private static void TestFunctionPointer()
{
int expectedValue = 987654;
int TestFunction() => expectedValue;
Assert.True(ValidateDelegateReturnsExpected(expectedValue, TestFunction));
{
TestDelegate localDelegate = TestFunction;
Assert.True(ReplaceDelegate(expectedValue, ref localDelegate, out int newExpectedValue));
Assert.Equal(newExpectedValue, localDelegate());
}
{
GetNativeTestFunction(out TestDelegate test, out int value);
Assert.Equal(value, test());
}
{
var returned = GetNativeTestFunctionReturned(out int value);
Assert.Equal(value, returned());
}
{
CallbackWithExpectedValue cb = new CallbackWithExpectedValue
{
expectedValue = expectedValue,
del = TestFunction
};
Assert.True(ValidateCallbackWithValue(cb));
}
{
CallbackWithExpectedValue cb = new CallbackWithExpectedValue
{
expectedValue = expectedValue,
del = TestFunction
};
Assert.True(ValidateAndUpdateCallbackWithValue(ref cb));
Assert.Equal(cb.expectedValue, cb.del());
}
{
GetNativeCallbackAndValue(out CallbackWithExpectedValue cb);
Assert.Equal(cb.expectedValue, cb.del());
}
}
public static extern bool GetNativeCallbackAndValue(out CallbackWithExpectedValue val);
public static extern bool ValidateAndUpdateCallbackWithValue(ref CallbackWithExpectedValue val);
