Method TestUnpackZeros

cpp/src/arrow/util/bpacking_test.cc:133–141

  template <typename Int>
  void TestUnpackZeros(UnpackFunc<Int> unpack, const UnpackOptions& opts) {
    const auto num_bytes = GetNumBytes(opts.batch_size, opts.bit_width, opts.bit_offset);

    const std::vector<uint8_t> packed(static_cast<std::size_t>(num_bytes), uint8_t{0});
    const auto unpacked = UnpackValues(packed.data(), opts, unpack);

    const std::vector<Int> expected(static_cast<std::size_t>(opts.batch_size), Int{0});
    EXPECT_EQ(unpacked, expected);
  }

  template <typename Int>
  void TestUnpackOnes(UnpackFunc<Int> unpack, const UnpackOptions& opts) {