104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
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/******************************************************************************
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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) 2022 John Wellbelove
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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 "unit_test_framework.h"
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#include "etl/singleton.h"
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#include <string>
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#include <type_traits>
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class Test_Class
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{
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public:
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Test_Class(int i_, std::string text_)
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: i(i_)
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, text(text_)
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{
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}
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void Increment()
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{
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++i;
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text += "*";
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}
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int i;
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std::string text;
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};
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using Test_Singleton = etl::singleton<Test_Class>;
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namespace
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{
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SUITE(test_singleton)
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{
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//*************************************************************************
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TEST(test1)
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{
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CHECK((std::is_same<Test_Singleton::type, Test_Class>::value));
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CHECK(!Test_Singleton::is_valid());
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CHECK_THROW(Test_Singleton::instance(), etl::singleton_not_created);
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Test_Singleton::create(1, "Start:");
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CHECK(Test_Singleton::is_valid());
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Test_Class& ts = Test_Singleton::instance();
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CHECK_EQUAL(1, ts.i);
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CHECK_EQUAL("Start:", ts.text);
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ts.Increment();
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CHECK_EQUAL(2, ts.i);
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CHECK_EQUAL("Start:*", ts.text);
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Test_Class* pts = &Test_Singleton::instance();
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CHECK_EQUAL(2, ts.i);
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CHECK_EQUAL(2, pts->i);
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CHECK_EQUAL("Start:*", ts.text);
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CHECK_EQUAL("Start:*", pts->text);
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pts->Increment();
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CHECK_EQUAL(3, ts.i);
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CHECK_EQUAL(3, pts->i);
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CHECK_EQUAL("Start:**", ts.text);
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CHECK_EQUAL("Start:**", pts->text);
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Test_Singleton::destroy();
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CHECK(!Test_Singleton::is_valid());
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CHECK_THROW(Test_Singleton::instance(), etl::singleton_not_created);
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}
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}
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}
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