Exemplo n.º 1
0
        public void Wait50Millisec_UpdateAfter300Millisec_TotalWaitingIsApprox800Millisec()
        {
            var spin = new UpdateableSpin();

            var watcher = new Stopwatch();

            watcher.Start();

            const int timeout          = 500;
            const int spanBeforeUpdate = 300;

            Task.Factory.StartNew(() =>
            {
                Thread.Sleep(spanBeforeUpdate);
                spin.UpdateTimeout();
            });

            spin.Wait(TimeSpan.FromMilliseconds(timeout));

            watcher.Stop();

            TimeSpan  actual   = TimeSpan.FromMilliseconds(watcher.ElapsedMilliseconds);
            const int expected = timeout + spanBeforeUpdate;

            TimeSpan left  = TimeSpan.FromMilliseconds(expected - (expected * 0.1));
            TimeSpan right = TimeSpan.FromMilliseconds(expected + (expected * 0.1));

            Assert.IsTrue(actual > left && actual < right);
        }
Exemplo n.º 2
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        public void Wait_NoPulse_ReturnsFalse()
        {
            UpdateableSpin spin      = new UpdateableSpin();
            bool           wasPulsed = spin.Wait(TimeSpan.FromMilliseconds(10));

            Assert.IsFalse(wasPulsed);
        }
Exemplo n.º 3
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        public void Wait_Pulse_ReturnsTrue()
        {
            UpdateableSpin spin = new UpdateableSpin();

            Task.Factory.StartNew(() =>
            {
                Thread.Sleep(100);
                spin.Set();
            });
            bool wasPulsed = spin.Wait(TimeSpan.FromSeconds(10));

            Assert.IsTrue(wasPulsed);
        }
Exemplo n.º 4
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        public void Wait50Millisec_ActuallyWaitingFor50Millisec()
        {
            var spin = new UpdateableSpin();

            Stopwatch watcher = new Stopwatch();

            watcher.Start();

            spin.Wait(TimeSpan.FromMilliseconds(50));

            watcher.Stop();

            TimeSpan actual       = TimeSpan.FromMilliseconds(watcher.ElapsedMilliseconds);
            TimeSpan leftEpsilon  = TimeSpan.FromMilliseconds(50 - (50 * 0.1));
            TimeSpan rightEpsilon = TimeSpan.FromMilliseconds(50 + (50 * 0.1));

            Assert.IsTrue(actual > leftEpsilon && actual < rightEpsilon);
        }