1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
14 // const_iterator begin() const;
15 // const_iterator end() const;
16 // const_iterator cbegin() const;
17 // const_iterator cend() const;
19 #include <forward_list>
23 #include "test_macros.h"
24 #include "min_allocator.h"
30 typedef std::forward_list<T> C;
32 C::iterator i = c.begin();
33 C::iterator j = c.end();
34 assert(std::distance(i, j) == 0);
39 typedef std::forward_list<T> C;
41 C::const_iterator i = c.begin();
42 C::const_iterator j = c.end();
43 assert(std::distance(i, j) == 0);
48 typedef std::forward_list<T> C;
50 C::const_iterator i = c.cbegin();
51 C::const_iterator j = c.cend();
52 assert(std::distance(i, j) == 0);
58 typedef std::forward_list<T> C;
59 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
60 C c(std::begin(t), std::end(t));
61 C::iterator i = c.begin();
67 assert(std::distance(c.begin(), c.end()) == 10);
71 typedef std::forward_list<T> C;
75 #if TEST_STD_VER >= 11
78 typedef std::forward_list<T, min_allocator<T>> C;
80 C::iterator i = c.begin();
81 C::iterator j = c.end();
82 assert(std::distance(i, j) == 0);
87 typedef std::forward_list<T, min_allocator<T>> C;
89 C::const_iterator i = c.begin();
90 C::const_iterator j = c.end();
91 assert(std::distance(i, j) == 0);
96 typedef std::forward_list<T, min_allocator<T>> C;
98 C::const_iterator i = c.cbegin();
99 C::const_iterator j = c.cend();
100 assert(std::distance(i, j) == 0);
102 assert(i == c.end());
106 typedef std::forward_list<T, min_allocator<T>> C;
107 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
108 C c(std::begin(t), std::end(t));
109 C::iterator i = c.begin();
115 assert(std::distance(c.begin(), c.end()) == 10);
119 typedef std::forward_list<T, min_allocator<T>> C;
124 #if TEST_STD_VER > 11
126 std::forward_list<int>::iterator ii1{}, ii2{};
127 std::forward_list<int>::iterator ii4 = ii1;
128 std::forward_list<int>::const_iterator cii{};
129 assert ( ii1 == ii2 );
130 assert ( ii1 == ii4 );
132 assert (!(ii1 != ii2 ));
134 assert ( (ii1 == cii ));
135 assert ( (cii == ii1 ));
136 assert (!(ii1 != cii ));
137 assert (!(cii != ii1 ));
139 // std::forward_list<int> c;
140 // assert ( ii1 != c.cbegin());
141 // assert ( cii != c.begin());
142 // assert ( cii != c.cend());
143 // assert ( ii1 != c.end());