/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the config.tests of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /* Sample program for configure to test STL support on target platforms. We are mainly concerned with being able to instantiate templates for common STL container classes. */ #include #include #include #include #include #include // something mean to see if the compiler and C++ standard lib are good enough template class DummyClass { // everything in std namespace ? typedef std::bidirectional_iterator_tag i; typedef std::ptrdiff_t d; // typename implemented ? typedef typename std::map::iterator MyIterator; }; // extracted from QVector's strict iterator template class DummyIterator { typedef DummyIterator iterator; public: T *i; typedef std::random_access_iterator_tag iterator_category; typedef std::ptrdiff_t difference_type; typedef T value_type; typedef T *pointer; typedef T &reference; inline DummyIterator() : i(0) {} inline DummyIterator(T *n) : i(n) {} inline DummyIterator(const DummyIterator &o): i(o.i){} inline T &operator*() const { return *i; } inline T *operator->() const { return i; } inline T &operator[](int j) const { return *(i + j); } inline bool operator==(const DummyIterator &o) const { return i == o.i; } inline bool operator!=(const DummyIterator &o) const { return i != o.i; } inline bool operator<(const DummyIterator& other) const { return i < other.i; } inline bool operator<=(const DummyIterator& other) const { return i <= other.i; } inline bool operator>(const DummyIterator& other) const { return i > other.i; } inline bool operator>=(const DummyIterator& other) const { return i >= other.i; } inline DummyIterator &operator++() { ++i; return *this; } inline DummyIterator operator++(int) { T *n = i; ++i; return n; } inline DummyIterator &operator--() { i--; return *this; } inline DummyIterator operator--(int) { T *n = i; i--; return n; } inline DummyIterator &operator+=(int j) { i+=j; return *this; } inline DummyIterator &operator-=(int j) { i-=j; return *this; } inline DummyIterator operator+(int j) const { return DummyIterator(i+j); } inline DummyIterator operator-(int j) const { return DummyIterator(i-j); } inline int operator-(DummyIterator j) const { return i - j.i; } }; int main() { std::vector v1; v1.push_back( 0 ); v1.push_back( 1 ); v1.push_back( 2 ); v1.push_back( 3 ); v1.push_back( 4 ); int v1size = v1.size(); v1size = 0; int v1capacity = v1.capacity(); v1capacity = 0; std::vector::iterator v1it = std::find( v1.begin(), v1.end(), 99 ); bool v1notfound = (v1it == v1.end()); v1notfound = false; v1it = std::find( v1.begin(), v1.end(), 3 ); bool v1found = (v1it != v1.end()); v1found = false; std::vector v2; std::copy( v1.begin(), v1it, std::back_inserter( v2 ) ); int v2size = v2.size(); v2size = 0; std::map m1; m1.insert( std::make_pair( 1, 2.0 ) ); m1.insert( std::make_pair( 3, 2.0 ) ); m1.insert( std::make_pair( 5, 2.0 ) ); m1.insert( std::make_pair( 7, 2.0 ) ); int m1size = m1.size(); m1size = 0; std::map::iterator m1it = m1.begin(); for ( ; m1it != m1.end(); ++m1it ) { int first = (*m1it).first; first = 0; double second = (*m1it).second; second = 0.0; } std::map< int, double > m2( m1 ); int m2size = m2.size(); m2size = 0; DummyIterator it1, it2; int n = std::distance(it1, it2); std::advance(it1, 3); return 0; }