public void UnpackingWorks(LzwGifToolsTestCase testCase)
{
StreamUnpacker unpacker = new StreamUnpacker(testCase.LzwMinimumCodeSize);
List <int> lzwCompressedCodeStream = unpacker.Unpack(testCase.PackedBytes);
CollectionAssert.AreEqual(testCase.LzwCompressedCodeStream, lzwCompressedCodeStream);
}
public void StreamPackingIsReversible(LzwGifToolsTestCase testCase)
{
StreamUnpacker unpacker = new StreamUnpacker(testCase.LzwMinimumCodeSize);
StreamPacker packer = new StreamPacker(testCase.LzwMinimumCodeSize);
List <int> lzwCompressedCodeStream = unpacker.Unpack(testCase.PackedBytes);
List <byte> packedBytes = new List <byte>();
packedBytes = packer.Pack(lzwCompressedCodeStream);
CollectionAssert.AreEqual(testCase.PackedBytes, packedBytes);
}
public void AllMethodsWork(LzwGifToolsTestCase testCase)
{
LzwCompressor compressor = new LzwCompressor(testCase.LzwMinimumCodeSize);
StreamPacker packer = new StreamPacker(testCase.LzwMinimumCodeSize);
StreamUnpacker unpacker = new StreamUnpacker(testCase.LzwMinimumCodeSize);
LzwDecompressor decompressor = new LzwDecompressor(testCase.LzwMinimumCodeSize);
List <int> lzwEncodedCodeStream = compressor.Compress(testCase.CodeStream);
List <byte> packedBytes = packer.Pack(lzwEncodedCodeStream);
List <int> lzwEncodedCodeStream2 = unpacker.Unpack(packedBytes);
List <int> codeStream = decompressor.Decompress(lzwEncodedCodeStream2);
CollectionAssert.AreEqual(testCase.CodeStream, codeStream);
}
