52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <gtest/gtest.h>
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#include <impl/Kokkos_CheckedIntegerOps.hpp>
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#include <limits>
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namespace {
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TEST(TEST_CATEGORY, checked_integer_operations_multiply_overflow) {
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{
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auto result = 1u;
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auto is_overflow = Kokkos::Impl::multiply_overflow(1u, 2u, result);
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EXPECT_EQ(result, 2u);
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EXPECT_FALSE(is_overflow);
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}
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{
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auto result = 1u;
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auto is_overflow = Kokkos::Impl::multiply_overflow(
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std::numeric_limits<unsigned>::max(), 2u, result);
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EXPECT_TRUE(is_overflow);
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}
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}
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TEST(TEST_CATEGORY_DEATH, checked_integer_operations_multiply_overflow_abort) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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{
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auto result = Kokkos::Impl::multiply_overflow_abort(1u, 2u);
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EXPECT_EQ(result, 2u);
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}
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{
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ASSERT_DEATH(Kokkos::Impl::multiply_overflow_abort(
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std::numeric_limits<unsigned>::max(), 2u),
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"Arithmetic overflow detected.");
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}
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}
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} // namespace
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