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Fix bug in test regarding GC'd delegate instance. #34901

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Apr 13, 2020
Merged

Fix bug in test regarding GC'd delegate instance. #34901

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34 changes: 17 additions & 17 deletions src/coreclr/tests/src/Interop/MarshalAPI/FunctionPointer/SingleMulticastTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,35 +10,35 @@ partial class FunctionPtr
public delegate bool DelegateWithLong(long l); //Singlecast delegate
public delegate void MultiDelegateWithLong(long l); //Multicast delegate

public static DelegateWithLong s_DelWithLongBool = new DelegateWithLong(MethodWithLongBool);
public static MultiDelegateWithLong s_MultidelWithLong = new MultiDelegateWithLong(MethodWithLong);

public static void RunGetFcnPtrSingleMulticastTest()
{
Console.WriteLine($"Running {nameof(RunGetFcnPtrSingleMulticastTest)}...");

DelegateWithLong del = new DelegateWithLong(Method);
MultiDelegateWithLong multidel = new MultiDelegateWithLong(Method2);

{
IntPtr fcnptr = Marshal.GetFunctionPointerForDelegate<DelegateWithLong>(del);
IntPtr fcnptr = Marshal.GetFunctionPointerForDelegate<DelegateWithLong>(s_DelWithLongBool);
Assert.IsTrue(FunctionPointerNative.CheckFcnPtr(fcnptr));
}

{
IntPtr fcnptr = Marshal.GetFunctionPointerForDelegate<MultiDelegateWithLong>(multidel);
IntPtr fcnptr = Marshal.GetFunctionPointerForDelegate<MultiDelegateWithLong>(s_MultidelWithLong);
FunctionPointerNative.CheckFcnPtr(fcnptr);
}
}

bool Method(long l)
{
if (l != 999999999999)
return false;
else
return true;
}
private static bool MethodWithLongBool(long l)
{
if (l != 999999999999)
return false;
else
return true;
}

void Method2(long l)
{
if (l != 999999999999)
throw new Exception("Failed multicast call");
}
private static void MethodWithLong(long l)
{
if (l != 999999999999)
throw new Exception("Failed multicast call");
}
}