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281 lines
8.1 KiB
C++
281 lines
8.1 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) 2025 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/delegate.h"
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#include "etl/delegate_observable.h"
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#if !defined(ETL_DELEGATE_FORCE_CPP03_IMPLEMENTATION)
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namespace
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{
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const size_t Max_Observers = 2UL;
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using Notification = int;
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using Observable = etl::delegate_observable<Notification, Max_Observers>;
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using Delegate = Observable::delegate_type;
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//*****************************************************************************
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bool global_called = false;
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bool member_called = false;
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int global_value = 0;
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int member_value = 0;
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//*****************************************************************************
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// The global function taking no parameters.
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//*****************************************************************************
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static void global(int id)
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{
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global_called = true;
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global_value = id;
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}
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//*****************************************************************************
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// The test class with member functions.
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//*****************************************************************************
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class Object
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{
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public:
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ETL_CONSTEXPR14 Object()
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{
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}
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void member(int id)
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{
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member_called = true;
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member_value = id;
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}
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};
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Object object;
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// Callback for 'member1'.
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ETL_CONSTEXPR14 Delegate member_callback = Delegate::create<Object, &Object::member, object>();
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// Callback for 'global1'.
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ETL_CONSTEXPR14 Delegate global_callback = Delegate::create<global>();
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//*****************************************************************************
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// Initialises the test results.
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//*****************************************************************************
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struct SetupFixture
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{
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SetupFixture()
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{
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global_called = false;
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member_called = false;
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global_value = 0;
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member_value = 0;
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}
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};
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#if defined(ETL_COMPILER_GCC)
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#if (ETL_COMPILER_FULL_VERSION <= 1100)
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#define ETL_GCC_11 1
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#else
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#define ETL_GCC_11 0
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#endif
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#else
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#define ETL_GCC_11 0
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#endif
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#define ETL_ENABLE_DELEGATE_OBSERVABLE_CREATE_OBSERVABLE (ETL_GCC_11 && ETL_USING_CPP14)
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#if ETL_ENABLE_DELEGATE_OBSERVABLE_CREATE_OBSERVABLE
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//*************************************************************************
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ETL_CONSTEXPR14 Observable CreateObservable()
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{
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Observable observable;
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observable.add_observer(global_callback);
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observable.add_observer(member_callback);
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observable.remove_observer(global_callback);
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return observable;
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}
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#endif
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}
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namespace
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{
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SUITE(test_delegate_service)
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{
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_constexpr_delegate_observable)
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{
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static ETL_CONSTEXPR14 Observable observable(global_callback, member_callback);
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CHECK_EQUAL(2, observable.number_of_observers());
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observable.notify_observers(1);
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CHECK_TRUE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(1, global_value);
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CHECK_EQUAL(1, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.notify_observers(2);
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CHECK_TRUE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(2, global_value);
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CHECK_EQUAL(2, member_value);
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}
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#if ETL_USING_CPP17
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_constexpr_delegate_observable_using_template_deduction_guide_cpp17)
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{
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static ETL_CONSTEXPR14 etl::delegate_observable observable(int{}, global_callback, member_callback);
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CHECK_EQUAL(2, observable.number_of_observers());
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observable.notify_observers(1);
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CHECK_TRUE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(1, global_value);
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CHECK_EQUAL(1, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.notify_observers(2);
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CHECK_TRUE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(2, global_value);
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CHECK_EQUAL(2, member_value);
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}
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#endif
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#if ETL_ENABLE_DELEGATE_OBSERVABLE_CREATE_OBSERVABLE
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_constexpr_delegate_observable_from_function)
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{
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static ETL_CONSTEXPR14 Observable observable = CreateObservable();
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CHECK_EQUAL(1, observable.number_of_observers());
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observable.notify_observers(1);
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CHECK_FALSE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(0, global_value);
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CHECK_EQUAL(1, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.notify_observers(2);
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CHECK_FALSE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(0, global_value);
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CHECK_EQUAL(2, member_value);
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}
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#endif
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_delegate_observable_add_and_remove)
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{
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Observable observable;
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CHECK_EQUAL(0, observable.number_of_observers());
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observable.notify_observers(1);
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CHECK_FALSE(global_called);
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CHECK_FALSE(member_called);
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CHECK_EQUAL(0, global_value);
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CHECK_EQUAL(0, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.add_observer(global_callback);
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CHECK_EQUAL(1, observable.number_of_observers());
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observable.notify_observers(2);
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CHECK_TRUE(global_called);
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CHECK_FALSE(member_called);
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CHECK_EQUAL(2, global_value);
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CHECK_EQUAL(0, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.add_observer(member_callback);
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CHECK_EQUAL(2, observable.number_of_observers());
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observable.notify_observers(3);
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CHECK_TRUE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(3, global_value);
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CHECK_EQUAL(3, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.remove_observer(global_callback);
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CHECK_EQUAL(1, observable.number_of_observers());
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observable.notify_observers(4);
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CHECK_FALSE(global_called);
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CHECK_TRUE(member_called);
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CHECK_EQUAL(3, global_value);
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CHECK_EQUAL(4, member_value);
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//*********************************
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global_called = false;
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member_called = false;
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observable.clear_observers();
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CHECK_EQUAL(0, observable.number_of_observers());
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observable.notify_observers(5);
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CHECK_FALSE(global_called);
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CHECK_FALSE(member_called);
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CHECK_EQUAL(3, global_value);
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CHECK_EQUAL(4, member_value);
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}
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};
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}
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#endif
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