Function TEST

cpp/src/arrow/util/int_util_test.cc:129–150

std::vector<uint64_t> valid_uint64 = {0, 0x100000000ULL, 0xffffffffffffffffULL};

TEST(UIntWidth, NoNulls) {
  std::vector<uint64_t> values{0, 0x7f, 0xff};
  CheckUIntWidth(values, 1);

  values = {0, 0x100};
  CheckUIntWidth(values, 2);

  values = {0, 0xffff};
  CheckUIntWidth(values, 2);

  values = {0, 0x10000};
  CheckUIntWidth(values, 4);

  values = {0, 0xffffffffULL};
  CheckUIntWidth(values, 4);

  values = {0, 0x100000000ULL};
  CheckUIntWidth(values, 8);

  values = {0, 0xffffffffffffffffULL};
  CheckUIntWidth(values, 8);
}

TEST(UIntWidth, Nulls) {
  std::vector<uint8_t> valid10{true, false};