538 lines
17 KiB
C++
538 lines
17 KiB
C++
/***********************************************************************
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* callback-test.cpp - FCallback unit tests *
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* *
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* This file is part of the FINAL CUT widget toolkit *
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* *
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* Copyright 2020 Markus Gans *
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* *
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* FINAL CUT is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* FINAL CUT is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include <utility>
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#include <cppunit/BriefTestProgressListener.h>
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#include <cppunit/CompilerOutputter.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <cppunit/TestFixture.h>
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#include <cppunit/TestResult.h>
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#include <cppunit/TestResultCollector.h>
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#include <cppunit/TestRunner.h>
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#include <final/final.h>
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//----------------------------------------------------------------------
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// class Widget
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//----------------------------------------------------------------------
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class Widget
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{
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public:
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template<typename... Args>
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void addCallback (const finalcut::FString& cb_signal, Args&&... args)
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{
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cb.addCallback (cb_signal, std::forward<Args>(args)...);
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}
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template<typename... Args>
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void delCallback (Args&&... args)
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{
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cb.delCallback (std::forward<Args>(args)...);
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}
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void emitCallback (const finalcut::FString& emit_signal)
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{
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cb.emitCallback (emit_signal);
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}
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private:
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finalcut::FCallback cb{};
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};
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//----------------------------------------------------------------------
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// class cb_class
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//----------------------------------------------------------------------
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class cb_class final : public finalcut::FWidget
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{
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public:
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cb_class (int i, finalcut::FWidget* parent)
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: finalcut::FWidget{parent}
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, data{i}
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{ }
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void cb_method_ptr (int* value)
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{
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(*value)--;
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}
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void cb_method_ptr_const (int* value) const
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{
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*value -= 4;
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}
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void cb_method_ref (int& value)
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{
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value -= data;
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}
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void cb_method_ref_const (int& value) const
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{
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value -= (2 * data);
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}
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private:
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int data;
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};
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//----------------------------------------------------------------------
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// functions
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//----------------------------------------------------------------------
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void cb_function_ptr (int* value)
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{
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(*value)++;
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}
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//----------------------------------------------------------------------
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void cb_function_ref (int& value)
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{
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value += 2;
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}
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//----------------------------------------------------------------------
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// class FCallbackTest
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//----------------------------------------------------------------------
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class FCallbackTest : public CPPUNIT_NS::TestFixture
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{
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public:
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FCallbackTest()
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{ }
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protected:
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void classNameTest();
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void memberFunctionPointerCallbackTest();
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void instanceWithFunctionObjectCallbackTest();
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void functionObjectCallbackTest();
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void functionObjectReferenceCallbackTest();
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void functionReferenceCallbackTest();
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void functionPointerCallbackTest();
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void ownWidgetTest();
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private:
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// Adds code needed to register the test suite
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CPPUNIT_TEST_SUITE (FCallbackTest);
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// Add a methods to the test suite
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CPPUNIT_TEST (classNameTest);
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CPPUNIT_TEST (memberFunctionPointerCallbackTest);
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CPPUNIT_TEST (instanceWithFunctionObjectCallbackTest);
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CPPUNIT_TEST (functionObjectCallbackTest);
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CPPUNIT_TEST (functionObjectReferenceCallbackTest);
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CPPUNIT_TEST (functionReferenceCallbackTest);
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CPPUNIT_TEST (functionPointerCallbackTest);
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CPPUNIT_TEST (ownWidgetTest);
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// End of test suite definition
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CPPUNIT_TEST_SUITE_END();
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// Data member
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static finalcut::FWidget root_widget;
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};
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// static class attributes
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finalcut::FWidget FCallbackTest::root_widget{nullptr};
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//----------------------------------------------------------------------
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void FCallbackTest::classNameTest()
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{
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const finalcut::FCallback cb;
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const finalcut::FString& classname = cb.getClassName();
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CPPUNIT_ASSERT ( classname == "FCallback" );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::memberFunctionPointerCallbackTest()
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{
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finalcut::FCallback cb{};
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cb_class c{5, &root_widget};
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int i{75};
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using Object = decltype(&c);
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using MemberFunctionPointer = decltype(&cb_class::cb_method_ptr);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<Object>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<Object>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<Object>::value );
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CPPUNIT_ASSERT ( 1 == std::is_pointer<Object>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<Object>::value );
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CPPUNIT_ASSERT ( 0 == std::is_class<Object>::value );
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CPPUNIT_ASSERT ( 1 == std::is_member_function_pointer<MemberFunctionPointer>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<MemberFunctionPointer>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<MemberFunctionPointer>::value );
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CPPUNIT_ASSERT ( 0 == std::is_pointer<MemberFunctionPointer>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<MemberFunctionPointer>::value );
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CPPUNIT_ASSERT ( 0 == std::is_class<MemberFunctionPointer>::value );
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.addCallback ("clicked", &c, &cb_class::cb_method_ptr, &i);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.addCallback ("activate", &c, &cb_class::cb_method_ptr_const, &i);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i == 75 );
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cb.emitCallback ("pressed");
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CPPUNIT_ASSERT ( i == 75 );
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cb.emitCallback("clicked");
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CPPUNIT_ASSERT ( i == 74 );
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cb.delCallback ("clicked");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i == 74 );
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cb.emitCallback ("activate");
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CPPUNIT_ASSERT ( i == 70 );
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cb.delCallback ("activate");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.emitCallback ("activate");
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CPPUNIT_ASSERT ( i == 70 );
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cb.addCallback ("on", &c, &cb_class::cb_method_ref, std::ref(i));
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cb.addCallback ("on", &c, &cb_class::cb_method_ref_const, std::ref(i));
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cb.emitCallback ("on");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i == 55 );
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cb.delCallback (&c);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.emitCallback ("on");
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CPPUNIT_ASSERT ( i == 55 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::instanceWithFunctionObjectCallbackTest()
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{
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finalcut::FCallback cb{};
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cb_class c{15, &root_widget};
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int i{100};
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auto func1 = std::bind(&cb_class::cb_method_ptr, &c, &i);
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auto func2 = std::bind(&cb_class::cb_method_ptr_const, &c, &i);
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auto func3 = std::bind(&cb_class::cb_method_ref, &c, std::ref(i));
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auto func4 = std::bind(&cb_class::cb_method_ref_const, &c, std::ref(i));
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auto func5 = std::bind(&cb_class::cb_method_ptr, &c, std::placeholders::_1);
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auto func6 = std::bind(&cb_class::cb_method_ref, &c, std::placeholders::_1);
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using Object = decltype(&c);
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using ClassObject = decltype(func1);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<Object>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<Object>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<Object>::value );
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CPPUNIT_ASSERT ( 1 == std::is_pointer<Object>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<Object>::value );
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CPPUNIT_ASSERT ( 0 == std::is_class<Object>::value );
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<ClassObject>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<ClassObject>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<ClassObject>::value );
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CPPUNIT_ASSERT ( 0 == std::is_pointer<ClassObject>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<ClassObject>::value );
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CPPUNIT_ASSERT ( 1 == std::is_class<ClassObject>::value );
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.addCallback ("clicked", &c, std::move(func1));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.addCallback ("activate", &c, std::move(func2));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i == 100 );
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cb.emitCallback ("pressed");
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CPPUNIT_ASSERT ( i == 100 );
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cb.emitCallback("clicked");
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CPPUNIT_ASSERT ( i == 99 );
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cb.delCallback ("clicked");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i == 99 );
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cb.emitCallback ("activate");
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CPPUNIT_ASSERT ( i == 95 );
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cb.delCallback ("activate");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.emitCallback ("activate");
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CPPUNIT_ASSERT ( i == 95 );
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cb.addCallback ("on", &c, std::move(func3));
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cb.addCallback ("on", &c, std::move(func4));
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cb.emitCallback ("on");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i == 50 );
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cb.delCallback (&c);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.emitCallback ("on");
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CPPUNIT_ASSERT ( i == 50 );
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cb.addCallback ("enabled", &c, std::move(func5), &i);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.addCallback ("joined", &c, std::move(func6), std::ref(i));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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cb.emitCallback("enabled");
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CPPUNIT_ASSERT ( i == 49 );
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cb.delCallback ("enabled", &c);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.emitCallback("joined");
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CPPUNIT_ASSERT ( i == 34 );
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cb.delCallback ("joined", &c);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::functionObjectCallbackTest()
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{
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finalcut::FCallback cb{};
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int i1{2};
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int i2{3};
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auto lambda = [] (int& a, const int& b)
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{
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a += b;
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};
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using Lambda = decltype(lambda);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<Lambda>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<Lambda>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<Lambda>::value );
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CPPUNIT_ASSERT ( 0 == std::is_pointer<Lambda>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<Lambda>::value );
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CPPUNIT_ASSERT ( 1 == std::is_class<Lambda>::value );
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cb.addCallback
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(
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"clicked",
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std::ref(lambda),
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std::ref(i1),
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std::cref(i2)
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);
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cb.addCallback
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(
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"changed",
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[] (int* a)
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{
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(*a)++;
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},
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&i2
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);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i1 == 2 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 5 );
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i2 = -3;
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 2 );
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cb.emitCallback ("changed");
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CPPUNIT_ASSERT ( i2 == -2 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 0 );
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cb.delCallback("changed");
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cb.emitCallback ("changed");
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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CPPUNIT_ASSERT ( i2 == -2 );
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cb.delCallback();
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::functionObjectReferenceCallbackTest()
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{
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finalcut::FCallback cb{};
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int i{4};
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auto lambda1 = [] (int* value)
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{
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*value = *value << 8;
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};
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auto lambda2 = [] (int& value)
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{
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value = value >> 4;
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};
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using NonUnionClass = decltype(lambda1);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<NonUnionClass>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<typename std::remove_pointer<NonUnionClass>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<NonUnionClass>::value );
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CPPUNIT_ASSERT ( 0 == std::is_pointer<NonUnionClass>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<NonUnionClass>::value );
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CPPUNIT_ASSERT ( 1 == std::is_class<NonUnionClass>::value );
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cb.addCallback ("toggled", lambda1, &i);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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CPPUNIT_ASSERT ( i == 4 );
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cb.emitCallback ("toggled");
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CPPUNIT_ASSERT ( i == 1024 );
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cb.addCallback ("row-selected", lambda2, std::ref(i));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i == 1024 );
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cb.emitCallback ("row-selected");
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CPPUNIT_ASSERT ( i == 64 );
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cb.delCallback();
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::functionReferenceCallbackTest()
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{
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finalcut::FCallback cb{};
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int i1{22};
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int i2{11};
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using Function = decltype(cb_function_ptr);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<Function>::value );
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CPPUNIT_ASSERT ( 1 == std::is_function<typename std::remove_pointer<Function>::type>::value );
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CPPUNIT_ASSERT ( 1 == std::is_function<Function>::value );
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CPPUNIT_ASSERT ( 0 == std::is_pointer<Function>::value );
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CPPUNIT_ASSERT ( 0 == std::is_object<Function>::value );
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CPPUNIT_ASSERT ( 0 == std::is_class<Function>::value );
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.addCallback ("clicked", cb_function_ptr, &i1);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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CPPUNIT_ASSERT ( i1 == 22 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 23 );
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cb.addCallback ("clicked", cb_function_ref, std::ref(i2));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i2 == 11 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 24 );
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CPPUNIT_ASSERT ( i2 == 13 );
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cb.delCallback (&cb_function_ptr); // Delete via function pointer
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 24 );
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CPPUNIT_ASSERT ( i2 == 15 );
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cb.delCallback (cb_function_ref); // Delete via function
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 24 );
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CPPUNIT_ASSERT ( i2 == 15 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::functionPointerCallbackTest()
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{
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finalcut::FCallback cb{};
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int i1{5};
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int i2{9};
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using FunctionPointer = decltype(&cb_function_ptr);
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CPPUNIT_ASSERT ( 0 == std::is_member_function_pointer<FunctionPointer>::value );
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CPPUNIT_ASSERT ( 1 == std::is_function<typename std::remove_pointer<FunctionPointer>::type>::value );
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CPPUNIT_ASSERT ( 0 == std::is_function<FunctionPointer>::value );
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CPPUNIT_ASSERT ( 1 == std::is_pointer<FunctionPointer>::value );
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CPPUNIT_ASSERT ( 1 == std::is_object<FunctionPointer>::value );
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CPPUNIT_ASSERT ( 0 == std::is_class<FunctionPointer>::value );
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 0 );
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cb.addCallback ("clicked", &cb_function_ptr, &i1);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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CPPUNIT_ASSERT ( i1 == 5 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 6 );
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cb.addCallback ("clicked", &cb_function_ref, std::ref(i2));
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 2 );
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CPPUNIT_ASSERT ( i2 == 9 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 7 );
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CPPUNIT_ASSERT ( i2 == 11 );
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cb.delCallback (&cb_function_ptr);
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CPPUNIT_ASSERT ( cb.getCallbackCount() == 1 );
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cb.emitCallback ("clicked");
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CPPUNIT_ASSERT ( i1 == 7 );
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CPPUNIT_ASSERT ( i2 == 13 );
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}
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//----------------------------------------------------------------------
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void FCallbackTest::ownWidgetTest()
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{
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Widget w;
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int value = 3141593;
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int* i = &value;
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w.addCallback("focus-in", cb_function_ptr, i);
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CPPUNIT_ASSERT ( value == 3141593 );
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w.emitCallback("focus-in");
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CPPUNIT_ASSERT ( value == 3141594 );
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w.emitCallback("focus-in");
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CPPUNIT_ASSERT ( value == 3141595 );
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w.emitCallback("focus-in");
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CPPUNIT_ASSERT ( value == 3141596 );
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w.delCallback();
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w.emitCallback("focus-in");
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|
CPPUNIT_ASSERT ( value != 3141597 );
|
|
CPPUNIT_ASSERT ( value == 3141596 );
|
|
}
|
|
|
|
// Put the test suite in the registry
|
|
CPPUNIT_TEST_SUITE_REGISTRATION (FCallbackTest);
|
|
|
|
// The general unit test main part
|
|
#include <main-test.inc>
|