1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <vector> 11 12 // iterator begin(); 13 // iterator end(); 14 // const_iterator begin() const; 15 // const_iterator end() const; 16 // const_iterator cbegin() const; 17 // const_iterator cend() const; 18 19 #include <vector> 20 #include <cassert> 21 #include <iterator> 22 23 #include "test_macros.h" 24 #include "min_allocator.h" 25 26 struct A 27 { 28 int first; 29 int second; 30 }; 31 32 int main() 33 { 34 { 35 typedef int T; 36 typedef std::vector<T> C; 37 C c; 38 C::iterator i = c.begin(); 39 C::iterator j = c.end(); 40 assert(std::distance(i, j) == 0); 41 assert(i == j); 42 } 43 { 44 typedef int T; 45 typedef std::vector<T> C; 46 const C c; 47 C::const_iterator i = c.begin(); 48 C::const_iterator j = c.end(); 49 assert(std::distance(i, j) == 0); 50 assert(i == j); 51 } 52 { 53 typedef int T; 54 typedef std::vector<T> C; 55 C c; 56 C::const_iterator i = c.cbegin(); 57 C::const_iterator j = c.cend(); 58 assert(std::distance(i, j) == 0); 59 assert(i == j); 60 assert(i == c.end()); 61 } 62 { 63 typedef int T; 64 typedef std::vector<T> C; 65 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; 66 C c(std::begin(t), std::end(t)); 67 C::iterator i = c.begin(); 68 assert(*i == 0); 69 ++i; 70 assert(*i == 1); 71 *i = 10; 72 assert(*i == 10); 73 assert(std::distance(c.begin(), c.end()) == 10); 74 } 75 { 76 typedef int T; 77 typedef std::vector<T> C; 78 C::iterator i; 79 C::const_iterator j; 80 } 81 #if TEST_STD_VER >= 11 82 { 83 typedef int T; 84 typedef std::vector<T, min_allocator<T>> C; 85 C c; 86 C::iterator i = c.begin(); 87 C::iterator j = c.end(); 88 assert(std::distance(i, j) == 0); 89 assert(i == j); 90 } 91 { 92 typedef int T; 93 typedef std::vector<T, min_allocator<T>> C; 94 const C c; 95 C::const_iterator i = c.begin(); 96 C::const_iterator j = c.end(); 97 assert(std::distance(i, j) == 0); 98 assert(i == j); 99 } 100 { 101 typedef int T; 102 typedef std::vector<T, min_allocator<T>> C; 103 C c; 104 C::const_iterator i = c.cbegin(); 105 C::const_iterator j = c.cend(); 106 assert(std::distance(i, j) == 0); 107 assert(i == j); 108 assert(i == c.end()); 109 } 110 { 111 typedef int T; 112 typedef std::vector<T, min_allocator<T>> C; 113 const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; 114 C c(std::begin(t), std::end(t)); 115 C::iterator i = c.begin(); 116 assert(*i == 0); 117 ++i; 118 assert(*i == 1); 119 *i = 10; 120 assert(*i == 10); 121 assert(std::distance(c.begin(), c.end()) == 10); 122 } 123 { 124 typedef int T; 125 typedef std::vector<T, min_allocator<T>> C; 126 C::iterator i; 127 C::const_iterator j; 128 } 129 { 130 typedef A T; 131 typedef std::vector<T, min_allocator<T>> C; 132 C c = {A{1, 2}}; 133 C::iterator i = c.begin(); 134 i->first = 3; 135 C::const_iterator j = i; 136 assert(j->first == 3); 137 } 138 #endif 139 #if TEST_STD_VER > 11 140 { // N3644 testing 141 typedef std::vector<int> C; 142 C::iterator ii1{}, ii2{}; 143 C::iterator ii4 = ii1; 144 C::const_iterator cii{}; 145 assert ( ii1 == ii2 ); 146 assert ( ii1 == ii4 ); 147 148 assert (!(ii1 != ii2 )); 149 150 assert ( (ii1 == cii )); 151 assert ( (cii == ii1 )); 152 assert (!(ii1 != cii )); 153 assert (!(cii != ii1 )); 154 assert (!(ii1 < cii )); 155 assert (!(cii < ii1 )); 156 assert ( (ii1 <= cii )); 157 assert ( (cii <= ii1 )); 158 assert (!(ii1 > cii )); 159 assert (!(cii > ii1 )); 160 assert ( (ii1 >= cii )); 161 assert ( (cii >= ii1 )); 162 assert (cii - ii1 == 0); 163 assert (ii1 - cii == 0); 164 } 165 #endif 166 } 167
