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88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2017 jwellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#include "UnitTest++.h"
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#include "platform.h"
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#include "atomic/atomic_gcc.h"
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#include <atomic>
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namespace
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{
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SUITE(test_atomic_gcc)
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{
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//=========================================================================
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TEST(test_atomic_compare_exchange_weak_fail)
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{
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std::atomic<int> compare;
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etl::atomic<int> test;
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int actual = 1U;
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compare = actual;
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test = actual;
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int compare_expected = 2U;
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int test_expected = 2U;
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int desired = 3U;
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bool compare_result = compare.compare_exchange_weak(compare_expected, desired);
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bool test_result = test.compare_exchange_weak(test_expected, desired);
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CHECK_EQUAL(compare_result, test_result);
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CHECK_EQUAL(compare_expected, test_expected);
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CHECK_EQUAL(compare.load(), test.load());
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}
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//=========================================================================
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TEST(test_atomic_compare_exchange_weak_pass)
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{
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std::atomic<int> compare;
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etl::atomic<int> test;
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int actual = 1U;
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compare = actual;
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test = actual;
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int compare_expected = actual;
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int test_expected = actual;
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int desired = 3U;
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bool compare_result = compare.compare_exchange_weak(compare_expected, desired);
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bool test_result = test.compare_exchange_weak(test_expected, desired);
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CHECK_EQUAL(compare_result, test_result);
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CHECK_EQUAL(compare_expected, test_expected);
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CHECK_EQUAL(compare.load(), test.load());
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}
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};
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}
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