Function TEST

core/utils/bits_test.cc:61–77

// Shifting ------------------------------------------------------------------

TEST(ShiftRight, ShortBuffer) {
  const size_t kLength = 5;
  std::vector<std::vector<uint8_t>> exp = {
      {0xAA, 0xBB, 0xCC, 0xDD, 0xEE}, {0x00, 0xAA, 0xBB, 0xCC, 0xDD},
      {0x00, 0x00, 0xAA, 0xBB, 0xCC}, {0x00, 0x00, 0x00, 0xAA, 0xBB},
      {0x00, 0x00, 0x00, 0x00, 0xAA}, {0x00, 0x00, 0x00, 0x00, 0x00}};
  for (size_t i = 0; i < exp.size(); i++) {
    std::vector<uint8_t> buf = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE};
    bess::utils::ShiftBytesRightSmall(buf.data(), kLength, i);
    int ret = memcmp(exp[i].data(), buf.data(), kLength);
    if (ret != 0) {
      EXPECT_TRUE(false) << "equality check failed for shift: " << i;
      PrintBytes("buf", buf);
      PrintBytes("exp", exp[i]);
    }
  }
}

TEST(ShiftRight, Aligned) {
  std::vector<size_t> lengths = {8, 16, 24, 32};