public void TestFailDoesNotAllowThen()
{
promise
.Then(NoArgCallback)
.Fail(FailCallback)
.Progress(ProgressCallback);
promise.ReportFail(new Exception(exceptionStr));
promise.Then(NoArgCallbackTwo);
Assert.AreEqual(0, promise.ListenerCount());
}
public void TestCannotAddListenerTwiceFour()
{
promiseFourArg
.Then(FourArgCallback)
.Then(FourArgCallback);
Assert.AreEqual(1, promiseFourArg.ListenerCount());
}