Function TEST

src/Compression/tests/gtest_compressionCodec.cpp:1329–1357

//);

TEST(LZ4Test, DecompressMalformedInput)
{
    /// This malformed input was initially found by lz4_decompress_fuzzer and causes failure under UBSAN.
    constexpr unsigned char data[]
        = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00,
           0x00, 0x20, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0xff, 0xff, 0xff, 0x17, 0xff, 0xff, 0x0f, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
           0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
           0xfe, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

    const char * const source = reinterpret_cast<const char * const>(data);
    const uint32_t source_size = std::size(data);
    constexpr uint32_t uncompressed_size = 80;

    DB::Memory<> memory;
    memory.resize(ICompressionCodec::getHeaderSize() + uncompressed_size + LZ4::ADDITIONAL_BYTES_AT_END_OF_BUFFER);
    unalignedStoreLittleEndian<uint8_t>(memory.data(), static_cast<uint8_t>(CompressionMethodByte::LZ4));
    unalignedStoreLittleEndian<uint32_t>(&memory[1], source_size);
    unalignedStoreLittleEndian<uint32_t>(&memory[5], uncompressed_size);

    auto codec = CompressionCodecFactory::instance().get("LZ4", {});
    ASSERT_THROW(codec->decompress(source, source_size, memory.data()), Exception);
}

TEST(DoubleDeltaTest, TranscodeRawInput)
{