private static void ValidateSetMessageSendPendingExceptionImpl(MessageSendFunction msgSend)
{
if (!LibObjC.SupportedOnPlatform(msgSend))
{
return;
}
IntPtr func = msgSend switch
{
MessageSendFunction.MsgSend => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSend,
MessageSendFunction.MsgSendFpret => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSendFpret,
MessageSendFunction.MsgSendStret => (IntPtr)(delegate * unmanaged <IntPtr *, IntPtr, IntPtr, void>) & MsgSendStret,
MessageSendFunction.MsgSendSuper => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSendSuper,
MessageSendFunction.MsgSendSuperStret => (IntPtr)(delegate * unmanaged <IntPtr *, IntPtr, IntPtr, void>) & MsgSendSuperStret,
_ => throw new Exception($"Unknown {nameof(MessageSendFunction)}"),
};
// Override message send function
//
// We are using the overriding mechanism to enable validating in the Libraries test suite.
// Technically any Objective-C code that is entered via msgSend could call the managed SetMessageSendPendingException()
// and it would be thrown when returning from the P/Invoke. This approach avoids us having to
// create a pure Objective-C library for testing this behavior.
ObjectiveCMarshal.SetMessageSendCallback(msgSend, func);
// Call message send function through P/Invoke
IntPtr inst = IntPtr.Zero;
IntPtr sel = IntPtr.Zero;
Exception ex = Assert.Throws <PendingException>(() => LibObjC.CallPInvoke(msgSend, inst, sel));
Assert.Equal(msgSend.ToString(), ex.Message);
}
public void ValidateSetMessageSendPendingException(MessageSendFunction func)
{
// Pass functions to override as a string for remote execution
RemoteExecutor.Invoke((string funcToOverrideAsStr) =>
{
MessageSendFunction msgSend = Enum.Parse <MessageSendFunction>(funcToOverrideAsStr);
Assert.True(Enum.IsDefined <MessageSendFunction>(msgSend));
ValidateSetMessageSendPendingExceptionImpl(msgSend);
}, func.ToString()).Dispose();
}
public void ValidateSetMessageSendPendingException(MessageSendFunction func)
{
// Pass functions to override as a string for remote execution
RemoteExecutor.Invoke((string funcToOverrideAsStr) =>
{
MessageSendFunction msgSend = Enum.Parse <MessageSendFunction>(funcToOverrideAsStr);
Assert.True(Enum.IsDefined <MessageSendFunction>(msgSend));
ValidateSetMessageSendPendingExceptionImpl(msgSend);
// TODO: Remove once https://github.com/dotnet/arcade/issues/5865 is resolved
// RemoteExecutor currently only checks the expected exit code if the invoked function returns an int.
// Check the exit code to ensure the test will fail if there was a crash that could not be caught by the executor.
return(RemoteExecutor.SuccessExitCode);
}, func.ToString()).Dispose();
}
