Method CheckConstructFrom

cpp/src/arrow/util/decimal_test.cc:605–617

 public:
  template <typename IntegerType>
  void CheckConstructFrom() {
    DecimalType value(IntegerType{42});
    AssertArrayBits(value.little_endian_array(), 42, 0);

    DecimalType max_value(std::numeric_limits<IntegerType>::max());
    AssertArrayBits(max_value.little_endian_array(),
                    std::numeric_limits<IntegerType>::max(), 0);

    DecimalType min_value(std::numeric_limits<IntegerType>::min());
    AssertArrayBits(min_value.little_endian_array(),
                    std::numeric_limits<IntegerType>::min(),
                    (std::is_signed<IntegerType>::value ? -1 : 0));
  }

  void TestConstructibleFromAnyIntegerType() {
    CheckConstructFrom<char>();            // NOLINT