public void Decompress_ReadingStream()
{
// arrange
var service = new StreamUtilsService();
var bytes = new byte[]
{
5, 0, 0, 0, // size of first block is 5 bytes
1, 2, 3, 4, 5, // first data block
4, 0, 0, 0, // size of second block is 4 bytes
6, 7, 8, 9 // second data block
};
var stream = new MemoryStream(bytes);
var compressionMode = CompressionMode.Decompress;
// act
var firstBlockSize = service.GetChunkLength(stream, compressionMode, 10);
var firstBlockData = service.GetNextChunk(stream, firstBlockSize);
var secondBlockSize = service.GetChunkLength(stream, compressionMode, 10);
var secondBlockData = service.GetNextChunk(stream, secondBlockSize);
var thirdBlockSize = service.GetChunkLength(stream, compressionMode, 10);
// assert
firstBlockSize.Should().Be(5);
firstBlockData.Should().Equal(new [] { 1, 2, 3, 4, 5 });
secondBlockSize.Should().Be(4);
secondBlockData.Should().Equal(new [] { 6, 7, 8, 9 });
thirdBlockSize.Should().Be(0);
}
public void Compress_ReadingStream()
{
// arrange
var service = new StreamUtilsService();
var bytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
var stream = new MemoryStream(bytes);
var defaultChunkSize = 5;
var compressionMode = CompressionMode.Compress;
// act
var firstBlockSize = service.GetChunkLength(stream, compressionMode, defaultChunkSize);
var firstBlockData = service.GetNextChunk(stream, firstBlockSize);
var secondBlockSize = service.GetChunkLength(stream, compressionMode, defaultChunkSize);
var secondBlockData = service.GetNextChunk(stream, secondBlockSize);
var thirdBlockSize = service.GetChunkLength(stream, compressionMode, defaultChunkSize);
var thirdBlockData = service.GetNextChunk(stream, thirdBlockSize);
// assert
firstBlockSize.Should().Be(defaultChunkSize);
firstBlockData.Should().Equal(new [] { 1, 2, 3, 4, 5 });
secondBlockSize.Should().Be(defaultChunkSize);
secondBlockData.Should().Equal(new [] { 6, 7, 8, 9, 0 });
thirdBlockSize.Should().Be(defaultChunkSize);
thirdBlockData.Should().Equal();
}
public void ChunkMeta_Serialize_Deserialize_SameResult(int number)
{
// arrange
var service = new StreamUtilsService();
var bytes = new byte[number];
// act
var chunkMeta = service.GetChunkMeta(bytes);
var deserialized = service.GetChunkLengthFromMeta(chunkMeta);
// assert
chunkMeta.Length.Should().Be(4);
deserialized.Should().Be(number);
}
