Method TestNumericLimit

cpp/src/arrow/util/decimal_test.cc:664–673

  template <typename ArrowType>
  void TestNumericLimit() {
    using c_type = typename ArrowType::c_type;
    ASSERT_OK_AND_ASSIGN(int32_t precision,
                         MaxDecimalDigitsForInteger(ArrowType::type_id));

    DecimalType min_value(std::numeric_limits<c_type>::min());
    ASSERT_TRUE(min_value.FitsInPrecision(precision)) << "precision " << precision;
    DecimalType max_value(std::numeric_limits<c_type>::max());
    ASSERT_TRUE(max_value.FitsInPrecision(precision)) << "precision " << precision;
  }
};

TYPED_TEST_SUITE(DecimalFromIntegerTest, DecimalTypes);