public async Task CancelPendingRead_CancelThenResumeReading_ReturnData()
{
// Arrange
var testPipe = new Pipe();
await testPipe.Writer.WriteAsync(new byte[] { (byte)'A' }).AsTask().DefaultTimeout();
var r = new Base64PipeReader(testPipe.Reader);
// Act 1
var readTask = r.ReadAsync().AsTask().DefaultTimeout();
r.CancelPendingRead();
var result = await readTask.DefaultTimeout();
// Assert 1
Assert.IsTrue(result.IsCanceled);
// Act 2
r.AdvanceTo(result.Buffer.Start, result.Buffer.End);
await testPipe.Writer.WriteAsync(new byte[] { (byte)'A', (byte)'=', (byte)'=' }).AsTask().DefaultTimeout();
result = await r.ReadAsync().AsTask().DefaultTimeout();
// Assert 2
CollectionAssert.AreEqual(Convert.FromBase64String("AA=="), result.Buffer.ToArray());
}
public async Task CancelPendingRead_CancelOnFirstRead_CancelResult()
{
// Arrange
var testPipe = new Pipe();
var r = new Base64PipeReader(testPipe.Reader);
// Act
var readTask = r.ReadAsync().AsTask().DefaultTimeout();
r.CancelPendingRead();
var result = await readTask;
// Assert
Assert.IsTrue(result.IsCanceled);
}
public async Task CancelPendingRead_CancelOnSecondRead_CancelResult()
{
// Arrange
var testPipe = new Pipe();
await testPipe.Writer.WriteAsync(new byte[] { (byte)'a' }).AsTask().DefaultTimeout();
var r = new Base64PipeReader(testPipe.Reader);
// Act
var readTask = r.ReadAsync().AsTask().DefaultTimeout();
r.CancelPendingRead();
var result = await readTask;
// Assert
Assert.IsTrue(result.IsCanceled);
}