private static Slice decompressZstd(Slice input, int uncompressedSize)
    {
        byte[] buffer = new byte[uncompressedSize];
        decompress(new ZstdDecompressor(), input, 0, input.length(), buffer, 0);
        return wrappedBuffer(buffer);
    }
@Test
    public void testDecompressZSTD()
            throws IOException
    {
        performTest(ZSTD, 0);
        performTest(ZSTD, 1);
        performTest(ZSTD, 100);
        performTest(ZSTD, 256);
        performTest(ZSTD, 512);
        performTest(ZSTD, 1024);
    }