static void Validate_ReferenceTrackingAPIs_InvalidArgs()
{
Console.WriteLine($"Running {nameof(Validate_ReferenceTrackingAPIs_InvalidArgs)}...");
delegate * unmanaged <void> beginEndCallback;
delegate * unmanaged <IntPtr, int> isReferencedCallback;
delegate * unmanaged <IntPtr, void> trackedObjectEnteredFinalization;
NativeObjCMarshalTests.GetExports(out beginEndCallback, out isReferencedCallback, out trackedObjectEnteredFinalization);
Assert.Throws <ArgumentNullException>(
() =>
{
ObjectiveCMarshal.Initialize(null, isReferencedCallback, trackedObjectEnteredFinalization, OnUnhandledExceptionPropagationHandler);
});
Assert.Throws <ArgumentNullException>(
() =>
{
ObjectiveCMarshal.Initialize(beginEndCallback, null, trackedObjectEnteredFinalization, OnUnhandledExceptionPropagationHandler);
});
Assert.Throws <ArgumentNullException>(
() =>
{
ObjectiveCMarshal.Initialize(beginEndCallback, isReferencedCallback, null, OnUnhandledExceptionPropagationHandler);
});
Assert.Throws <ArgumentNullException>(
() =>
{
ObjectiveCMarshal.Initialize(beginEndCallback, isReferencedCallback, trackedObjectEnteredFinalization, null);
});
Assert.Throws <ArgumentNullException>(
() =>
{
ObjectiveCMarshal.CreateReferenceTrackingHandle(null, out _);
});
}
// See "Toggle-ref support for CoreCLR" in coreclr-bridge.m for more information.
internal static void RegisterToggleReferenceCoreCLR(NSObject obj, IntPtr handle, bool isCustomType)
{
var gchandle = ObjectiveCMarshal.CreateReferenceTrackingHandle(obj, out var info);
unsafe {
TrackedObjectInfo *tracked_info;
fixed(void *ptr = info)
tracked_info = (TrackedObjectInfo *)ptr;
tracked_info->Handle = handle;
tracked_info->Flags = obj.FlagsInternal;
obj.tracked_object_info = tracked_info;
obj.tracked_object_handle = gchandle;
log_coreclr($"RegisterToggleReferenceCoreCLR ({obj.GetType ().FullName}, 0x{handle.ToString ("x")}, {isCustomType}) => Info=0x{((IntPtr) tracked_info).ToString ("x")} Flags={tracked_info->Flags}");
}
// Make sure the GCHandle we have is a weak one for custom types.
if (isCustomType)
{
xamarin_switch_gchandle(handle, true);
}
}