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/****************************************************************************
**
** 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 <iterator>
#include <map>
#include <vector>
#include <algorithm>
#include <iostream>
#include <cstddef>
// something mean to see if the compiler and C++ standard lib are good enough
template<class K, class T>
class DummyClass
{
// everything in std namespace ?
typedef std::bidirectional_iterator_tag i;
typedef std::ptrdiff_t d;
// typename implemented ?
typedef typename std::map<K,T>::iterator MyIterator;
};
// extracted from QVector's strict iterator
template<class T>
class DummyIterator
{
typedef DummyIterator<int> 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<int> 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<int>::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<int> v2;
std::copy( v1.begin(), v1it, std::back_inserter( v2 ) );
int v2size = v2.size();
v2size = 0;
std::map<int, double> 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<int,double>::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<int> it1, it2;
int n = std::distance(it1, it2);
std::advance(it1, 3);
return 0;
}
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