public void TimeoutTest()
{
var pipe = new Pipe { OutputStream = { ReadTimeout = 0 } };
UnitTestHelpers.AssertThrows<TimeoutException>(() => pipe.OutputStream.ReadByte());
pipe.WriteText(new string('a', 2048));
pipe.ReadTextAsync(2048).Result.ShouldEqual(new string('a', 2048));
}
public void TestWriteTimeout()
{
var pipe = new Pipe { InputStream = { WriteTimeout = 0 } };
pipe.SetFixedLength();
pipe.WriteText(new string('a', 2 * Constants.ByteBufferSize));
var asyncWrite = pipe.InputStream.WriteAsync(new byte[1], 0, 1);
asyncWrite.ContinueWith(_ => { }).Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(true);
asyncWrite.IsFaulted.ShouldEqual(true);
Assert.IsInstanceOfType(asyncWrite.Exception.InnerException, typeof(TimeoutException));
}
public void SimpleTest()
{
var pipe = new Pipe();
pipe.WriteText("abc");
pipe.ReadTextAsync(3).Result.ShouldEqual("abc");
pipe.WriteText("1");
pipe.WriteText("2");
pipe.WriteText("3");
pipe.ReadTextAsync(3).Result.ShouldEqual("123");
var asyncRead = pipe.ReadTextAsync(100);
asyncRead.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false, asyncRead.IsCompleted ? "Found: " + (asyncRead.Result ?? "null") : "not complete");
pipe.WriteText("x");
asyncRead.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false, asyncRead.IsCompleted ? "Found: " + (asyncRead.Result ?? "null") : "not complete");
pipe.WriteText(new string('y', 100));
asyncRead.Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true, asyncRead.IsCompleted ? "Found: " + (asyncRead.Result ?? "null") : "not complete");
asyncRead.Result.ShouldEqual("x" + new string('y', 99));
}
public void TestCancel()
{
var pipe = new Pipe();
var cancellationTokenSource = new CancellationTokenSource();
var asyncRead = pipe.ReadTextAsync(1, cancellationTokenSource.Token);
asyncRead.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false);
cancellationTokenSource.Cancel();
asyncRead.ContinueWith(_ => { }).Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
asyncRead.IsCanceled.ShouldEqual(true);
pipe.WriteText("aaa");
pipe.ReadTextAsync(2).Result.ShouldEqual("aa");
asyncRead = pipe.ReadTextAsync(1, cancellationTokenSource.Token);
asyncRead.ContinueWith(_ => { }).Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
asyncRead.IsCanceled.ShouldEqual(true);
}
public void TestCloseReadSide()
{
var pipe = new Pipe();
pipe.WriteText("abc");
pipe.ReadTextAsync(2).Result.ShouldEqual("ab");
pipe.OutputStream.Close();
UnitTestHelpers.AssertThrows<ObjectDisposedException>(() => pipe.OutputStream.ReadByte());
var largeBytes = new byte[10 * 1024];
var initialMemory = GC.GetTotalMemory(forceFullCollection: true);
for (var i = 0; i < int.MaxValue / 1024; ++i)
{
pipe.InputStream.Write(largeBytes, 0, largeBytes.Length);
}
var finalMemory = GC.GetTotalMemory(forceFullCollection: true);
Assert.IsTrue(finalMemory - initialMemory < 10 * largeBytes.Length, "final = " + finalMemory + " initial = " + initialMemory);
UnitTestHelpers.AssertThrows<ObjectDisposedException>(() => pipe.OutputStream.ReadByte());
pipe.InputStream.Close();
}
public void TestCloseWriteSide()
{
var pipe = new Pipe();
pipe.WriteText("123456");
pipe.InputStream.Close();
UnitTestHelpers.AssertThrows<ObjectDisposedException>(() => pipe.InputStream.WriteByte(1));
pipe.ReadTextAsync(5).Result.ShouldEqual("12345");
pipe.ReadTextAsync(2).Result.ShouldEqual(null);
pipe = new Pipe();
var asyncRead = pipe.ReadTextAsync(1);
asyncRead.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false);
pipe.InputStream.Close();
asyncRead.Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
}
public void TestPartialWriteDoesNotCancel()
{
var pipe = new Pipe();
var cancellationTokenSource = new CancellationTokenSource();
pipe.WriteText(new string('a', 2 * Constants.ByteBufferSize));
var asyncRead = pipe.ReadTextAsync(1);
asyncRead.Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
asyncRead.Result.ShouldEqual("a");
pipe.SetFixedLength();
var bytes = Enumerable.Repeat((byte)'b', Constants.ByteBufferSize).ToArray();
var asyncWrite = pipe.InputStream.WriteAsync(bytes, 0, bytes.Length, cancellationTokenSource.Token);
asyncWrite.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false);
cancellationTokenSource.Cancel();
asyncWrite.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false);
asyncRead = pipe.ReadTextAsync((3 * Constants.ByteBufferSize) - 1);
asyncRead.Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
asyncRead.Result.ShouldEqual(new string('a', (2 * Constants.ByteBufferSize) - 1) + new string('b', Constants.ByteBufferSize));
}
public void TestCancelWrite()
{
var pipe = new Pipe();
var cancellationTokenSource = new CancellationTokenSource();
pipe.WriteText(new string('a', 2 * Constants.ByteBufferSize));
pipe.SetFixedLength();
var bytes = Enumerable.Repeat((byte)'b', Constants.ByteBufferSize).ToArray();
var asyncWrite = pipe.InputStream.WriteAsync(bytes, 0, bytes.Length, cancellationTokenSource.Token);
asyncWrite.Wait(TimeSpan.FromSeconds(.01)).ShouldEqual(false);
cancellationTokenSource.Cancel();
asyncWrite.ContinueWith(_ => { }).Wait(TimeSpan.FromSeconds(5)).ShouldEqual(true);
asyncWrite.IsCanceled.ShouldEqual(true);
}