public async Task BufferingDataPastEndOfStreamCanBeReadAgain()
{
var helloBytes = Encoding.ASCII.GetBytes("Hello World");
var stream = new ThrowAfterZeroByteReadStream(helloBytes);
PipeReader reader = PipeReader.Create(stream);
ReadResult readResult = await reader.ReadAsync();
ReadOnlySequence <byte> buffer = readResult.Buffer;
reader.AdvanceTo(buffer.Start, buffer.End);
// Make sure IsCompleted is true
readResult = await reader.ReadAsync();
buffer = readResult.Buffer;
reader.AdvanceTo(buffer.Start, buffer.End);
Assert.True(readResult.IsCompleted);
var value = await ReadFromPipeAsString(reader);
Assert.Equal("Hello World", value);
reader.Complete();
}
public async Task BufferingDataPastEndOfStreamCanBeReadAgain()
{
var protocol = new TestProtocol();
var stream = new ThrowAfterZeroByteReadStream();
var writer = PipeWriter.Create(stream);
var reader = new MessagePipeReader(PipeReader.Create(stream), protocol);
protocol.WriteMessage(Encoding.ASCII.GetBytes("Hello World"), writer);
await writer.FlushAsync().ConfigureAwait(false);
stream.Position = 0;
var readResult = await reader.ReadAsync();
var buffer = readResult.Buffer;
reader.AdvanceTo(buffer.Start, buffer.End);
// Make sure IsCompleted is true
readResult = await reader.ReadAsync();
buffer = readResult.Buffer;
reader.AdvanceTo(buffer.Start, buffer.End);
Assert.True(readResult.IsCompleted);
var value = await ReadFromPipeAsString(reader);
Assert.Equal("Hello World", value);
reader.Complete();
}
public async Task ReadAsyncAfterReceivingCompletedReadResultDoesNotThrow()
{
Stream = new ThrowAfterZeroByteReadStream();
Reader = new StreamPipeReader(Stream);
var readResult = await Reader.ReadAsync();
readResult = await Reader.ReadAsync();
Assert.True(readResult.Buffer.IsEmpty);
Assert.True(readResult.IsCompleted);
}
public async Task ReadAsyncAfterReceivingCompletedReadResultDoesNotThrow()
{
var stream = new ThrowAfterZeroByteReadStream();
PipeReader reader = PipeReader.Create(stream);
ReadResult readResult = await reader.ReadAsync();
Assert.True(readResult.Buffer.IsEmpty);
Assert.True(readResult.IsCompleted);
reader.AdvanceTo(readResult.Buffer.End);
readResult = await reader.ReadAsync();
Assert.True(readResult.Buffer.IsEmpty);
Assert.True(readResult.IsCompleted);
reader.AdvanceTo(readResult.Buffer.End);
reader.Complete();
}