1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the config.tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* 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>
// 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;
}
|
