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/*
* GridTools
*
* Copyright (c) 2014-2023, ETH Zurich
* All rights reserved.
*
* Please, refer to the LICENSE file in the root directory.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <gridtools/common/pair.hpp>
#include <type_traits>
#include <gtest/gtest.h>
TEST(pair, non_uniform_ctor) {
int int_val = 1;
size_t size_t_val = 2;
gridtools::pair<size_t, size_t> my_pair(int_val, size_t_val);
EXPECT_EQ((size_t)int_val, my_pair.first);
EXPECT_EQ(size_t_val, my_pair.second);
}
TEST(pair, get_rval_ref) {
size_t val0 = 1;
size_t val1 = 2;
EXPECT_TRUE(
std::is_rvalue_reference<decltype(gridtools::get<0>(gridtools::pair<size_t, size_t>{val0, val1}))>::value);
EXPECT_EQ(val0, gridtools::get<0>(gridtools::pair<size_t, size_t>{val0, val1}));
EXPECT_EQ(val1, gridtools::get<1>(gridtools::pair<size_t, size_t>{val0, val1}));
}
TEST(pair, eq) {
gridtools::pair<size_t, size_t> pair1{1, 2};
gridtools::pair<size_t, size_t> pair2{pair1};
EXPECT_TRUE(pair1 == pair2);
EXPECT_FALSE(pair1 != pair2);
EXPECT_FALSE(pair1 < pair2);
EXPECT_TRUE(pair1 <= pair2);
EXPECT_FALSE(pair1 > pair2);
EXPECT_TRUE(pair1 >= pair2);
}
TEST(pair, compare_first_differ) {
gridtools::pair<size_t, size_t> smaller{1, 2};
gridtools::pair<size_t, size_t> bigger{2, 2};
EXPECT_FALSE(smaller == bigger);
EXPECT_TRUE(smaller != bigger);
EXPECT_TRUE(smaller < bigger);
EXPECT_TRUE(smaller <= bigger);
EXPECT_FALSE(smaller > bigger);
EXPECT_FALSE(smaller >= bigger);
}
TEST(pair, lt_gt_second_differ) {
gridtools::pair<size_t, size_t> smaller{1, 1};
gridtools::pair<size_t, size_t> bigger{1, 2};
EXPECT_FALSE(smaller == bigger);
EXPECT_TRUE(smaller != bigger);
EXPECT_TRUE(smaller < bigger);
EXPECT_TRUE(smaller <= bigger);
EXPECT_FALSE(smaller > bigger);
EXPECT_FALSE(smaller >= bigger);
}
TEST(pair, construct_from_std_pair) {
std::pair<size_t, size_t> std_pair{1, 2};
gridtools::pair<size_t, size_t> gt_pair(std_pair);
ASSERT_EQ(std_pair.first, gt_pair.first);
ASSERT_EQ(std_pair.second, gt_pair.second);
}
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