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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#include <gtest/gtest.h>
#include <impl/Kokkos_CheckedIntegerOps.hpp>
#include <limits>
namespace {
TEST(TEST_CATEGORY, checked_integer_operations_multiply_overflow) {
{
auto result = 1u;
auto is_overflow = Kokkos::Impl::multiply_overflow(1u, 2u, result);
EXPECT_EQ(result, 2u);
EXPECT_FALSE(is_overflow);
}
{
auto result = 1u;
auto is_overflow = Kokkos::Impl::multiply_overflow(
std::numeric_limits<unsigned>::max(), 2u, result);
EXPECT_TRUE(is_overflow);
}
}
TEST(TEST_CATEGORY_DEATH, checked_integer_operations_multiply_overflow_abort) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
{
auto result = Kokkos::Impl::multiply_overflow_abort(1u, 2u);
EXPECT_EQ(result, 2u);
}
{
ASSERT_DEATH(Kokkos::Impl::multiply_overflow_abort(
std::numeric_limits<unsigned>::max(), 2u),
"Arithmetic overflow detected.");
}
}
} // namespace
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