ALE.Tests.Promise_Tests.PromiseError_Test C# (CSharp) Method

        public void PromiseError_Test()
        {
            var handle = new ManualResetEvent(false);
            Promise.To((deferrer) =>
                {
                    Do.Timeout(() => deferrer.Reject("Testing rejection."), 400);
                }).Error((reason) =>
                    {
                        handle.Set();
                    });
            if (!handle.WaitOne(600))
            {
                Assert.Fail();
            }
        }