Test with inaccessible method

dotnet · Jun 13, 2016 · bc3bd43 · bc3bd43
1 parent 0e0bda3
commit bc3bd43
Showing 1 changed file with 30 additions and 0 deletions.
diff --git a/src/Compilers/CSharp/Test/Emit/CodeGen/CodeGenDeconstructTests.cs b/src/Compilers/CSharp/Test/Emit/CodeGen/CodeGenDeconstructTests.cs
@@ -2061,6 +2061,36 @@ static void Main()
                 );
         }
 
+        [Fact]
+        public void DeconstructMethodInaccessible()
+        {
+            string source = @"
+class C
+{
+    static void Main()
+    {
+        int x;
+        string y;
+
+        (x, y) = new C1();
+    }
+}
+class C1
+{
+    protected void Deconstruct(out int a, out string b) { a = 1; b = ""hello""; }
+}
+";
+            var comp = CreateCompilationWithMscorlib(source, references: new[] { ValueTupleRef, SystemRuntimeFacadeRef }, parseOptions: TestOptions.Regular.WithTuplesFeature());
+            comp.VerifyDiagnostics(
+                // (9,18): error CS0122: 'C1.Deconstruct(out int, out string)' is inaccessible due to its protection level
+                //         (x, y) = new C1();
+                Diagnostic(ErrorCode.ERR_BadAccess, "new C1()").WithArguments("C1.Deconstruct(out int, out string)").WithLocation(9, 18),
+                // (9,18): error CS8206: No Deconstruct instance or extension method was found for type 'C1', with 2 out parameters.
+                //         (x, y) = new C1();
+                Diagnostic(ErrorCode.ERR_MissingDeconstruct, "new C1()").WithArguments("C1", "2").WithLocation(9, 18)
+                );
+        }
+
         [Fact]
         public void StaticDeconstruct()
         {