| 15 | { |
| 16 | template <typename TCoder> |
| 17 | void TestCoder(std::string const & name) |
| 18 | { |
| 19 | using TBuffer = std::vector<uint8_t>; |
| 20 | using TWriter = MemWriter<TBuffer>; |
| 21 | |
| 22 | uint64_t const kMask = 0xfedcba9876543210; |
| 23 | |
| 24 | TBuffer buf; |
| 25 | { |
| 26 | TWriter w(buf); |
| 27 | BitWriter<TWriter> bits(w); |
| 28 | for (int i = 0; i <= 64; ++i) |
| 29 | { |
| 30 | uint64_t const mask = bits::GetFullMask(i); |
| 31 | uint64_t const value = kMask & mask; |
| 32 | if (value == 0) |
| 33 | TEST(!TCoder::Encode(bits, value), (name, i)); |
| 34 | else |
| 35 | TEST(TCoder::Encode(bits, value), (name, i)); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | { |
| 40 | MemReader r(buf.data(), buf.size()); |
| 41 | ReaderSource<MemReader> src(r); |
| 42 | BitReader<ReaderSource<MemReader>> bits(src); |
| 43 | for (int i = 0; i <= 64; ++i) |
| 44 | { |
| 45 | uint64_t const mask = bits::GetFullMask(i); |
| 46 | uint64_t const expected = kMask & mask; |
| 47 | if (expected == 0) |
| 48 | continue; |
| 49 | TEST_EQUAL(expected, TCoder::Decode(bits), (name, i)); |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | UNIT_TEST(EliasCoder_Gamma) |
| 55 | { |