public void CanCompressAndDecompressData(bool highCompression, bool randomData)
{
var codec = new LZ4Codec(LZ4Codec.DefaultBlockSize, highCompression, new RecyclableMemoryStreamManager(),
LZ4Codec.CodecProvider.LZ4Net);
for (var bufferLength = 10; bufferLength < 10000000; bufferLength *= 10)
{
var sourceBuffer = randomData
? GenerateRandomDataBuffer(bufferLength)
: GenerateNonrandomDataBuffer(bufferLength);
using (var compressedStream = new MemoryStream())
{
using (var compressionStream = codec.GetStream(compressedStream, CompressionMode.Compress, true))
{
compressionStream.Write(sourceBuffer, 0, sourceBuffer.Length);
}
compressedStream.Position = 0;
var destinationBuffer = new byte[sourceBuffer.Length];
using (var decompressionStream = codec.GetStream(compressedStream, CompressionMode.Decompress, true))
{
decompressionStream.Read(destinationBuffer, 0, destinationBuffer.Length);
}
for (var i = 0; i < bufferLength; ++i)
{
Assert.AreEqual(sourceBuffer[i], destinationBuffer[i]);
}
}
}
}
internal LZ4NetStream(Stream innerStream, CompressionMode compressionMode, bool leaveInnerStreamOpen,
LZ4Codec codec)
{
if (innerStream == null)
{
throw new ArgumentNullException(nameof(innerStream));
}
switch (compressionMode)
{
case CompressionMode.Compress:
case CompressionMode.Decompress:
break;
default:
throw new ArgumentOutOfRangeException(nameof(compressionMode));
}
if (codec == null)
{
throw new ArgumentNullException(nameof(codec));
}
this.innerStream = innerStream;
this.compressionMode = compressionMode;
this.leaveInnerStreamOpen = leaveInnerStreamOpen;
this.codec = codec;
}