79 changes: 79 additions & 0 deletions lldb/test/lang/go/runtime/TestGoASTContext.py
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"""Test the go dynamic type handling."""

import os, time
import unittest2
import lldb
import lldbutil
from lldbtest import *

class TestGoLanguageRuntime(TestBase):

mydir = TestBase.compute_mydir(__file__)

@python_api_test
@skipIfRemote # Not remote test suite ready
@skipUnlessGoInstalled
def test_with_dsym_and_python_api(self):
"""Test GoASTContext dwarf parsing."""
self.buildGo()
self.launchProcess()
self.go_interface_types()

def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break inside main().
self.main_source = "main.go"
self.break_line1 = line_number(self.main_source, '// Set breakpoint 1')
self.break_line2 = line_number(self.main_source, '// Set breakpoint 2')


def launchProcess(self):
exe = os.path.join(os.getcwd(), "a.out")

target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)

bpt1 = target.BreakpointCreateByLocation(self.main_source, self.break_line1)
self.assertTrue(bpt1, VALID_BREAKPOINT)
bpt2 = target.BreakpointCreateByLocation(self.main_source, self.break_line2)
self.assertTrue(bpt2, VALID_BREAKPOINT)

# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (None, None, self.get_process_working_directory())

self.assertTrue(process, PROCESS_IS_VALID)

# The stop reason of the thread should be breakpoint.
thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, bpt1)

# Make sure we stopped at the first breakpoint.
self.assertTrue (len(thread_list) != 0, "No thread stopped at our breakpoint.")
self.assertTrue (len(thread_list) == 1, "More than one thread stopped at our breakpoint.")

frame = thread_list[0].GetFrameAtIndex(0)
self.assertTrue (frame, "Got a valid frame 0 frame.")

def go_interface_types(self):
f = self.frame()
v = f.FindVariable("a", lldb.eDynamicCanRunTarget)
self.assertEqual("*int", v.GetType().name)
self.assertEqual(1, v.Dereference().GetValueAsSigned())
v = f.FindVariable("b", lldb.eDynamicCanRunTarget)
self.assertEqual("*float64", v.GetType().name)
err = lldb.SBError()
self.assertEqual(2.0, v.Dereference().GetData().GetDouble(err, 0))
v = f.FindVariable("c", lldb.eDynamicCanRunTarget)
self.assertEqual("*main.SomeFooer", v.GetType().name)
self.assertEqual(9, v.Dereference().GetChildAtIndex(0).GetValueAsSigned())
v = f.FindVariable("d", lldb.eDynamicCanRunTarget)
self.assertEqual("*main.AnotherFooer", v.GetType().name)
self.assertEqual(-1, v.Dereference().GetChildAtIndex(0).GetValueAsSigned())
self.assertEqual(-2, v.Dereference().GetChildAtIndex(1).GetValueAsSigned())
self.assertEqual(-3, v.Dereference().GetChildAtIndex(2).GetValueAsSigned())

if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
38 changes: 38 additions & 0 deletions lldb/test/lang/go/runtime/main.go
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package main

import "fmt"

type Fooer interface {
Foo() int
}

type SomeFooer struct {
val int
}

func (s SomeFooer) Foo() int {
return s.val
}

type AnotherFooer struct {
a, b, c int
}

func (s AnotherFooer) Foo() int {
return s.a
}


func printEface(a, b, c, d interface{}) {
fmt.Println(a, b, c, d) // Set breakpoint 1
}

func printIface(a, b Fooer) {
fmt.Println(a, b) // Set breakpoint 2
}
func main() {
sf := SomeFooer{9}
af := AnotherFooer{-1, -2, -3}
printEface(1,2.0, sf, af)
printIface(sf, af)
}