public void MoveTo_CopiesContentToStream()
{
// Arrange
var input = Enumerable.Repeat((byte)0xba, PagedByteBuffer.PageSize * 3 + 10).ToArray();
using var buffer = new PagedByteBuffer(ArrayPool <byte> .Shared);
buffer.Add(input, 0, input.Length);
var stream = new MemoryStream();
// Act
buffer.MoveTo(stream);
// Assert
Assert.Equal(input, stream.ToArray());
// Verify moving new content works.
var newInput = Enumerable.Repeat((byte)0xcb, PagedByteBuffer.PageSize * 2 + 13).ToArray();
buffer.Add(newInput, 0, newInput.Length);
stream.SetLength(0);
buffer.MoveTo(stream);
Assert.Equal(newInput, stream.ToArray());
}
public void MoveTo_WithClear_ReturnsBuffers()
{
// Arrange
var input = new byte[] { 1, };
var arrayPool = new Mock <ArrayPool <byte> >();
var byteArray = new byte[PagedByteBuffer.PageSize];
arrayPool.Setup(p => p.Rent(PagedByteBuffer.PageSize))
.Returns(byteArray);
arrayPool.Setup(p => p.Return(byteArray, false)).Verifiable();
var memoryStream = new MemoryStream();
using (var buffer = new PagedByteBuffer(arrayPool.Object))
{
// Act
buffer.Add(input, 0, input.Length);
buffer.MoveTo(memoryStream);
// Assert
Assert.Equal(input, memoryStream.ToArray());
}
arrayPool.Verify(p => p.Rent(It.IsAny <int>()), Times.Once());
arrayPool.Verify(p => p.Return(It.IsAny <byte[]>(), It.IsAny <bool>()), Times.Once());
}
private static byte[] ReadBufferedContent(PagedByteBuffer buffer)
{
using var memoryStream = new MemoryStream();
buffer.MoveTo(memoryStream);
return(memoryStream.ToArray());
}
