public void ThrowsForInvalidParameters(int arrayLength, int offset, int length)
{
var writer = OutputWriter.Create(_pipe.Writer);
var array = new byte[arrayLength];
for (int i = 0; i < array.Length; i++)
{
array[i] = (byte)(i + 1);
}
writer.Write(new Span <byte>(array, 0, 0));
writer.Write(new Span <byte>(array, array.Length, 0));
try
{
writer.Write(new Span <byte>(array, offset, length));
Assert.True(false);
}
catch (Exception ex)
{
Assert.True(ex is ArgumentOutOfRangeException);
}
writer.Write(new Span <byte>(array, 0, array.Length));
Assert.Equal(array, Read());
}
public void CanWriteIntoHeadlessBuffer()
{
var writer = OutputWriter.Create(_pipe.Writer);
writer.Write(new byte[] { 1, 2, 3 });
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
private Task WriteAsync(
ArraySegment <byte> buffer,
CancellationToken cancellationToken)
{
var writableBuffer = default(PipeWriter);
long bytesWritten = 0;
lock (_contextLock)
{
if (_completed)
{
return(Task.CompletedTask);
}
writableBuffer = _pipeWriter;
var writer = OutputWriter.Create(writableBuffer);
if (buffer.Count > 0)
{
writer.Write(new ReadOnlySpan <byte>(buffer.Array, buffer.Offset, buffer.Count));
bytesWritten += buffer.Count;
}
writableBuffer.Commit();
}
return(FlushAsync(writableBuffer, bytesWritten, cancellationToken));
}
public void ExposesSpan()
{
var initialLength = _pipe.Writer.GetMemory().Length;
var writer = OutputWriter.Create(_pipe.Writer);
Assert.Equal(initialLength, writer.Span.Length);
Assert.Equal(new byte[] { }, Read());
}
public void ExposesSpan()
{
_buffer = _pipe.Writer.Alloc(1);
var writer = OutputWriter.Create(_buffer);
Assert.Equal(_buffer.Buffer.Length, writer.Span.Length);
Assert.Equal(new byte[] { }, Read());
}
public void ExposesSpan()
{
int initialLength = Pipe.Writer.GetMemory().Length;
OutputWriter <PipeWriter> writer = OutputWriter.Create(Pipe.Writer);
Assert.Equal(initialLength, writer.Span.Length);
Assert.Equal(new byte[] { }, Read());
}
public void CanWriteWithOffsetAndLenght(int alloc, int offset, int length)
{
var writer = OutputWriter.Create(_pipe.Writer);
var array = new byte[] { 1, 2, 3 };
writer.Write(new Span <byte>(array, offset, length));
Assert.Equal(array.Skip(offset).Take(length).ToArray(), Read());
}
public void CanWriteIntoHeadlessBuffer()
{
OutputWriter <PipeWriter> writer = OutputWriter.Create(Pipe.Writer);
writer.Write(new byte[] { 1, 2, 3 });
writer.Commit();
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void EnsureAllocatesSpan()
{
var writer = OutputWriter.Create(_pipe.Writer);
writer.Ensure(10);
Assert.True(writer.Span.Length > 10);
Assert.Equal(new byte[] {}, Read());
}
public void CanWriteEmpty()
{
var writer = OutputWriter.Create(_pipe.Writer);
var array = new byte[] { };
writer.Write(array);
writer.Write(new Span <byte>(array, 0, array.Length));
Assert.Equal(array, Read());
}
public void CanWriteMultipleTimes()
{
var writer = OutputWriter.Create(_pipe.Writer);
writer.Write(new byte[] { 1 });
writer.Write(new byte[] { 2 });
writer.Write(new byte[] { 3 });
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void CanWriteMultipleTimes()
{
OutputWriter <PipeWriter> writer = OutputWriter.Create(Pipe.Writer);
writer.Write(new byte[] { 1 });
writer.Write(new byte[] { 2 });
writer.Write(new byte[] { 3 });
writer.Commit();
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void SlicesSpanAndAdvancesAfterWrite()
{
var initialLength = _pipe.Writer.GetMemory().Length;
var writer = OutputWriter.Create(_pipe.Writer);
writer.Write(new byte[] { 1, 2, 3 });
Assert.Equal(initialLength - 3, writer.Span.Length);
Assert.Equal(_pipe.Writer.GetMemory().Length, writer.Span.Length);
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void CanWriteOverTheBlockLength()
{
var memory = _pipe.Writer.GetMemory();
var writer = OutputWriter.Create(_pipe.Writer);
var source = Enumerable.Range(0, memory.Length).Select(i => (byte)i);
var expectedBytes = source.Concat(source).Concat(source).ToArray();
writer.Write(expectedBytes);
Assert.Equal(expectedBytes, Read());
}
void ObjectOutput(object color, PrintOptionsImpl printOptions, object value, bool startOnNewLine = false)
{
var writable = GetOutputWritable(printOptions, value);
if (writable != null)
{
writable.WriteTo(OutputWriter.Create(this, startOnNewLine));
}
else
{
ReplEditor.OutputPrint(Format(value, printOptions.RoslynPrintOptions), color, startOnNewLine);
}
}
public void WriteAsciiNoValidationWritesOnlyOneBytePerChar(string input)
{
// WriteAscii doesn't validate if characters are in the ASCII range
// but it shouldn't produce more than one byte per character
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
writer.WriteAsciiNoValidation(input);
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
Assert.Equal(input.Length, reader.Buffer.Length);
}
public void CanWriteOverTheBlockLength()
{
Memory <byte> memory = Pipe.Writer.GetMemory();
OutputWriter <PipeWriter> writer = OutputWriter.Create(Pipe.Writer);
IEnumerable <byte> source = Enumerable.Range(0, memory.Length).Select(i => (byte)i);
byte[] expectedBytes = source.Concat(source).Concat(source).ToArray();
writer.Write(expectedBytes);
Assert.Equal(expectedBytes, Read());
}
public void SlicesSpanAndAdvancesAfterWrite()
{
_buffer = _pipe.Writer.Alloc(1);
var initialLength = _buffer.Buffer.Length;
var writer = OutputWriter.Create(_buffer);
writer.Write(new byte[] { 1, 2, 3 });
Assert.Equal(initialLength - 3, writer.Span.Length);
Assert.Equal(_buffer.Buffer.Length, writer.Span.Length);
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void SlicesSpanAndAdvancesAfterWrite()
{
int initialLength = Pipe.Writer.GetMemory().Length;
OutputWriter <PipeWriter> writer = OutputWriter.Create(Pipe.Writer);
writer.Write(new byte[] { 1, 2, 3 });
writer.Commit();
Assert.Equal(initialLength - 3, writer.Span.Length);
Assert.Equal(Pipe.Writer.GetMemory().Length, writer.Span.Length);
Assert.Equal(new byte[] { 1, 2, 3 }, Read());
}
public void WritesNumericToAscii(ulong number)
{
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
writer.WriteNumeric(number);
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
var numAsStr = number.ToString();
var expected = Encoding.ASCII.GetBytes(numAsStr);
AssertExtensions.Equal(expected, reader.Buffer.Slice(0, numAsStr.Length).ToArray());
}
public void WriteResponseHeaders(int statusCode, string reasonPhrase, HttpResponseHeaders responseHeaders)
{
lock (_contextLock)
{
if (_completed)
{
return;
}
var buffer = _pipeWriter;
var writer = OutputWriter.Create(buffer);
writer.Write(_bytesHttpVersion11);
var statusBytes = ReasonPhrases.ToStatusBytes(statusCode, reasonPhrase);
writer.Write(statusBytes);
responseHeaders.CopyTo(ref writer);
writer.Write(_bytesEndHeaders);
buffer.Commit();
}
}
public void EncodesAsAscii(string input, byte[] expected)
{
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
writer.WriteAsciiNoValidation(input);
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
if (expected.Length > 0)
{
AssertExtensions.Equal(
expected,
reader.Buffer.ToArray());
}
else
{
Assert.Equal(0, reader.Buffer.Length);
}
}
public void WriteAsciiNoValidation()
{
const byte maxAscii = 0x7f;
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
for (var i = 0; i < maxAscii; i++)
{
writer.WriteAsciiNoValidation(new string((char)i, 1));
}
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
var data = reader.Buffer.Slice(0, maxAscii).ToArray();
for (var i = 0; i < maxAscii; i++)
{
Assert.Equal(i, data[i]);
}
}
public void WritesNumericAcrossSpanBoundaries(int gapSize)
{
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
// almost fill up the first block
var spacer = new byte[writer.Span.Length - gapSize];
writer.Write(spacer);
var bufferLength = writer.Span.Length;
writer.WriteNumeric(ulong.MaxValue);
Assert.NotEqual(bufferLength, writer.Span.Length);
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
var numAsString = ulong.MaxValue.ToString();
var written = reader.Buffer.Slice(spacer.Length, numAsString.Length);
Assert.False(written.IsSingleSegment, "The buffer should cross spans");
AssertExtensions.Equal(Encoding.ASCII.GetBytes(numAsString), written.ToArray());
}
public void WritesAsciiAcrossBlockBoundaries(int stringLength, int gapSize)
{
var testString = new string(' ', stringLength);
var writerBuffer = _pipe.Writer;
var writer = OutputWriter.Create(writerBuffer);
// almost fill up the first block
var spacer = new byte[writer.Span.Length - gapSize];
writer.Write(spacer);
Assert.Equal(gapSize, writer.Span.Length);
var bufferLength = writer.Span.Length;
writer.WriteAsciiNoValidation(testString);
Assert.NotEqual(bufferLength, writer.Span.Length);
writerBuffer.FlushAsync().GetAwaiter().GetResult();
var reader = _pipe.Reader.ReadAsync().GetAwaiter().GetResult();
var written = reader.Buffer.Slice(spacer.Length, stringLength);
Assert.False(written.IsSingleSegment, "The buffer should cross spans");
AssertExtensions.Equal(Encoding.ASCII.GetBytes(testString), written.ToArray());
}
