AssertValue ("A", f);

		// literal static fields
		f = t.GetValue (o.Type.GetField ("literal_i"));
		AssertValue (56, f);

		f = t.GetValue (o.Type.GetField ("literal_s"));
		AssertValue ("B", f);

		// Inherited static fields
		TypeMirror parent = t.BaseType;
		f = t.GetValue (parent.GetField ("base_static_i"));
		AssertValue (57, f);

		f = t.GetValue (parent.GetField ("base_static_s"));
		AssertValue ("C", f);

		// thread static field
		f = t.GetValue (t.GetField ("tls_i"), e.Thread);
		AssertValue (42, f);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
			t.GetValue (null);
			});

		// instance fields
		AssertThrows<ArgumentException> (delegate () {
			t.GetValue (o.Type.GetField ("field_i"));
			});

		// field on another type
		AssertThrows<ArgumentException> (delegate () {
				t.GetValue (val2.Type.GetField ("static_field_j"));
			});

		// special static field
		AssertThrows<ArgumentException> (delegate () {
				t.GetValue (t.GetField ("tls_i"));
			});
	}

	[Test]
	public void Type_GetValues () {
		Event e = run_until ("o1");
		StackFrame frame = e.Thread.GetFrames () [0];

		ObjectMirror o = (frame.GetThis () as ObjectMirror);

		TypeMirror t = o.Type;

		// static fields
		object[] vals = t.GetValues (new FieldInfoMirror [] { t.GetField ("static_i"), t.GetField ("static_s") });
		object f = vals [0];
		AssertValue (55, f);

		f = vals [1];
		AssertValue ("A", f);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
			t.GetValues (null);
			});

		AssertThrows<ArgumentNullException> (delegate () {
			t.GetValues (new FieldInfoMirror [] { null });
			});
	}

	[Test]
	public void ObjRefs () {
		Event e = run_until ("objrefs1");
		StackFrame frame = e.Thread.GetFrames () [0];

		ObjectMirror o = frame.GetThis () as ObjectMirror;
		ObjectMirror child = o.GetValue (o.Type.GetField ("child")) as ObjectMirror;

		Assert.IsTrue (child.Address != 0);

		// Check that object references are internalized correctly
		Assert.AreEqual (o, frame.GetThis ());

		run_until ("objrefs2");

		// child should be gc'd now
		// This is not deterministic
		//Assert.IsTrue (child.IsCollected);

		/*
		 * No longer works since Type is read eagerly
		 */
		/*
		AssertThrows<ObjectCollectedException> (delegate () {
			TypeMirror t = child.Type;
			});
		*/
		/*
		AssertThrows<ObjectCollectedException> (delegate () {
				long addr = child.Address;
			});
		*/
	}

	[Test]
	public void Type_GetObject () {
		Event e = run_until ("o1");
		StackFrame frame = e.Thread.GetFrames () [0];

		ObjectMirror o = (frame.GetThis () as ObjectMirror);

		TypeMirror t = o.Type;

		Assert.AreEqual ("RuntimeType", t.GetTypeObject ().Type.Name);
	}

	[Test]
	public void VTypes () {
		Event e = run_until ("vtypes1");
		StackFrame frame = e.Thread.GetFrames () [0];

		// vtypes as fields
		ObjectMirror o = frame.GetThis () as ObjectMirror;
		var obj = o.GetValue (o.Type.GetField ("field_struct"));
		Assert.IsTrue (obj is StructMirror);
		var s = obj as StructMirror;
		Assert.AreEqual ("AStruct", s.Type.Name);
		AssertValue (42, s ["i"]);
		obj = s ["s"];
		AssertValue ("S", obj);
		AssertValue (43, s ["k"]);
		obj = o.GetValue (o.Type.GetField ("field_boxed_struct"));
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		Assert.AreEqual ("AStruct", s.Type.Name);
		AssertValue (42, s ["i"]);

		// Check decoding of nested structs (#14942)
		obj = o.GetValue (o.Type.GetField ("nested_struct"));
		o.SetValue (o.Type.GetField ("nested_struct"), obj);

		// Check round tripping of boxed struct fields (#12354)
		obj = o.GetValue (o.Type.GetField ("boxed_struct_field"));
		o.SetValue (o.Type.GetField ("boxed_struct_field"), obj);
		obj = o.GetValue (o.Type.GetField ("boxed_struct_field"));
		s = obj as StructMirror;
		AssertValue (1, s ["key"]);
		obj = s ["value"];
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		AssertValue (42, s ["m_value"]);

		// vtypes as arguments
		s = frame.GetArgument (0) as StructMirror;
		AssertValue (44, s ["i"]);
		obj = s ["s"];
		AssertValue ("T", obj);
		AssertValue (45, s ["k"]);

		// vtypes as array entries
		var arr = frame.GetArgument (1) as ArrayMirror;
		obj = arr [0];
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		AssertValue (1, s ["i"]);
		AssertValue ("S1", s ["s"]);
		obj = arr [1];
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		AssertValue (2, s ["i"]);
		AssertValue ("S2", s ["s"]);

		// typedbyref
		var typedref = frame.GetArgument (2) as StructMirror;
		Assert.IsTrue (typedref is StructMirror);

		// Argument checking
		s = frame.GetArgument (0) as StructMirror;
		AssertThrows<ArgumentException> (delegate () {
				obj = s ["FOO"];
			});

		// generic vtype instances
		o = frame.GetThis () as ObjectMirror;
		obj = o.GetValue (o.Type.GetField ("generic_field_struct"));
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		Assert.AreEqual ("GStruct`1", s.Type.Name);
		AssertValue (42, s ["i"]);

		// this on vtype methods
		e = run_until ("vtypes2");
		e = step_until (e.Thread, "foo");

		frame = e.Thread.GetFrames () [0];

		Assert.AreEqual ("foo", (e as StepEvent).Method.Name);
		obj = frame.GetThis ();

		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		AssertValue (44, s ["i"]);
		AssertValue ("T", s ["s"]);
		AssertValue (45, s ["k"]);

		// Test SetThis ()
		s ["i"] = vm.CreateValue (55);
		frame.SetThis (s);
		obj = frame.GetThis ();
		Assert.IsTrue (obj is StructMirror);
		s = obj as StructMirror;
		AssertValue (55, s ["i"]);
		AssertValue ("T", s ["s"]);
		AssertValue (45, s ["k"]);

		// this on static vtype methods
		e = run_until ("vtypes3");
		e = step_until (e.Thread, "static_foo");

		frame = e.Thread.GetFrames () [0];

		Assert.AreEqual ("static_foo", (e as StepEvent).Method.Name);
		obj = frame.GetThis ();
		AssertValue (null, obj);

		// vtypes which reference themselves recursively
		e = run_until ("vtypes4_2");
		frame = e.Thread.GetFrames () [0];

		Assert.IsTrue (frame.GetArgument (0) is StructMirror);
	}

	[Test]
	public void AssemblyInfo () {
		Event e = run_until ("single_stepping");

		StackFrame frame = e.Thread.GetFrames () [0];

		var aname = frame.Method.DeclaringType.Assembly.GetName ();
		Assert.AreEqual ("dtest-app, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", aname.ToString ());

		ModuleMirror m = frame.Method.DeclaringType.Module;

		Assert.AreEqual ("dtest-app.exe", m.Name);
		Assert.AreEqual ("dtest-app.exe", m.ScopeName);
		Assert.IsTrue (m.FullyQualifiedName.IndexOf ("dtest-app.exe") != -1);
		Guid guid = m.ModuleVersionId;
		Assert.AreEqual (frame.Method.DeclaringType.Assembly, m.Assembly);
		Assert.AreEqual (frame.Method.DeclaringType.Assembly.ManifestModule, m);

		Assert.AreEqual ("{}\n", m.SourceLink.Replace ("\r\n", "\n"));

		// This is no longer true on 4.0
		//Assert.AreEqual ("Assembly", frame.Method.DeclaringType.Assembly.GetAssemblyObject ().Type.Name);

		TypeMirror t = vm.RootDomain.Corlib.GetType ("System.Diagnostics.DebuggerDisplayAttribute");
		Assert.AreEqual ("DebuggerDisplayAttribute", t.Name);
	}

	[Test]
	public void LocalsInfo () {
		Event e = run_until ("locals2");

		StackFrame frame = e.Thread.GetFrames () [0];

		var locals = frame.Method.GetLocals ();
		Assert.AreEqual (9, locals.Length);
		for (int i = 0; i < 9; ++i) {
			if (locals [i].Name == "args") {
				Assert.IsTrue (locals [i].IsArg);
				Assert.AreEqual ("String[]", locals [i].Type.Name);
			} else if (locals [i].Name == "arg") {
				Assert.IsTrue (locals [i].IsArg);
				Assert.AreEqual ("Int32", locals [i].Type.Name);
			} else if (locals [i].Name == "i") {
				Assert.IsFalse (locals [i].IsArg);
				Assert.AreEqual ("Int64", locals [i].Type.Name);
			} else if (locals [i].Name == "j") {
				Assert.IsFalse (locals [i].IsArg);
				Assert.AreEqual ("Int32", locals [i].Type.Name);
			} else if (locals [i].Name == "s") {
				Assert.IsFalse (locals [i].IsArg);
				Assert.AreEqual ("String", locals [i].Type.Name);
			} else if (locals [i].Name == "t") {
				// gshared
				Assert.IsTrue (locals [i].IsArg);
				Assert.AreEqual ("String", locals [i].Type.Name);
			} else if (locals [i].Name == "rs") {
				Assert.IsTrue (locals [i].IsArg);
				Assert.AreEqual ("String", locals [i].Type.Name);
			} else if (locals [i].Name == "astruct") {
			} else if (locals [i].Name == "alist") {
			} else {
				Assert.Fail ();
			}
		}

		var scopes = frame.Method.GetScopes ();
		Assert.AreEqual (2, scopes.Length);
	}

	Event step_once () {
		vm.Resume ();
		var e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);
		return e;
	}

	Event step_into () {
		step_req.Disable ();
		step_req.Depth = StepDepth.Into;
		step_req.Enable ();
		return step_once ();
	}

	Event step_over () {
		step_req.Disable ();
		step_req.Depth = StepDepth.Over;
		step_req.Enable ();
		return step_once ();
	}

	Event step_out () {
		step_req.Disable ();
		step_req.Depth = StepDepth.Out;
		step_req.Enable ();
		return step_once ();
	}

	Event step_once_or_breakpoint () {
		vm.Resume ();
		var e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent || e is BreakpointEvent);
		return e;
	}

	Event step_over_or_breakpoint () {
		step_req.Disable ();
		step_req.Depth = StepDepth.Over;
		step_req.Enable ();
		return step_once_or_breakpoint ();
	}

	Event step_out_or_breakpoint () {
		step_req.Disable ();
		step_req.Depth = StepDepth.Out;
		step_req.Enable ();
		return step_once_or_breakpoint ();
	}

	[Test]
	public void Locals () {
		var be = run_until ("locals1");

		StackFrame frame = be.Thread.GetFrames () [0];
		MethodMirror m1 = frame.Method;

		// Compiler generated byref local
		foreach (var l in m1.GetLocals ()) {
			// The byval flag is hidden from the type
			if (l.Name != "ri" && l.Type.Name == "Double")
				AssertValue (null, frame.GetValue (l));
		}

		be = run_until ("locals2");

		frame = be.Thread.GetFrames () [0];

		object val = frame.GetValue (frame.Method.GetLocal ("i"));
		AssertValue (0, val);

		var req = create_step (be);
		req.Enable ();

		// Skip nop
		step_once ();

		// Execute i = 42
		var e = step_once ();
		Assert.AreEqual ("locals2", (e as StepEvent).Method.Name);

		// Execute s = "AB";
		e = step_once ();
		Assert.AreEqual ("locals2", (e as StepEvent).Method.Name);

		frame = e.Thread.GetFrames () [0];

		val = frame.GetValue (frame.Method.GetLocal ("i"));
		AssertValue (42, val);

		LocalVariable[] locals = frame.Method.GetLocals ();
		var vals = frame.GetValues (locals);
		Assert.AreEqual (locals.Length, vals.Length);
		for (int i = 0; i < locals.Length; ++i) {
			if (locals [i].Name == "i")
				AssertValue (42, vals [i]);
			if (locals [i].Name == "s")
				AssertValue ("AB", vals [i]);
			if (locals [i].Name == "t")
				AssertValue ("ABC", vals [i]);
			if (locals [i].Name == "alist") {
			}
		}

		// Argument checking

		// GetValue () null
		AssertThrows<ArgumentNullException> (delegate () {
				frame.GetValue ((LocalVariable)null);
			});
		// GetValue () local from another method
		AssertThrows<ArgumentException> (delegate () {
				frame.GetValue (m1.GetLocal ("foo"));
			});

		// GetValue () null
		AssertThrows<ArgumentNullException> (delegate () {
				frame.GetValue ((ParameterInfoMirror)null);
			});
		// GetValue () local from another method
		AssertThrows<ArgumentException> (delegate () {
				frame.GetValue (m1.GetParameters ()[0]);
			});

		// GetValues () null
		AssertThrows<ArgumentNullException> (delegate () {
				frame.GetValues (null);
			});
		// GetValues () embedded null
		AssertThrows<ArgumentNullException> (delegate () {
				frame.GetValues (new LocalVariable [] { null });
			});
		// GetValues () local from another method
		AssertThrows<ArgumentException> (delegate () {
				frame.GetValues (new LocalVariable [] { m1.GetLocal ("foo") });
			});
		// return value
		AssertThrows<ArgumentException> (delegate () {
				val = frame.GetValue (frame.Method.ReturnParameter);
			});

		// invalid stack frames
		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);
		Assert.AreEqual ("locals2", (e as StepEvent).Method.Name);

		AssertThrows<InvalidStackFrameException> (delegate () {
				frame.GetValue (frame.Method.GetLocal ("i"));
			});

		req.Disable ();

		// gsharedvt
		be = run_until ("locals7");

		req = create_step (be);
		req.Enable ();

		// Skip nop
		e = step_once ();

		// Test that locals are initialized
		frame = e.Thread.GetFrames () [0];
		val = frame.GetValue (frame.Method.GetLocal ("t"));
		AssertValue (0, val);

		// Execute t = arg
		e = step_once ();
		Assert.AreEqual ("locals7", (e as StepEvent).Method.Name);

		// Execute t2 = t
		e = step_once ();
		Assert.AreEqual ("locals7", (e as StepEvent).Method.Name);

		frame = e.Thread.GetFrames () [0];
		val = frame.GetValue (frame.Method.GetParameters ()[0]);
		AssertValue (22, val);
		val = frame.GetValue (frame.Method.GetLocal ("t"));
		AssertValue (22, val);
		val = frame.GetValue (frame.Method.GetLocal ("t2"));
		AssertValue (22, val);
	}

	[Test]
	public void GetVisibleVariables () {
		Event e = run_until ("locals4");

		// First scope
		var locals = e.Thread.GetFrames ()[1].GetVisibleVariables ();
		Assert.AreEqual (2, locals.Count);
		var loc = locals.First (l => l.Name == "i");
		Assert.AreEqual ("Int64", loc.Type.Name);
		loc = locals.First (l => l.Name == "s");
		Assert.AreEqual ("String", loc.Type.Name);

		loc = e.Thread.GetFrames ()[1].GetVisibleVariableByName ("i");
		Assert.AreEqual ("i", loc.Name);
		Assert.AreEqual ("Int64", loc.Type.Name);

		e = run_until ("locals5");

		// Second scope
		locals = e.Thread.GetFrames ()[1].GetVisibleVariables ();
		Assert.AreEqual (2, locals.Count);
		loc = locals.First (l => l.Name == "i");
		Assert.AreEqual ("String", loc.Type.Name);
		loc = locals.First (l => l.Name == "s");
		Assert.AreEqual ("String", loc.Type.Name);

		loc = e.Thread.GetFrames ()[1].GetVisibleVariableByName ("i");
		Assert.AreEqual ("i", loc.Name);
		Assert.AreEqual ("String", loc.Type.Name);

		// Variable in another scope
		loc = e.Thread.GetFrames ()[1].GetVisibleVariableByName ("j");
		Assert.IsNull (loc);
	}

	[Test]
	public void Exit () {
		run_until ("Main");

		vm.Exit (5);

		var e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (VMDeathEvent), e);

		Assert.AreEqual (5, (e as VMDeathEvent).ExitCode);

		System.Diagnostics.Process p = null;

		try {
			p = vm.Process;
		}
		catch (Exception) {}

		/* Could be a remote vm with no process */
		if (p != null) {
			p.WaitForExit ();
			Assert.AreEqual (5, p.ExitCode);

			// error handling
			AssertThrows<VMDisconnectedException> (delegate () {
					vm.Resume ();
				});
		}

		vm = null;
	}

	[Test]
	[Category("NotOnWindows")]
	public void Crash () {
		string [] existingCrashFileEntries = Directory.GetFiles (".", "mono_crash*.json");

		bool success = false;
		for (int i = 0 ; i < 10; i++) {
			try {
				vm.Detach ();
				Start (new string [] { dtest_app_path, "crash-vm" });
				Event e = run_until ("crash");
				while (!success) {
					vm.Resume ();
					e = GetNextEvent ();
					var crash = e as CrashEvent;
					if (crash == null)
						continue;

					success = true;
					Assert.AreNotEqual (0, crash.Dump.Length);

					break;
				}
			} catch (VMDisconnectedException vmDisconnect) { //expected behavior because of unreliability of the crash reporter.
					success = false;
			} finally {
				try {
					vm.Detach ();
				} catch (VMDisconnectedException vmDisconnect) { //expected behavior because of unreliability of the crash reporter.
					success = false;
				} finally {
					vm = null;
				}
			}
			if (success) 
				break;
			//try again because of unreliability of the crash reporter.
			TearDown();
			SetUp();
		}

		// delete crash files created by this test
		string [] crashFileEntries = Directory.GetFiles (".", "mono_crash*.json");
		foreach (string f in crashFileEntries) {
			if (!existingCrashFileEntries.Contains (f))
				File.Delete(f);
		}

		if (!success)
			Assert.Fail ("Didn't get crash event");
	}

	[Test]
	public void Dispose () {
		run_until ("Main");

		vm.Detach ();

		var e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (VMDisconnectEvent), e);

		System.Diagnostics.Process p = null;

		try {
			p = vm.Process;
		}
		catch (Exception) {}

		/* Could be a remote vm with no process */
		if (p != null) {
			p.WaitForExit ();
			Assert.AreEqual (3, p.ExitCode);

			// error handling
			AssertThrows<VMDisconnectedException> (delegate () {
					vm.Resume ();
				});
		}

		vm = null;
	}

	[Test]
	public void ColumnNumbers () {
		Event e = run_until ("line_numbers");

		// FIXME: Merge this with LineNumbers () when its fixed

		step_req = create_step (e);
		step_req.Depth = StepDepth.Into;
		step_req.Enable ();

		Location l;
		
		while (true) {
			vm.Resume ();

			e = GetNextEvent ();
			Assert.IsTrue (e is StepEvent);
			if (e.Thread.GetFrames ()[0].Method.Name == "ln1")
				break;
		}

		// Do an additional step over so we are not on the beginning line of the method
		step_req.Disable ();
		step_req.Depth = StepDepth.Over;
		step_req.Enable ();
		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);		

		l = e.Thread.GetFrames ()[0].Location;

		Assert.AreEqual (3, l.ColumnNumber);

		step_req.Disable ();
	}

	[Test]
	public void LineNumbers () {
		Event e = run_until ("line_numbers");

		create_step (e);
		e = step_into ();

		Location l;

		e = step_once ();

		l = e.Thread.GetFrames ()[0].Location;

		Assert.AreEqual ("dtest-app.cs", Path.GetFileName (l.SourceFile));
		Assert.AreEqual ("ln1", l.Method.Name);
		
		int line_base = l.LineNumber;

		e = step_once ();
		e = step_once ();
		l = e.Thread.GetFrames ()[0].Location;
		Assert.AreEqual ("ln2", l.Method.Name);
		Assert.AreEqual (line_base + 7, l.LineNumber);

		e = step_once ();
		e = step_once ();
		l = e.Thread.GetFrames ()[0].Location;
		Assert.AreEqual ("ln1", l.Method.Name);
		Assert.AreEqual (line_base + 2, l.LineNumber);

		e = step_once ();
		e = step_once ();
		l = e.Thread.GetFrames ()[0].Location;
		Assert.AreEqual ("ln3", l.Method.Name);
		Assert.AreEqual (line_base + 11, l.LineNumber);

		e = step_once ();
		e = step_once ();
		l = e.Thread.GetFrames ()[0].Location;
		Assert.AreEqual ("ln3", l.Method.Name);
		Assert.IsTrue (l.SourceFile.EndsWith ("FOO"));
		Assert.AreEqual (55, l.LineNumber);

		e = step_once ();
		l = e.Thread.GetFrames ()[0].Location;
		Assert.AreEqual ("ln1", l.Method.Name);
		Assert.AreEqual (line_base + 3, l.LineNumber);

		// GetSourceFiles ()
		string[] sources = l.Method.DeclaringType.GetSourceFiles ();
		Assert.AreEqual (2, sources.Length);
		Assert.AreEqual ("dtest-app.cs", sources [0]);
		Assert.AreEqual ("FOO", sources [1]);

		sources = l.Method.DeclaringType.GetSourceFiles (true);
		Assert.AreEqual (2, sources.Length);
		Assert.IsTrue (sources [0].EndsWith ("dtest-app.cs"));
		Assert.IsTrue (sources [1].EndsWith ("FOO"));
	}

	[Test]
	public void Suspend () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "suspend-test" });

		Event e = run_until ("suspend");

		ThreadMirror main = e.Thread;

		vm.Resume ();

		Thread.Sleep (100);

		vm.Suspend ();

		// The debuggee should be suspended while it is running the infinite loop
		// in suspend ()
		StackFrame frame = main.GetFrames ()[0];
		Assert.AreEqual ("suspend", frame.Method.Name);

		vm.Resume ();

		// resuming when not suspended
		AssertThrows<InvalidOperationException> (delegate () {
				vm.Resume ();
			});

		vm.Exit (0);

		vm = null;
	}

	[Test]
	public void AssemblyLoad () {
		Event e = run_until ("assembly_load");

		var load_req = vm.CreateAssemblyLoadRequest ();
		load_req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (AssemblyLoadEvent), e);
		Assert.IsTrue ((e as AssemblyLoadEvent).Assembly.Location.EndsWith ("System.dll"));

		var frames = e.Thread.GetFrames ();
		Assert.IsTrue (frames.Length > 0);
		Assert.AreEqual ("assembly_load", frames [0].Method.Name);
	}

	[Test]
	public void CreateValue () {
		PrimitiveValue v;

		v = vm.CreateValue (1);
		Assert.AreEqual (vm, v.VirtualMachine);
		Assert.AreEqual (1, v.Value);

		v = vm.CreateValue (null);
		Assert.AreEqual (vm, v.VirtualMachine);
		Assert.AreEqual (null, v.Value);

		// Argument checking
		AssertThrows <ArgumentException> (delegate () {
				v = vm.CreateValue ("FOO");
			});
	}

	[Test]
	public void CreateString () {
		StringMirror s = vm.RootDomain.CreateString ("ABC");

		Assert.AreEqual (vm, s.VirtualMachine);
		Assert.AreEqual ("ABC", s.Value);
		Assert.AreEqual (vm.RootDomain, s.Domain);

		// Long strings
		StringBuilder sb = new StringBuilder ();
		for (int i = 0; i < 1024; ++i)
			sb.Append ('A');
		s = vm.RootDomain.CreateString (sb.ToString ());

		// Argument checking
		AssertThrows <ArgumentNullException> (delegate () {
				s = vm.RootDomain.CreateString (null);
			});
	}

	[Test]
	public void CreateBoxedValue () {
		ObjectMirror o = vm.RootDomain.CreateBoxedValue (new PrimitiveValue (vm, 42));

		Assert.AreEqual ("Int32", o.Type.Name);
		//AssertValue (42, m.GetValue (o.Type.GetField ("m_value")));

		// Argument checking
		AssertThrows <ArgumentNullException> (delegate () {
				vm.RootDomain.CreateBoxedValue (null);
			});

		AssertThrows <ArgumentException> (delegate () {
				vm.RootDomain.CreateBoxedValue (o);
			});
	}

	[Test]
	public void Invoke () {
		Event e = run_until ("invoke1");

		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t = frame.Method.DeclaringType;
		ObjectMirror this_obj = (ObjectMirror)frame.GetThis ();

		TypeMirror t2 = frame.Method.GetParameters ()[0].ParameterType;

		MethodMirror m;
		Value v;

		// return void
		m = t.GetMethod ("invoke_return_void");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		Assert.IsNull (v);

		// return ref
		m = t.GetMethod ("invoke_return_ref");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		AssertValue ("ABC", v);

		// return null
		m = t.GetMethod ("invoke_return_null");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		AssertValue (null, v);

		// return primitive
		m = t.GetMethod ("invoke_return_primitive");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		AssertValue (42, v);

		// return nullable
		m = t.GetMethod ("invoke_return_nullable");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		Assert.IsInstanceOfType (typeof (StructMirror), v);
		var s = v as StructMirror;
		AssertValue (42, s["value"]);
		AssertValue (true, s["hasValue"]);

		// pass nullable as this
		//m = vm.RootDomain.Corlib.GetType ("System.Object").GetMethod ("ToString");
		m = s.Type.GetMethod ("ToString");
		v = s.InvokeMethod (e.Thread, m, null);

		// pass nullable as argument
		m = t.GetMethod ("invoke_pass_nullable");
		v = this_obj.InvokeMethod (e.Thread, m, new Value [] { s });
		AssertValue (42, v);

		// return nullable null
		m = t.GetMethod ("invoke_return_nullable_null");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		Assert.IsInstanceOfType (typeof (StructMirror), v);
		s = v as StructMirror;
		AssertValue (0, s["value"]);
		AssertValue (false, s["hasValue"]);

		// pass nullable as this
		//m = vm.RootDomain.Corlib.GetType ("System.Object").GetMethod ("ToString");
		m = s.Type.GetMethod ("ToString");
		v = s.InvokeMethod (e.Thread, m, null);

		// pass nullable null as argument
		m = t.GetMethod ("invoke_pass_nullable_null");
		v = this_obj.InvokeMethod (e.Thread, m, new Value [] { s });
		AssertValue (2, v);

		// pass primitive
		m = t.GetMethod ("invoke_pass_primitive");
		Value[] args = new Value [] {
			vm.CreateValue ((byte)Byte.MaxValue),
			vm.CreateValue ((sbyte)SByte.MaxValue),
			vm.CreateValue ((short)1),
			vm.CreateValue ((ushort)1),
			vm.CreateValue ((int)1),
			vm.CreateValue ((uint)1),
			vm.CreateValue ((long)1),
			vm.CreateValue ((ulong)1),
			vm.CreateValue ('A'),
			vm.CreateValue (true),
			vm.CreateValue (3.14f),
			vm.CreateValue (3.14) };

		v = this_obj.InvokeMethod (e.Thread, m, args);
		AssertValue ((int)Byte.MaxValue + (int)SByte.MaxValue + 1 + 1 + 1 + 1 + 1 + 1 + 'A' + 1 + 3 + 3, v);

		// pass ref
		m = t.GetMethod ("invoke_pass_ref");
		v = this_obj.InvokeMethod (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
		AssertValue ("ABC", v);

		// pass null
		m = t.GetMethod ("invoke_pass_ref");
		v = this_obj.InvokeMethod (e.Thread, m, new Value [] { vm.CreateValue (null) });
		AssertValue (null, v);

		// static
		m = t.GetMethod ("invoke_static_pass_ref");
		v = t.InvokeMethod (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
		AssertValue ("ABC", v);

		// static invoked using ObjectMirror.InvokeMethod
		m = t.GetMethod ("invoke_static_pass_ref");
		v = this_obj.InvokeMethod (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
		AssertValue ("ABC", v);

		// method which throws an exception
		try {
			m = t.GetMethod ("invoke_throws");
			v = this_obj.InvokeMethod (e.Thread, m, null);
			Assert.Fail ();
		} catch (InvocationException ex) {
			Assert.AreEqual ("Exception", ex.Exception.Type.Name);
		}

		// out argument
		m = t.GetMethod ("invoke_out");
		var out_task = this_obj.InvokeMethodAsyncWithResult (e.Thread, m, new Value [] { vm.CreateValue (1), vm.CreateValue (null) }, InvokeOptions.ReturnOutArgs);
		var out_args = out_task.Result.OutArgs;
		AssertValue (5, out_args [0]);
		Assert.IsTrue (out_args [1] is ArrayMirror);
		Assert.AreEqual (10, (out_args [1] as ArrayMirror).Length);

		// without ReturnOutArgs flag
		out_task = this_obj.InvokeMethodAsyncWithResult (e.Thread, m, new Value [] { vm.CreateValue (1), vm.CreateValue (null) });
		out_args = out_task.Result.OutArgs;
		Assert.IsNull (out_args);

		// newobj
		m = t.GetMethod (".ctor");
		v = t.InvokeMethod (e.Thread, m, null);
		Assert.IsInstanceOfType (typeof (ObjectMirror), v);
		Assert.AreEqual ("Tests", (v as ObjectMirror).Type.Name);

		// interface method
		var cl1 = frame.Method.DeclaringType.Assembly.GetType ("ITest2");
		m = cl1.GetMethod ("invoke_iface");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		AssertValue (42, v);

		// virtual call
		m = t.BaseType.GetMethod ("virtual_method");
		v = this_obj.InvokeMethod (e.Thread, m, null, InvokeOptions.Virtual);
		AssertValue ("V2", v);

		// virtual call on static method
		m = t.GetMethod ("invoke_static_pass_ref");
		v = t.InvokeMethod (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") }, InvokeOptions.Virtual);
		AssertValue ("ABC", v);

		// instance
		m = t.GetMethod ("invoke_pass_ref");
		var task = this_obj.InvokeMethodAsync (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
		AssertValue ("ABC", task.Result);

		// static
		m = t.GetMethod ("invoke_static_pass_ref");
		task = t.InvokeMethodAsync (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
		AssertValue ("ABC", task.Result);

		// string constructor
		var stringType = vm.RootDomain.Corlib.GetType ("System.String");
		var stringConstructor = stringType.GetMethods ().Single (c=>
			c.Name == ".ctor" &&
			c.GetParameters ().Length == 2 &&
			c.GetParameters ()[0].ParameterType.Name == "Char" &&
			c.GetParameters ()[1].ParameterType.Name == "Int32");
		var str = stringType.NewInstance (e.Thread, stringConstructor,  new Value [] { vm.CreateValue ('a'), vm.CreateValue (3)});

		AssertValue("aaa", str);

		// Argument checking
		
		// null thread
		AssertThrows<ArgumentNullException> (delegate {
				m = t.GetMethod ("invoke_pass_ref");
				v = this_obj.InvokeMethod (null, m, new Value [] { vm.CreateValue (null) });				
			});

		// null method
		AssertThrows<ArgumentNullException> (delegate {
				v = this_obj.InvokeMethod (e.Thread, null, new Value [] { vm.CreateValue (null) });				
			});

		// invalid number of arguments
		m = t.GetMethod ("invoke_pass_ref");
		AssertThrows<ArgumentException> (delegate {
				v = this_obj.InvokeMethod (e.Thread, m, null);
			});

		// invalid type of argument (ref != primitive)
		m = t.GetMethod ("invoke_pass_ref");
		AssertThrows<ArgumentException> (delegate {
				v = this_obj.InvokeMethod (e.Thread, m, new Value [] { vm.CreateValue (1) });
			});

		// invalid type of argument (primitive != primitive)
		m = t.GetMethod ("invoke_pass_primitive_2");
		AssertThrows<ArgumentException> (delegate {
				v = this_obj.InvokeMethod (e.Thread, m, new Value [] { vm.CreateValue (1) });
			});

		// invoking a non-static method as static
		m = t.GetMethod ("invoke_pass_ref");
		AssertThrows<ArgumentException> (delegate {
				v = t.InvokeMethod (e.Thread, m, new Value [] { vm.RootDomain.CreateString ("ABC") });
			});

		// invoking a method defined in another class
		m = t2.GetMethod ("invoke");
		AssertThrows<ArgumentException> (delegate {
				v = this_obj.InvokeMethod (e.Thread, m, null);
			});
	}

	[Test]
	public void InvokeVType () {
		Event e = run_until ("invoke1");

		StackFrame frame = e.Thread.GetFrames () [0];

		var s = frame.GetArgument (1) as StructMirror;

		TypeMirror t = s.Type;

		MethodMirror m;
		Value v;

		// Pass struct as this, receive int
		m = t.GetMethod ("invoke_return_int");
		v = s.InvokeMethod (e.Thread, m, null);
		AssertValue (42, v);

		// Pass boxed struct as this
		var boxed_this = t.NewInstance () as ObjectMirror;
		m = t.GetMethod ("invoke_return_int");
		v = boxed_this.InvokeMethod (e.Thread, m, null);
		AssertValue (0, v);

		// Pass struct as this, receive intptr
		m = t.GetMethod ("invoke_return_intptr");
		v = s.InvokeMethod (e.Thread, m, null);
		AssertValue (43, v);

		// Static method
		m = t.GetMethod ("invoke_static");
		v = t.InvokeMethod (e.Thread, m, null);
		AssertValue (5, v);

		// Pass generic struct as this
		s = frame.GetArgument (2) as StructMirror;
		t = s.Type;
		m = t.GetMethod ("invoke_return_int");
		v = s.InvokeMethod (e.Thread, m, null);
		AssertValue (42, v);

		// .ctor
		s = frame.GetArgument (1) as StructMirror;
		t = s.Type;
		m = t.GetMethods ().First (method => method.Name == ".ctor" && method.GetParameters ().Length == 1);
		v = t.InvokeMethod (e.Thread, m, new Value [] { vm.CreateValue (1) });
		AssertValue (1, (v as StructMirror)["i"]);

		// Invoke a method which changes state
		s = frame.GetArgument (1) as StructMirror;
		t = s.Type;
		m = t.GetMethod ("invoke_mutate");
		var task = s.InvokeMethodAsyncWithResult (e.Thread, m, null, InvokeOptions.ReturnOutThis);
		var out_this = task.Result.OutThis as StructMirror;
		AssertValue (5, out_this ["l"]);

		// Without the ReturnOutThis flag
		s = frame.GetArgument (1) as StructMirror;
		t = s.Type;
		m = t.GetMethod ("invoke_mutate");
		task = s.InvokeMethodAsyncWithResult (e.Thread, m, null);
		out_this = task.Result.OutThis as StructMirror;
		Assert.AreEqual (null, out_this);

		// interface method
		var cl1 = frame.Method.DeclaringType.Assembly.GetType ("ITest2");
		m = cl1.GetMethod ("invoke_iface");
		v = s.InvokeMethod (e.Thread, m, null);
		AssertValue (42, v);

		// virtual method
		m = vm.RootDomain.Corlib.GetType ("System.Object").GetMethod ("ToString");
		v = s.InvokeMethod (e.Thread, m, null, InvokeOptions.Virtual);
		AssertValue ("42", v);
	}

	[Test]
	public void BreakpointDuringInvoke () {
		Event e = run_until ("invoke1");

		MethodMirror m = entry_point.DeclaringType.GetMethod ("invoke2");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, 0);

		StackFrame frame = e.Thread.GetFrames () [0];
		var o = frame.GetThis () as ObjectMirror;

		bool failed = false;

		bool finished = false;
		object wait = new object ();

		// Have to invoke in a separate thread as the invoke is suspended until we
		// resume after the breakpoint
		Thread t = new Thread (delegate () {
				try {
					o.InvokeMethod (e.Thread, m, null);
				} catch {
					failed = true;
				}
				lock (wait) {
					finished = true;
					Monitor.Pulse (wait);
				}
			});

		t.Start ();

		StackFrame invoke_frame = null;

		try {
			e = GetNextEvent ();
			Assert.IsInstanceOfType (typeof (BreakpointEvent), e);
			// Check stack trace support and invokes
			var frames = e.Thread.GetFrames ();
			invoke_frame = frames [0];
			Assert.AreEqual ("invoke2", frames [0].Method.Name);
			Assert.IsTrue (frames [0].IsDebuggerInvoke);
			Assert.AreEqual ("invoke1", frames [1].Method.Name);
		} finally {
			vm.Resume ();
		}

		lock (wait) {
			if (!finished)
				Monitor.Wait (wait);
		}

		// Check that the invoke frames are no longer valid
		AssertThrows<InvalidStackFrameException> (delegate {
				invoke_frame.GetThis ();
			});

		// Check InvokeOptions.DisableBreakpoints flag
		o.InvokeMethod (e.Thread, m, null, InvokeOptions.DisableBreakpoints);
	}

	[Test]
	public void DisabledExceptionDuringInvoke () {
		Event e = run_until ("invoke_ex");

		MethodMirror m = entry_point.DeclaringType.GetMethod ("invoke_ex_inner");

		StackFrame frame = e.Thread.GetFrames () [0];
		var o = frame.GetThis () as ObjectMirror;

		var req = vm.CreateExceptionRequest (null);
		req.Enable ();

		// Check InvokeOptions.DisableBreakpoints flag
		o.InvokeMethod (e.Thread, m, null, InvokeOptions.DisableBreakpoints);

		req.Disable ();
	}

	[Test]
	public void InvokeSingleThreaded () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "invoke-single-threaded" });

		Event e = run_until ("invoke_single_threaded_2");

		StackFrame f = e.Thread.GetFrames ()[0];

		var obj = f.GetThis () as ObjectMirror;

		// Check that the counter value incremented by the other thread does not increase
		// during the invoke.
		object counter1 = (obj.GetValue (obj.Type.GetField ("counter")) as PrimitiveValue).Value;

		var m = obj.Type.GetMethod ("invoke_return_void");
		obj.InvokeMethod (e.Thread, m, null, InvokeOptions.SingleThreaded);

	    object counter2 = (obj.GetValue (obj.Type.GetField ("counter")) as PrimitiveValue).Value;

		Assert.AreEqual ((int)counter1, (int)counter2);

		// Test multiple invokes done in succession
		m = obj.Type.GetMethod ("invoke_return_void");
		obj.InvokeMethod (e.Thread, m, null, InvokeOptions.SingleThreaded);

		// Test events during single-threaded invokes
		vm.EnableEvents (EventType.TypeLoad);
		m = obj.Type.GetMethod ("invoke_type_load");
		obj.BeginInvokeMethod (e.Thread, m, null, InvokeOptions.SingleThreaded, delegate {
				vm.Resume ();
			}, null);

		e = GetNextEvent ();
		Assert.AreEqual (EventType.TypeLoad, e.EventType);
	}

	List<Value> invoke_results;

	[Test]
	public void InvokeMultiple () {
		Event e = run_until ("invoke1");

		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t = frame.Method.DeclaringType;
		ObjectMirror this_obj = (ObjectMirror)frame.GetThis ();

		TypeMirror t2 = frame.Method.GetParameters ()[0].ParameterType;

		var methods = new MethodMirror [2];
		methods [0] = t.GetMethod ("invoke_return_ref");
		methods [1] = t.GetMethod ("invoke_return_primitive");

		invoke_results = new List<Value> ();

		var r = this_obj.BeginInvokeMultiple (e.Thread, methods, null, InvokeOptions.SingleThreaded, invoke_multiple_cb, this_obj);
		WaitHandle.WaitAll (new WaitHandle[] { r.AsyncWaitHandle });
		this_obj.EndInvokeMultiple (r);
		// The callback might still be running
		while (invoke_results.Count < 2) {
			Thread.Sleep (100);
		}
		if (invoke_results [0] is PrimitiveValue) {
			AssertValue ("ABC", invoke_results [1]);
			AssertValue (42, invoke_results [0]);
		} else {
			AssertValue ("ABC", invoke_results [0]);
			AssertValue (42, invoke_results [1]);
		}
	}

	void invoke_multiple_cb (IAsyncResult ar) {
		ObjectMirror this_obj = (ObjectMirror)ar.AsyncState;

		var res = this_obj.EndInvokeMethod (ar);
		lock (invoke_results)
			invoke_results.Add (res);
	}

	[Test]
	public void InvokeAbort () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "invoke-abort" });

		Event e = run_until ("invoke_abort");

		StackFrame f = e.Thread.GetFrames ()[0];

		var obj = f.GetThis () as ObjectMirror;
		var t = obj.Type;
		var m = t.GetMethod ("invoke_abort_2");
		// Invoke multiple times to check that the subsequent invokes are aborted too
		var res = (IInvokeAsyncResult)obj.BeginInvokeMultiple (e.Thread, new MethodMirror[] { m, m, m, m }, null, InvokeOptions.None, delegate { }, null);
		Thread.Sleep (500);
		res.Abort ();
		AssertThrows<CommandException> (delegate {
				obj.EndInvokeMethod (res);
			});
	}

	[Test]
	public void GetThreads () {
		vm.GetThreads ();
	}

#if !MONODROID_TEST
	[Test]
	public void Threads () {
		Event e = run_until ("threads");

		Assert.AreEqual (ThreadState.Running, e.Thread.ThreadState);

		Assert.IsTrue (e.Thread.ThreadId > 0);

		Assert.AreEqual (e.Thread.TID, e.Thread.TID);

		vm.EnableEvents (EventType.ThreadStart, EventType.ThreadDeath);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ThreadStartEvent), e);
		var state = e.Thread.ThreadState;
		Assert.IsTrue (state == ThreadState.Running || state == ThreadState.Unstarted);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ThreadDeathEvent), e);
		// https://github.com/mono/mono/issues/11416
		// Assert.AreEqual (ThreadState.Stopped, e.Thread.ThreadState);
	}
#endif

	[Test]
	public void Frame_SetValue () {
		Event e = run_until ("locals2");

		StackFrame frame = e.Thread.GetFrames () [0];

		// primitive
		var l = frame.Method.GetLocal ("i");
		frame.SetValue (l, vm.CreateValue ((long)55));
		AssertValue (55, frame.GetValue (l));

		// reference
		l = frame.Method.GetLocal ("s");
		frame.SetValue (l, vm.RootDomain.CreateString ("DEF"));
		AssertValue ("DEF", frame.GetValue (l));

		// argument as local
		l = frame.Method.GetLocal ("arg");
		frame.SetValue (l, vm.CreateValue (6));
		AssertValue (6, frame.GetValue (l));

		// argument
		var p = frame.Method.GetParameters ()[1];
		frame.SetValue (p, vm.CreateValue (7));
		AssertValue (7, frame.GetValue (p));

		// gshared
		p = frame.Method.GetParameters ()[2];
		frame.SetValue (p, vm.RootDomain.CreateString ("DEF"));
		AssertValue ("DEF", frame.GetValue (p));

		// byref
		p = frame.Method.GetParameters ()[3];
		frame.SetValue (p, vm.RootDomain.CreateString ("DEF2"));
		AssertValue ("DEF2", frame.GetValue (p));

		// byref struct
		p = frame.Method.GetParameters ()[4];
		var v = frame.GetValue (p) as StructMirror;
		v ["i"] = vm.CreateValue (43);
		frame.SetValue (p, v);
		v = frame.GetValue (p) as StructMirror;
		AssertValue (43, v ["i"]);

		// argument checking

		// variable null
		AssertThrows<ArgumentNullException> (delegate () {
				frame.SetValue ((LocalVariable)null, vm.CreateValue (55));
			});

		// value null
		AssertThrows<ArgumentNullException> (delegate () {
				l = frame.Method.GetLocal ("i");
				frame.SetValue (l, null);
			});

		// value of invalid type
		AssertThrows<ArgumentException> (delegate () {
				l = frame.Method.GetLocal ("i");
				frame.SetValue (l, vm.CreateValue (55));
			});
	}

	[Test]
	[Category ("only")]
	public void Frame_SetValue_Registers () {
		Event e = run_until ("locals6_1");

		StackFrame frame = e.Thread.GetFrames () [1];

		// Set 'j' to 99
		var l = frame.Method.GetLocal ("j");
		frame.SetValue (l, vm.CreateValue (99));
		AssertValue (99, frame.GetValue (l));

		// Check it during execution
		e = run_until ("locals6_2");
		frame = e.Thread.GetFrames () [0];
		AssertValue (99, frame.GetValue (frame.Method.GetParameters ()[0]));

		// Set it while in a frame which clobbers its register
		e = run_until ("locals6_3");
		frame = e.Thread.GetFrames () [1];
		frame.SetValue (l, vm.CreateValue (100));
		AssertValue (100, frame.GetValue (l));

		// Check it during execution
		e = run_until ("locals6_4");
		frame = e.Thread.GetFrames () [0];
		AssertValue (100, frame.GetValue (frame.Method.GetParameters ()[0]));

		// Signed byte value
		e = run_until ("locals6_5");
		frame = e.Thread.GetFrames () [1];
		var l2 = frame.Method.GetLocal ("sb");
		frame.SetValue (l2, vm.CreateValue ((sbyte)-99));
		AssertValue (-99, frame.GetValue (l2));

		// Check it during execution
		e = run_until ("locals6_6");
		frame = e.Thread.GetFrames () [0];
		AssertValue (-99, frame.GetValue (frame.Method.GetParameters ()[0]));
	}

	[Test]
	public void InvokeRegress () {
		Event e = run_until ("invoke1");

		StackFrame frame = e.Thread.GetFrames () [0];

		TypeMirror t = frame.Method.DeclaringType;
		ObjectMirror this_obj = (ObjectMirror)frame.GetThis ();

		TypeMirror t2 = frame.Method.GetParameters ()[0].ParameterType;

		MethodMirror m;
		Value v;

		// do an invoke
		m = t.GetMethod ("invoke_return_void");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		Assert.IsNull (v);

		// Check that the stack frames remain valid during the invoke
		Assert.AreEqual ("Tests", (frame.GetThis () as ObjectMirror).Type.Name);

		// do another invoke
		m = t.GetMethod ("invoke_return_void");
		v = this_obj.InvokeMethod (e.Thread, m, null);
		Assert.IsNull (v);

		// Try a single step after the invoke
		var req = create_step (e);
		req.Depth = StepDepth.Into;
		req.Size = StepSize.Line;
		req.Enable ();

		// Skip nop
		step_once ();

		// Step into invoke2
		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);
		Assert.AreEqual ("invoke2", (e as StepEvent).Method.Name);

		req.Disable ();

		frame = e.Thread.GetFrames () [0];
	}

	[Test]
	public void Exceptions () {
		Event e = run_until ("exceptions");
		var req = vm.CreateExceptionRequest (null);
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("OverflowException", (e as ExceptionEvent).Exception.Type.Name);

		var frames = e.Thread.GetFrames ();
		Assert.AreEqual ("exceptions", frames [0].Method.Name);
		req.Disable ();

		// exception type filter

		req = vm.CreateExceptionRequest (vm.RootDomain.Corlib.GetType ("System.ArgumentException"));
		req.Enable ();

		// Skip the throwing of the second OverflowException	   
		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("ArgumentException", (e as ExceptionEvent).Exception.Type.Name);
		req.Disable ();

		// exception type filter for subclasses
		req = vm.CreateExceptionRequest (vm.RootDomain.Corlib.GetType ("System.Exception"));
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("OverflowException", (e as ExceptionEvent).Exception.Type.Name);
		req.Disable ();

		// no subclasses
		req.IncludeSubclasses = false;
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("Exception", (e as ExceptionEvent).Exception.Type.Name);
		req.Disable ();

		// Implicit exceptions
		req = vm.CreateExceptionRequest (null);
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("NullReferenceException", (e as ExceptionEvent).Exception.Type.Name);
		req.Disable ();

		// Single stepping after an exception
		req = vm.CreateExceptionRequest (null);
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("Exception", (e as ExceptionEvent).Exception.Type.Name);
		frames = e.Thread.GetFrames ();
		Assert.AreEqual ("exceptions2", frames [0].Method.Name);
		req.Disable ();

		var sreq = create_step (e);
		sreq.Depth = StepDepth.Over;
		sreq.Size = StepSize.Line;
		sreq.Enable ();

		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (StepEvent), e);
		frames = e.Thread.GetFrames ();
		Assert.AreEqual ("exceptions", frames [0].Method.Name);
		sreq.Disable ();

		// Argument checking
		AssertThrows<ArgumentException> (delegate {
				vm.CreateExceptionRequest (e.Thread.Type);
			});
	}

	[Test]
	public void ExceptionFilter () {
		Event e = run_until ("exception_filter");

		MethodMirror m = entry_point.DeclaringType.GetMethod ("exception_filter_filter");
		Assert.IsNotNull (m);

		vm.SetBreakpoint (m, 0);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (m.Name, (e as BreakpointEvent).Method.Name);

		var frames = e.Thread.GetFrames ();

		Assert.IsTrue (frames [0].Location.SourceFile.IndexOf ("dtest-app.cs") != -1);
		Assert.AreEqual ("exception_filter_filter", frames [0].Location.Method.Name);

		Assert.AreEqual (0, frames [1].Location.Method.MetadataToken);
		Assert.AreEqual (0x0f, frames [1].Location.ILOffset);

		Assert.AreEqual ("exception_filter_method", frames [2].Location.Method.Name);
		Assert.AreEqual (0x06, frames [2].Location.ILOffset);

		Assert.AreEqual (0, frames [3].Location.Method.MetadataToken, 0);
		Assert.AreEqual (0, frames [3].Location.ILOffset);

		Assert.AreEqual ("exception_filter", frames [4].Location.Method.Name);
	}

	[Test]
	public void ExceptionFilter2 () {
		vm.Detach ();

		Start (new string [] { Path.Combine (this_assembly_path, "dtest-excfilter.exe") });

		MethodMirror filter_method = entry_point.DeclaringType.GetMethod ("Filter");
		Assert.IsNotNull (filter_method);

		MethodMirror test_method = entry_point.DeclaringType.GetMethod ("Test");
		Assert.IsNotNull (test_method);

		vm.SetBreakpoint (filter_method, 0);

		vm.Resume ();

		var e = GetNextEvent ();
		Assert.AreEqual (EventType.Breakpoint, e.EventType);
		Assert.IsTrue (e is BreakpointEvent);
		Assert.AreEqual (filter_method.Name, (e as BreakpointEvent).Method.Name);

		var frames = e.Thread.GetFrames ();

		Assert.AreEqual (4, frames.Count ());

		Assert.AreEqual (filter_method.Name, frames [0].Location.Method.Name);
		Assert.AreEqual (20, frames [0].Location.LineNumber);
		Assert.AreEqual (0, frames [0].Location.ILOffset);

		Assert.AreEqual (test_method.Name, frames [1].Location.Method.Name);
		Assert.AreEqual (38, frames [1].Location.LineNumber);
		Assert.AreEqual (0x10, frames [1].Location.ILOffset);

		Assert.AreEqual (test_method.Name, frames [2].Location.Method.Name);
		Assert.AreEqual (33, frames [2].Location.LineNumber);
		Assert.AreEqual (0x05, frames [2].Location.ILOffset);

		Assert.AreEqual (entry_point.Name, frames [3].Location.Method.Name);
		Assert.AreEqual (14, frames [3].Location.LineNumber);
		Assert.AreEqual (0x00, frames [3].Location.ILOffset);

		vm.Exit (0);

		vm = null;
	}

	[Test]
	public void EventSets () {
		//
		// Create two filter which both match the same exception
		//
		Event e = run_until ("exceptions");

		var req = vm.CreateExceptionRequest (null);
		req.Enable ();

		var req2 = vm.CreateExceptionRequest (vm.RootDomain.Corlib.GetType ("System.OverflowException"));
		req2.Enable ();

		vm.Resume ();

		var es = vm.GetNextEventSet ();
		Assert.AreEqual (2, es.Events.Length);

		e = es [0];
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("OverflowException", (e as ExceptionEvent).Exception.Type.Name);

		e = es [1];
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("OverflowException", (e as ExceptionEvent).Exception.Type.Name);

		req.Disable ();
		req2.Disable ();
	}

	//
	// Test single threaded invokes during processing of nullref exceptions.
	// These won't work if the exception handling is done from the sigsegv signal
	// handler, since the sigsegv signal is disabled until control returns from the
	// signal handler.
	//
	[Test]
	[Category ("only3")]
	public void NullRefExceptionAndSingleThreadedInvoke () {
		Event e = run_until ("exceptions");
		var req = vm.CreateExceptionRequest (vm.RootDomain.Corlib.GetType ("System.NullReferenceException"));
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (ExceptionEvent), e);
		Assert.AreEqual ("NullReferenceException", (e as ExceptionEvent).Exception.Type.Name);

		var ex = (e as ExceptionEvent).Exception;
		var tostring_method = vm.RootDomain.Corlib.GetType ("System.Object").GetMethod ("ToString");
		ex.InvokeMethod (e.Thread, tostring_method, null, InvokeOptions.SingleThreaded);
	}

	[Test]
	public void MemberInOtherDomain () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "domain-test" });

		vm.EnableEvents (EventType.AppDomainCreate, EventType.AppDomainUnload, EventType.AssemblyUnload);

		Event e = run_until ("domains_print_across");

		var frame = e.Thread.GetFrames ()[0];
		var inOtherDomain = frame.GetArgument (0) as ObjectMirror;
		var crossDomainField = (ObjectMirror) inOtherDomain.GetValue (inOtherDomain.Type.GetField("printMe"));
		Assert.AreEqual ("SentinelClass", crossDomainField.Type.Name);
	}

	[Test]
	public void Domains () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "domain-test" });

		vm.EnableEvents (EventType.AppDomainCreate, EventType.AppDomainUnload, EventType.AssemblyUnload);

		Event e = run_until ("domains");

		vm.Resume ();
		
		e = GetNextEvent ();
		Assert.IsInstanceOfType (typeof (AppDomainCreateEvent), e);

		var domain = (e as AppDomainCreateEvent).Domain;

		// Check the object type
		e = run_until ("domains_2");
		var frame = e.Thread.GetFrames ()[0];
		var o = frame.GetArgument (0) as ObjectMirror;
		Assert.AreEqual ("CrossDomain", o.Type.Name);

		// Do a remoting invoke
		var cross_domain_type = o.Type;
		var v = o.InvokeMethod (e.Thread, cross_domain_type.GetMethod ("invoke_3"), null);
		AssertValue (42, v);

		// Run until the callback in the domain
		MethodMirror m = entry_point.DeclaringType.GetMethod ("invoke_in_domain");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, 0);

		while (true) {
			vm.Resume ();
			e = GetNextEvent ();
			if (e is BreakpointEvent)
				break;
		}

		Assert.AreEqual ("invoke_in_domain", (e as BreakpointEvent).Method.Name);

		// d_method is from another domain
		MethodMirror d_method = (e as BreakpointEvent).Method;
		Assert.IsTrue (m != d_method);
		Assert.AreEqual (domain, d_method.DeclaringType.Assembly.Domain);

		var frames = e.Thread.GetFrames ();
		Assert.AreEqual ("invoke_in_domain", frames [0].Method.Name);
		Assert.AreEqual (domain, frames [0].Domain);
		Assert.AreEqual ("invoke", frames [1].Method.Name);
		Assert.AreEqual ("domains", frames [2].Method.Name);
		Assert.AreEqual (vm.RootDomain, frames [2].Domain);

		// Check enum creation in other domains
		var anenum = vm.CreateEnumMirror (d_method.DeclaringType.Assembly.GetType ("AnEnum"), vm.CreateValue (1));
		Assert.AreEqual (1, anenum.Value);

		// Test breakpoints on already JITted methods in other domains
		m = entry_point.DeclaringType.GetMethod ("invoke_in_domain_2");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, 0);

		while (true) {
			vm.Resume ();
			e = GetNextEvent ();
			if (e is BreakpointEvent)
				break;
		}

		Assert.AreEqual ("invoke_in_domain_2", (e as BreakpointEvent).Method.Name);

		// This is empty when receiving the AppDomainCreateEvent
		Assert.AreEqual ("domain", domain.FriendlyName);

		// Run until the unload
		while (true) {
			vm.Resume ();
			e = GetNextEvent ();
			if (e is AssemblyUnloadEvent) {
				AssertThrows<Exception> (delegate () {
						var assembly_obj = (e as AssemblyUnloadEvent).Assembly.GetAssemblyObject ();
					});
				continue;
			} else {
				break;
			}
		}
		Assert.IsInstanceOfType (typeof (AppDomainUnloadEvent), e);
		Assert.AreEqual (domain, (e as AppDomainUnloadEvent).Domain);

		// Run past the unload
		e = run_until ("domains_3");

		// Test access to unloaded types
		// FIXME: Add an exception type for this
		AssertThrows<Exception> (delegate {
				d_method.DeclaringType.GetValue (d_method.DeclaringType.GetField ("static_i"));
			});

		// Check that .Domain is accessible for stack frames with native transitions
		e = run_until ("called_from_invoke");
		ThreadMirror.NativeTransitions = true;
		foreach (var f in e.Thread.GetFrames ()) {
			var dom = f.Domain;
		}
	}

	[Test]
	public void DynamicMethods () {
		Event e = run_until ("dyn_call");

		var m = e.Thread.GetFrames ()[1].Method;
		Assert.AreEqual ("dyn_method", m.Name);

		// Test access to IL
		var body = m.GetMethodBody ();

		ILInstruction ins = body.Instructions [0];
		Assert.AreEqual (OpCodes.Ldstr, ins.OpCode);
		Assert.AreEqual ("FOO", ins.Operand);
	}

	[Test]
	public void RefEmit () {
		vm.Detach ();

		Start (new string [] { dtest_app_path, "ref-emit-test" });

		Event e = run_until ("ref_emit_call");

		var m = e.Thread.GetFrames ()[1].Method;
		Assert.AreEqual ("ref_emit_method", m.Name);

		// Test access to IL
		var body = m.GetMethodBody ();

		ILInstruction ins;

		ins = body.Instructions [0];
		Assert.AreEqual (OpCodes.Ldstr, ins.OpCode);
		Assert.AreEqual ("FOO", ins.Operand);

		ins = body.Instructions [1];
		Assert.AreEqual (OpCodes.Call, ins.OpCode);
		Assert.IsInstanceOfType (typeof (MethodMirror), ins.Operand);
		Assert.AreEqual ("ref_emit_call", (ins.Operand as MethodMirror).Name);
	}

	[Test]
	public void IsAttached () {
		var f = entry_point.DeclaringType.GetField ("is_attached");

		Event e = run_until ("Main");

		AssertValue (true, entry_point.DeclaringType.GetValue (f));
	}

	[Test]
	public void StackTraceInNative () {
		// Check that stack traces can be produced for threads in native code
		vm.Detach ();

		Start (new string [] { dtest_app_path, "frames-in-native" });

		var e = run_until ("frames_in_native");

		// FIXME: This is racy
		vm.Resume ();

		Thread.Sleep (100);

		vm.Suspend ();

		StackFrame[] frames = e.Thread.GetFrames ();

		int frame_index = -1;
		for (int i = 0; i < frames.Length; ++i) {
			if (frames [i].Method.Name == "Sleep") {
				frame_index = i;
				break;
			}
		}

		Assert.IsTrue (frame_index != -1);
		Assert.AreEqual ("Sleep", frames [frame_index].Method.Name);
		Assert.AreEqual ("frames_in_native", frames [frame_index + 1].Method.Name);
		Assert.AreEqual ("Main", frames [frame_index + 2].Method.Name);

		// Check that invokes are disabled for such threads
		TypeMirror t = frames [frame_index + 1].Method.DeclaringType;

		var m = t.GetMethod ("invoke_static_return_void");
		AssertThrows<InvalidOperationException> (delegate {
				t.InvokeMethod (e.Thread, m, null);
			});

		// Check that the frame info is invalidated
		run_until ("frames_in_native_2");

		AssertThrows<InvalidStackFrameException> (delegate {
				Console.WriteLine (frames [frame_index].GetThis ());
			});
	}

	[Test]
	public void VirtualMachine_CreateEnumMirror () {
		var e = run_until ("o1");
		var frame = e.Thread.GetFrames () [0];

		object val = frame.GetThis ();
		Assert.IsTrue (val is ObjectMirror);
		Assert.AreEqual ("Tests", (val as ObjectMirror).Type.Name);
		ObjectMirror o = (val as ObjectMirror);

		FieldInfoMirror field = o.Type.GetField ("field_enum");
		Value f = o.GetValue (field);
		TypeMirror enumType = (f as EnumMirror).Type;

		o.SetValue (field, vm.CreateEnumMirror (enumType, vm.CreateValue (1)));
		f = o.GetValue (field);
		Assert.AreEqual (1, (f as EnumMirror).Value);

		// Argument checking
		AssertThrows<ArgumentNullException> (delegate () {
				vm.CreateEnumMirror (enumType, null);
			});

		AssertThrows<ArgumentNullException> (delegate () {
				vm.CreateEnumMirror (null, vm.CreateValue (1));
			});

		// null value
		AssertThrows<ArgumentException> (delegate () {
				vm.CreateEnumMirror (enumType, vm.CreateValue (null));
			});

		// value of a wrong type
		AssertThrows<ArgumentException> (delegate () {
				vm.CreateEnumMirror (enumType, vm.CreateValue ((long)1));
			});
	}

	[Test]
	public void VirtualMachine_EnableEvents_Breakpoint () {
		AssertThrows<ArgumentException> (delegate () {
				vm.EnableEvents (EventType.Breakpoint);
			});
	}

	[Test]
	public void SingleStepRegress654694 () {
		int il_offset = -1;

		MethodMirror m = entry_point.DeclaringType.GetMethod ("ss_regress_654694");
		foreach (Location l in m.Locations) {
			if (l.ILOffset > 0 && il_offset == -1)
				il_offset = l.ILOffset;
		}

		Event e = run_until ("ss_regress_654694");

		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, il_offset);

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsTrue (e is BreakpointEvent);

		var req = create_step (e);
		req.Depth = StepDepth.Over;
		req.Size = StepSize.Line;
		req.Enable ();

		vm.Resume ();

		e = GetNextEvent ();
		Assert.IsTrue (e is StepEvent);

		req.Disable ();
	}

	[Test]
	public void DebugBreak () {
		vm.EnableEvents (EventType.UserBreak);

		run_until ("user");

		vm.Resume ();
		var e = GetNextEvent ();
		Assert.IsTrue (e is UserBreakEvent);
	}

	[Test]
	public void DebugLog () {
		vm.EnableEvents (EventType.UserLog);

		run_until ("user");

		vm.Resume ();
		var e = GetNextEvent ();
		Assert.IsTrue (e is UserLogEvent);
		var le = e as UserLogEvent;

		Assert.AreEqual (5, le.Level);
		Assert.AreEqual ("A", le.Category);
		Assert.AreEqual ("B", le.Message);
	}

	[Test]
	public void TypeGetMethodsByNameFlags () {
		MethodMirror[] mm;
		var assembly = entry_point.DeclaringType.Assembly;
		var type = assembly.GetType ("Tests3");

		Assert.IsNotNull (type);

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Static | BindingFlags.Public, false);
		Assert.AreEqual (1, mm.Length, "#1");
		Assert.AreEqual ("M1", mm[0].Name, "#2");

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Static | BindingFlags.NonPublic, false);
		Assert.AreEqual (1, mm.Length, "#3");
		Assert.AreEqual ("M2", mm[0].Name, "#4");

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Instance | BindingFlags.Public, false);
		Assert.AreEqual (7, mm.Length, "#5"); //M3 plus Equals, GetHashCode, GetType, ToString, .ctor

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly, false);
		Assert.AreEqual (2, mm.Length, "#7");

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.DeclaredOnly, false);
		Assert.AreEqual (1, mm.Length, "#9");

		mm = type.GetMethodsByNameFlags (null, BindingFlags.Static | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly, false);
		Assert.AreEqual (5, mm.Length, "#11");

		//Now with name
		mm = type.GetMethodsByNameFlags ("M1", BindingFlags.Static | BindingFlags.Public, false);
		Assert.AreEqual (1, mm.Length, "#12");
		Assert.AreEqual ("M1", mm[0].Name, "#13");

		mm = type.GetMethodsByNameFlags ("m1", BindingFlags.Static | BindingFlags.Public, true);
		Assert.AreEqual (1, mm.Length, "#14");
		Assert.AreEqual ("M1", mm[0].Name, "#15");

		mm = type.GetMethodsByNameFlags ("M1", BindingFlags.Static  | BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, false);
		Assert.AreEqual (1, mm.Length, "#16");
		Assert.AreEqual ("M1", mm[0].Name, "#17");
	}

	[Test]
	[Category ("only88")]
	public void TypeLoadSourceFileFilter () {
		Event e = run_until ("type_load");

		if (!vm.Version.AtLeast (2, 7))
			return;

		string srcfile = (e as BreakpointEvent).Method.DeclaringType.GetSourceFiles (true)[0];
		srcfile = srcfile.Replace ("dtest-app.cs", "TypeLoadClass.cs");
		Assert.IsTrue (srcfile.Contains ("TypeLoadClass.cs"));

		var req = vm.CreateTypeLoadRequest ();
		req.SourceFileFilter = new string [] { srcfile.ToUpper () };
		req.Enable ();

		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is TypeLoadEvent);
		Assert.AreEqual ("TypeLoadClass", (e as TypeLoadEvent).Type.FullName);
	}

	[Test]
	public void TypeLoadTypeNameFilter () {
		Event e = run_until ("type_load");

		var req = vm.CreateTypeLoadRequest ();
		req.TypeNameFilter = new string [] { "TypeLoadClass2" };
		req.Enable ();

		vm.Resume ();
		e = GetNextEvent ();
		Assert.IsTrue (e is TypeLoadEvent);
		Assert.AreEqual ("TypeLoadClass2", (e as TypeLoadEvent).Type.FullName);
	}

	[Test]
	public void GetTypesForSourceFile () {
		run_until ("user");

		var types = vm.GetTypesForSourceFile ("dtest-app.cs", false);
		Assert.IsTrue (types.Any (t => t.FullName == "Tests"));
		Assert.IsFalse (types.Any (t => t.FullName == "System.Int32"));

		types = vm.GetTypesForSourceFile ("DTEST-app.cs", true);
		Assert.IsTrue (types.Any (t => t.FullName == "Tests"));
		Assert.IsFalse (types.Any (t => t.FullName == "System.Int32"));
	}

	[Test]
	public void GetTypesNamed () {
		run_until ("user");

		var types = vm.GetTypes ("Tests", false);
		Assert.AreEqual (1, types.Count);
		Assert.AreEqual ("Tests", types [0].FullName);

		types = vm.GetTypes ("System.Exception", false);
		Assert.AreEqual (1, types.Count);
		Assert.AreEqual ("System.Exception", types [0].FullName);
	}

	[Test]
	public void String_GetValue () {
		// Embedded nulls
		object val;

		// Reuse this test
		var e = run_until ("arg2");

		var frame = e.Thread.GetFrames () [0];

		val = frame.GetArgument (6);
		Assert.AreEqual ('\0'.ToString () + "A", (val as StringMirror).Value);
	}

	[Test]
	public void String_GetChars () {
		object val;

		// Reuse this test
		var e = run_until ("arg2");

		var frame = e.Thread.GetFrames () [0];

		val = frame.GetArgument (0);
		Assert.IsTrue (val is StringMirror);
		AssertValue ("FOO", val);
		var s = (val as StringMirror);
		Assert.AreEqual (3, s.Length);

		var c = s.GetChars (0, 2);
		Assert.AreEqual (2, c.Length);
		Assert.AreEqual ('F', c [0]);
		Assert.AreEqual ('O', c [1]);

		AssertThrows<ArgumentException> (delegate () {		
				s.GetChars (2, 2);
			});
	}

	[Test]
	public void GetInterfaces () {
		var e = run_until ("arg2");

		var frame = e.Thread.GetFrames () [0];

		var cl1 = frame.Method.DeclaringType.Assembly.GetType ("TestIfaces");
		var ifaces = cl1.GetInterfaces ();
		Assert.AreEqual (1, ifaces.Length);
		Assert.AreEqual ("ITest", ifaces [0].Name);

		var cl2 = cl1.GetMethod ("Baz").ReturnType;
		var ifaces2 = cl2.GetInterfaces ();
		Assert.AreEqual (1, ifaces2.Length);
		Assert.AreEqual ("ITest`1", ifaces2 [0].Name);
	}

	[Test]
	public void GetInterfaceMap () {
		var e = run_until ("arg2");

		var frame = e.Thread.GetFrames () [0];

		var cl1 = frame.Method.DeclaringType.Assembly.GetType ("TestIfaces");
		var iface = cl1.Assembly.GetType ("ITest");
		var map = cl1.GetInterfaceMap (iface);
		Assert.AreEqual (cl1, map.TargetType);
		Assert.AreEqual (iface, map.InterfaceType);
		Assert.AreEqual (2, map.InterfaceMethods.Length);
		Assert.AreEqual (2, map.TargetMethods.Length);
	}

	[Test]
	public void StackAlloc_Breakpoints_Regress2775 () {
		// Check that breakpoints on arm don't overwrite stackalloc-ed memory
		var e = run_until ("regress_2755");

		var frame = e.Thread.GetFrames () [0];
		var m = e.Method;
		// This breaks at the call site
		vm.SetBreakpoint (m, m.Locations [2].ILOffset);

		vm.Resume ();
		var e2 = GetNextEvent ();
		Assert.IsTrue (e2 is BreakpointEvent);

		e = run_until ("regress_2755_3");
		frame = e.Thread.GetFrames () [1];
		var res = frame.GetValue (m.GetLocal ("sum"));
		AssertValue (0, res);
	}

	[Test]
	public void MethodInfo () {
		Event e = run_until ("locals2");

		StackFrame frame = e.Thread.GetFrames () [0];
		var m = frame.Method;

		Assert.IsTrue (m.IsGenericMethod);
		Assert.IsFalse (m.IsGenericMethodDefinition);

		var args = m.GetGenericArguments ();
		Assert.AreEqual (1, args.Length);
		Assert.AreEqual ("String", args [0].Name);

		var gmd = m.GetGenericMethodDefinition ();
		Assert.IsTrue (gmd.IsGenericMethod);
		Assert.IsTrue (gmd.IsGenericMethodDefinition);
		Assert.AreEqual (gmd, gmd.GetGenericMethodDefinition ());

		args = gmd.GetGenericArguments ();
		Assert.AreEqual (1, args.Length);
		Assert.AreEqual ("T", args [0].Name);

		var attrs = m.GetCustomAttributes (true);
		Assert.AreEqual (1, attrs.Length);
		Assert.AreEqual ("StateMachineAttribute", attrs [0].Constructor.DeclaringType.Name);
	}

	[Test]
	public void UnhandledException () {
		vm.Exit (0);

		Start (new string [] { dtest_app_path, "unhandled-exception" });

		var req = vm.CreateExceptionRequest (null, false, true);
		req.Enable ();

		var e = run_until ("unhandled_exception");
		vm.Resume ();

		var e2 = GetNextEvent ();
		Assert.IsTrue (e2 is ExceptionEvent);

		vm.Exit (0);
		vm = null;
	}

	[Test]
	public void UnhandledException_2 () {
		vm.Exit (0);

		Start (new string [] { dtest_app_path, "unhandled-exception-endinvoke" });

		var req = vm.CreateExceptionRequest (null, false, true);
		req.Enable ();

		MethodMirror m = entry_point.DeclaringType.GetMethod ("unhandled_exception_endinvoke_2");
		Assert.IsNotNull (m);
		vm.SetBreakpoint (m, m.ILOffsets [0]);

		var e = run_until ("unhandled_exception_endinvoke");
		vm.Resume ();

		var e2 = GetNextEvent ();
		Assert.IsFalse (e2 is ExceptionEvent);

		vm.Exit (0);
		vm = null;
	}

	[Test]
	public void UnhandledExceptionUserCode () {
		vm.Detach ();

		// Exceptions caught in non-user code are treated as unhandled
		Start (new string [] { dtest_app_path, "unhandled-exception-user" });

		var req = vm.CreateExceptionRequest (null, false, true);
		req.AssemblyFilter = new List<AssemblyMirror> () { entry_point.DeclaringType.Assembly };
		req.Enable ();

		var e = run_until ("unhandled_exception_user");
		vm.Resume ();

		var e2 = GetNextEvent ();
		Assert.IsTrue (e2 is ExceptionEvent);

		vm.Exit (0);
		vm = null;
	}

	[Test]
	public void GCWhileSuspended () {
		// Check that objects are kept alive during suspensions
		Event e = run_until ("gc_suspend_1");

		MethodMirror m = entry_point.DeclaringType.GetMethod ("gc_suspend_invoke");

		var o = entry_point.DeclaringType.GetValue (entry_point.DeclaringType.GetField ("gc_suspend_field")) as ObjectMirror;
		//Console.WriteLine (o);

		StackFrame frame = e.Thread.GetFrames () [0];
		TypeMirror t = frame.Method.DeclaringType;
		for (int i = 0; i < 10; ++i)
			t.InvokeMethod (e.Thread, m, new Value [] { });

		// This throws an exception if the object is collected
		long addr = o.Address;

		var o2 = entry_point.DeclaringType.GetValue (entry_point.DeclaringType.GetField ("gc_suspend_field")) as ObjectMirror;
		Assert.IsNull (o2);
	}

	[Test]
	public void MakeGenericMethod () {
		Event e = run_until ("bp1");

		var intm = vm.RootDomain.GetCorrespondingType (typeof (int));
		var stringm = vm.RootDomain.GetCorrespondingType (typeof (string));
		var gm = entry_point.DeclaringType.GetMethod ("generic_method");
		var res = gm.MakeGenericMethod (new TypeMirror [] { stringm });
		var args = res.GetGenericArguments ();
		Assert.AreEqual (1, args.Length);
		Assert.AreEqual (stringm, args [0]);

		// Error checking
		AssertThrows<ArgumentNullException> (delegate {
				gm.MakeGenericMethod (null);
			});
		AssertThrows<ArgumentNullException> (delegate {
				gm.MakeGenericMethod (new TypeMirror [] { null });
			});
		AssertThrows<ArgumentException> (delegate {
				gm.MakeGenericMethod (new TypeMirror [] { stringm, stringm });
			});
		AssertThrows<InvalidOperationException> (delegate {
				gm.MakeGenericMethod (new TypeMirror [] { intm });
			});
		AssertThrows<InvalidOperationException> (delegate {
				entry_point.DeclaringType.GetMethod ("Main").MakeGenericMethod (new TypeMirror [] { intm });
			});
	}

	[Test]
	public void InspectThreadSuspenedOnWaitOne () {
		TearDown ();
		Start (true, dtest_app_path, "wait-one" );

		ThreadMirror.NativeTransitions = true;

		var evt = run_until ("wait_one");
		Assert.IsNotNull (evt, "#1");

		var thread = evt.Thread;
		Assert.AreEqual (ThreadState.Running, thread.ThreadState, "#1.1");

		var frames = thread.GetFrames ();
		Assert.IsNotNull (frames, "#2");
		Assert.AreEqual (2, frames.Length, "#3");
		Assert.AreEqual ("wait_one", frames [0].Method.Name, "#4");
		Assert.AreEqual ("Main", frames [1].Method.Name, "#5");

		vm.Resume ();

		Thread.Sleep (500); //FIXME this is racy, maybe single step? or something?

		vm.Suspend ();
		Assert.AreEqual (ThreadState.WaitSleepJoin, thread.ThreadState, "#6");

		frames = thread.GetFrames ();
		Assert.AreEqual (8, frames.Length, "#7");
		Assert.AreEqual ("Wait_internal", frames [0].Method.Name, "#8.0");
		Assert.AreEqual ("WaitOneNative", frames [1].Method.Name, "#8.1");
		Assert.AreEqual ("InternalWaitOne", frames [2].Method.Name, "#8.2");
		Assert.AreEqual ("WaitOne", frames [3].Method.Name, "#8.3");
		Assert.AreEqual ("WaitOne", frames [4].Method.Name, "#8.4");
		Assert.AreEqual ("WaitOne", frames [5].Method.Name, "#8.5");
		Assert.AreEqual ("wait_one", frames [6].Method.Name, "#8.6");
		Assert.AreEqual ("Main", frames [7].Method.Name, "#8.7");

		var frame = frames [0];
		Assert.IsTrue (frame.IsNativeTransition, "#11.1");
		try {
			frame.GetThis ();
			Assert.Fail ("Known limitation - can't get info from m2n frames");
		} catch (AbsentInformationException) {}

		frame = frames [3];
		Assert.IsFalse (frame.IsNativeTransition, "#12.1");
		var wait_one_this = frame.GetThis ();
		Assert.IsNotNull (wait_one_this, "#12.2");

		frame = frames [6];
		var locals = frame.GetVisibleVariables ();
		Assert.AreEqual (1, locals.Count, "#13.1");

		var local_0 = frame.GetValue (locals [0]);
		Assert.IsNotNull (local_0, "#13.2");

		Assert.AreEqual (wait_one_this, local_0, "#14.2");
	}

	[Test]
	public void GetMethodBody () {
		var bevent = run_until ("Main");

		var m = bevent.Method.DeclaringType.GetMethod ("get_IntProperty");
		var body = m.GetMethodBody ();
		foreach (var ins in body.Instructions) {
			if (ins.OpCode == OpCodes.Ldfld) {
				var field = (FieldInfoMirror)ins.Operand;
				Assert.AreEqual ("field_i", field.Name);
			}
		}
	}

	[Test]
	public void EvaluateMethod () {
		var bevent = run_until ("evaluate_method_2");

		var m = bevent.Method.DeclaringType.GetMethod ("get_IntProperty");

		var this_obj = bevent.Thread.GetFrames ()[0].GetThis ();
		var v = m.Evaluate (this_obj, null);
		AssertValue (42, v);
	}

	[Test]
	public void SetIP () {
		var bevent = run_until ("set_ip_1");

		var invalid_loc = bevent.Thread.GetFrames ()[0].Location;

		var req = create_step (bevent);
		var e = step_out ();
		req.Disable ();
		var frames = e.Thread.GetFrames ();
		var locs = frames [0].Method.Locations;

		var next_loc = locs.First (l => (l.LineNumber == frames [0].Location.LineNumber + 3));

		e.Thread.SetIP (next_loc);

		/* Check that i ++; j = 5; was skipped */
		bevent = run_until ("set_ip_2");
		var f = bevent.Thread.GetFrames ()[1];
		AssertValue (2, f.GetValue (f.Method.GetLocal ("i")));
		AssertValue (0, f.GetValue (f.Method.GetLocal ("j")));

		// Error handling
		AssertThrows<ArgumentNullException> (delegate {
				e.Thread.SetIP (null);
			});

		AssertThrows<ArgumentException> (delegate {
				e.Thread.SetIP (invalid_loc);
			});
	}

	[Test]
	public void SetIPSingleStep () {
		// Check that single stepping after set-ip steps from the new ip
		var bevent = run_until ("set_ip_1");

		var invalid_loc = bevent.Thread.GetFrames ()[0].Location;

		var req = create_step (bevent);
		req.Size = StepSize.Line;
		var e = step_out ();
		req.Disable ();
		var frames = e.Thread.GetFrames ();
		var locs = frames [0].Method.Locations;
		var prev_loc = locs.First (l => (l.LineNumber == frames [0].Location.LineNumber - 1));
		AssertValue (2, frames [0].GetValue (frames [0].Method.GetLocal ("i")));

		// Set back the ip to the first i ++; line
		e.Thread.SetIP (prev_loc);

		e = step_over ();
		var f = e.Thread.GetFrames ()[0];
		AssertValue (3, f.GetValue (f.Method.GetLocal ("i")));
	}

	[Test]
	public void NewInstanceNoCtor () {
		var bevent = run_until ("Main");

		var stype = bevent.Method.DeclaringType.Assembly.GetType ("AStruct");
		var obj = stype.NewInstance ();
		Assert.IsTrue (obj is ObjectMirror);
		Assert.AreEqual ("AStruct", (obj as ObjectMirror).Type.Name);
	}

	[Test]
	public void StaticCtorFilterInCctor () {
		// Check that single stepping when in a cctor only ignores
		// other cctors, not the current one
		var bevent = run_until ("step_filters");

		var assembly = entry_point.DeclaringType.Assembly;
		var type = assembly.GetType ("Tests/ClassWithCctor");
		var cctor = type.GetMethod (".cctor");
		vm.SetBreakpoint (cctor, 0);

		vm.Resume ();
		var e = GetNextEvent ();
		Assert.IsTrue (e is BreakpointEvent);

		var req = create_step (e);
		req.Filter = StepFilter.StaticCtor;
		e = step_into ();
		// Make sure we are still in the cctor
		Assert.AreEqual (".cctor", e.Thread.GetFrames ()[0].Location.Method.Name);
	}

	[Test]
	public void ThreadpoolIOsinglestep () {
		TearDown ();
		Start (dtest_app_path, "threadpool-io");
		// This is a regression test for #42625.  It tests the
		// interaction (particularly in coop GC) of the
		// threadpool I/O mechanism and the soft debugger.
		Event e = run_until ("threadpool_io");
		// run until we sent the task half the bytes it
		// expects, so that it blocks waiting for the rest.
		e = run_until ("threadpool_bp");
		var req = create_step (e);
		e = step_out (); // leave threadpool_bp
		
		e = step_out (); // leave threadpool_io
	}

	[Test]
	public void StepOutAsync () {
		vm.Detach ();
		Start (new string [] { dtest_app_path, "step-out-void-async" });
		var e = run_until ("step_out_void_async_2");
		create_step (e);
		var e2 = step_out ();
		assert_location (e2, "MoveNext");//we are in step_out_void_async
		step_req.Disable ();
		step_req.Depth = StepDepth.Out;
		step_req.Enable ();
		vm.Resume ();
		var e3 = GetNextEvent ();
		//after step-out from async void, execution should continue
		//and runtime should Step
		Assert.IsTrue (e3 is StepEvent, e3.GetType().FullName);
		vm = null;
	}

	[Test]
	public void StepOverOnExitFromArgsAfterStepInMethodParameter2() {
		Event e = run_until ("ss_nested_with_three_args_wrapper");

		var req = create_step(e);
		req.Enable();

		e = step_once();
		assert_location(e, "ss_nested_with_three_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_with_three_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_with_three_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg3");
	}

	
	[Test]
	public void StepOverOnExitFromArgsAfterStepInMethodParameter3() {
		Event e = run_until ("ss_nested_twice_with_two_args_wrapper");

		var req = create_step(e);
		req.Enable();

		e = step_once();
		assert_location(e, "ss_nested_twice_with_two_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_arg1");

		e = step_over();
		assert_location(e, "ss_nested_twice_with_two_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_arg2");

		e = step_over();
		assert_location(e, "ss_nested_twice_with_two_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg3");
	}

	[Test]
	public void ShouldCorrectlyStepOverOnExitFromArgsAfterStepInMethodParameter() {
		Event e = run_until ("ss_nested_with_two_args_wrapper");

		var req = create_step(e);
		req.Enable();

		e = step_once();
		assert_location(e, "ss_nested_with_two_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg");

		e = step_over();
		assert_location(e, "ss_nested_arg");

		e = step_over();
		assert_location(e, "ss_nested_arg");

		e = step_over();
		assert_location(e, "ss_nested_with_two_args_wrapper");

		e = step_into();
		assert_location(e, "ss_nested_arg");
	}

	[Test]
	public void InspectEnumeratorInGenericStruct() {
		//files.myBucket.GetEnumerator().get_Current().Key watching this generates an exception in Debugger
		Event e = run_until("inspect_enumerator_in_generic_struct");
		var req = create_step(e);
		req.Enable();
		e = step_once();
		e = step_over();
		StackFrame frame = e.Thread.GetFrames () [0];
		var ginst = frame.Method.GetLocal ("generic_struct");
		Value variable = frame.GetValue (ginst);
		StructMirror thisObj = (StructMirror)variable;
		TypeMirror thisType = thisObj.Type;
		variable = thisObj.InvokeMethod(e.Thread, thisType.GetMethod("get_Current"), null);
		thisObj = (StructMirror)variable;
		thisType = thisObj.Type;
		AssertValue ("f1", thisObj["value"]);
	}

	[Test]
	public void CheckElapsedTime() {
		Event e = run_until ("elapsed_time");

		var req = create_step(e);
		req.Enable();
		e = step_once();
		e = step_over(); //Thread.Sleep(200)
		Assert.IsTrue (e.Thread. ElapsedTime() >= 200);
		e = step_over(); //Thread.Sleep(00);
		Assert.IsTrue (e.Thread.ElapsedTime() < 200);
		e = step_over(); //Thread.Sleep(100);
		Assert.IsTrue (e.Thread.ElapsedTime() >= 100 && e.Thread. ElapsedTime() < 300);
		e = step_over(); //Thread.Sleep(300);
		Assert.IsTrue (e.Thread. ElapsedTime() >= 300);
	}

	[Test]
	// Uses a fixed port
	[Category("NotWorking")]
	public void Attach () {
		vm.Exit (0);

		// Launch the app using server=y,suspend=n
		var pi = CreateStartInfo (new string[] { "--debugger-agent=transport=dt_socket,address=127.0.0.1:10000,server=y,suspend=n", dtest_app_path, "attach" });
		var process = Diag.Process.Start (pi);

		// Wait for the app to reach the Sleep () in attach ().
		Thread.Sleep (1000);
		var ep = new IPEndPoint (IPAddress.Loopback, 10000);
		vm = VirtualMachineManager.Connect (ep);

		var load_req = vm.CreateAssemblyLoadRequest ();
		load_req.Enable ();
		vm.EnableEvents (EventType.TypeLoad);

		Event vmstart = GetNextEvent ();
		Assert.AreEqual (EventType.VMStart, vmstart.EventType);

		// Get collected events
		bool assembly_load_found = false;
		bool type_load_found = false;
		while (true) {
			Event e = GetNextEvent ();

			// AssemblyLoad
			if (e is AssemblyLoadEvent) {
				var assemblyload = e as AssemblyLoadEvent;

				var amirror = assemblyload.Assembly;

				if (amirror.GetName ().Name == "System.Transactions") {
					assembly_load_found = true;
					Assert.AreEqual ("domain", amirror.Domain.FriendlyName);
				}

				if (amirror.GetName ().Name == "dtest-app")
					// Set a bp so we can break the event loop
					vm.SetBreakpoint (amirror.EntryPoint.DeclaringType.GetMethod ("attach_break"), 0);
			}
			if (e is TypeLoadEvent) {
				var typeload = e as TypeLoadEvent;

				if (typeload.Type.Name == "GCSettings") {
					type_load_found = true;
					Assert.AreEqual ("domain", typeload.Type.Assembly.Domain.FriendlyName);
				}
			}

			if (e is BreakpointEvent)
				break;
		}
		Assert.IsTrue (assembly_load_found);
		Assert.IsTrue (type_load_found);

		vm.Exit (0);
		vm = null;
	}

	[Test]
	[Category("NotWorking")]
	public void Hash ()
	{
		Event e = run_until ("Main");

		Location l = e.Thread.GetFrames ()[0].Location;

		using (FileStream fs = new FileStream (l.SourceFile, FileMode.Open, FileAccess.Read)) {
			Assert.AreEqual (MD5.Create ().ComputeHash (fs), l.SourceFileHash);
		}
	}

	[Test]
	public void Bug59649 ()
	{
		Event e = run_until ("Bug59649");

		var req = create_step (e);
		req.Filter = StepFilter.StaticCtor;
		req.Enable ();

		// Approach call instruction
		e = step_once ();
		//StackTraceDump (e);

		// Follow call
		e = step_into ();
		//StackTraceDump (e);

		e = step_into ();
		//StackTraceDump (e);

		// Is cctor in this bug, ends up in the static field constructor
		// DummyCall
		assert_location (e, "Call");
	}

	[Test]
	public void Pointer_GetValue () {
		var e = run_until ("pointer_arguments");
		var frame = e.Thread.GetFrames () [0];

		var param = frame.Method.GetParameters()[0];
		Assert.AreEqual("Int32*", param.ParameterType.Name);

		var pointerValue = frame.GetValue(param) as PointerValue;
		Assert.AreEqual("Int32*", pointerValue.Type.Name);

		AssertValue(1, pointerValue.Value);

		var pointerValue2 = new PointerValue (pointerValue.VirtualMachine, pointerValue.Type, pointerValue.Address + pointerValue.Type.GetElementType().GetValueSize());

		AssertValue(2, pointerValue2.Value);


		param = frame.Method.GetParameters()[1];
		Assert.AreEqual("BlittableStruct*", param.ParameterType.Name);

		pointerValue = frame.GetValue(param) as PointerValue;
		Assert.AreEqual("BlittableStruct*", pointerValue.Type.Name);

		var structValue = pointerValue.Value as StructMirror;
		Assert.AreEqual("BlittableStruct", structValue.Type.Name);

		object f = structValue.Fields[0];
		AssertValue (2, f);
		f = structValue.Fields[1];
		AssertValue (3.0, f);

	}

	[Test]
	public void InvokeGenericMethod () {
		Event e = run_until ("bp1");
		StackFrame frame = e.Thread.GetFrames()[0];
		TypeMirror t = frame.Method.DeclaringType;
		MethodMirror m;
		m = t.GetMethod ("generic_method");
		AssertThrows<ArgumentException> (delegate {
				t.InvokeMethod (e.Thread, m, null);
			});
	}

	[Test]
	public void InvokeRefReturnMethod () {
		Event e = run_until ("ref_return");
		StackFrame frame = e.Thread.GetFrames()[0];
		TypeMirror t = frame.Method.DeclaringType;
		MethodMirror m;

		m = t.GetMethod ("get_ref_int");
		var v = t.InvokeMethod (e.Thread, m, null);
		AssertValue (1, v);

		m = t.GetMethod ("get_ref_string");
		v = t.InvokeMethod (e.Thread, m, null);
		AssertValue ("byref", v);

		m = t.GetMethod ("get_ref_struct");
		v = t.InvokeMethod (e.Thread, m, null);
		Assert.IsTrue(v is StructMirror);

		var mirror = (StructMirror)v;
		AssertValue (1, mirror["i"]);
		AssertValue (2.0, mirror["d"]);
	}

	[Test]
	public void FieldWithUnsafeCastValue() {
		Event e = run_until("field_with_unsafe_cast_value");
		var req = create_step(e);
		req.Enable();
		e = step_once();
		e = step_over();
		e = step_over();
		e = step_over();
		e = step_over();
		e = step_over();
		var frame = e.Thread.GetFrames () [0];
		var ginst = frame.Method.GetLocal ("bytes");
		Value variable = frame.GetValue (ginst);
		StructMirror thisObj = (StructMirror)variable;
		TypeMirror thisType = thisObj.Type;
		variable = thisObj.InvokeMethod(e.Thread, thisType.GetMethod("ToString"), null);
		AssertValue ("abc", variable);

	}
} // class DebuggerTests
} // namespace