Function TEST

cpp/src/arrow/compute/kernels/scalar_arithmetic_test.cc:616–636

}

TEST(TestBinaryArithmetic, SubtractTimestamps) {
  random::RandomArrayGenerator rand(kRandomSeed);

  const int64_t length = 100;

  auto lhs = rand.Int64(length, 0, 100000000);
  auto rhs = rand.Int64(length, 0, 100000000);
  auto expected_int64 = (*Subtract(lhs, rhs)).make_array();

  for (auto unit : TimeUnit::values()) {
    auto timestamp_ty = timestamp(unit);
    auto duration_ty = duration(unit);

    auto lhs_timestamp = *lhs->View(timestamp_ty);
    auto rhs_timestamp = *rhs->View(timestamp_ty);

    auto result = (*Subtract(lhs_timestamp, rhs_timestamp)).make_array();
    ASSERT_TRUE(result->type()->Equals(*duration_ty));
    AssertArraysEqual(**result->View(int64()), *expected_int64);
  }
}

TYPED_TEST(TestBinaryArithmeticIntegral, Mul) {
  for (auto check_overflow : {false, true}) {