1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // size_type copy(charT* s, size_type n, size_type pos = 0) const; 12 13 #include <string> 14 #include <stdexcept> 15 #include <algorithm> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S str, typename S::value_type* s, typename S::size_type n, 24 typename S::size_type pos) 25 { 26 const S& cs = str; 27 if (pos <= cs.size()) 28 { 29 typename S::size_type r = cs.copy(s, n, pos); 30 typename S::size_type rlen = std::min(n, cs.size() - pos); 31 assert(r == rlen); 32 for (r = 0; r < rlen; ++r) 33 assert(S::traits_type::eq(cs[pos+r], s[r])); 34 } 35 #ifndef TEST_HAS_NO_EXCEPTIONS 36 else 37 { 38 try 39 { 40 typename S::size_type r = cs.copy(s, n, pos); 41 ((void)r); // Prevent unused warning 42 assert(false); 43 } 44 catch (std::out_of_range&) 45 { 46 assert(pos > str.size()); 47 } 48 } 49 #endif 50 } 51 52 bool test() { 53 { 54 typedef std::string S; 55 char s[50]; 56 test(S(""), s, 0, 0); 57 test(S(""), s, 0, 1); 58 test(S(""), s, 1, 0); 59 test(S("abcde"), s, 0, 0); 60 test(S("abcde"), s, 0, 1); 61 test(S("abcde"), s, 0, 2); 62 test(S("abcde"), s, 0, 4); 63 test(S("abcde"), s, 0, 5); 64 test(S("abcde"), s, 0, 6); 65 test(S("abcde"), s, 1, 0); 66 test(S("abcde"), s, 1, 1); 67 test(S("abcde"), s, 1, 2); 68 test(S("abcde"), s, 1, 4); 69 test(S("abcde"), s, 1, 5); 70 test(S("abcde"), s, 2, 0); 71 test(S("abcde"), s, 2, 1); 72 test(S("abcde"), s, 2, 2); 73 test(S("abcde"), s, 2, 4); 74 test(S("abcde"), s, 4, 0); 75 test(S("abcde"), s, 4, 1); 76 test(S("abcde"), s, 4, 2); 77 test(S("abcde"), s, 5, 0); 78 test(S("abcde"), s, 5, 1); 79 test(S("abcde"), s, 6, 0); 80 test(S("abcdefghijklmnopqrst"), s, 0, 0); 81 test(S("abcdefghijklmnopqrst"), s, 0, 1); 82 test(S("abcdefghijklmnopqrst"), s, 0, 2); 83 test(S("abcdefghijklmnopqrst"), s, 0, 10); 84 test(S("abcdefghijklmnopqrst"), s, 0, 19); 85 test(S("abcdefghijklmnopqrst"), s, 0, 20); 86 test(S("abcdefghijklmnopqrst"), s, 0, 21); 87 test(S("abcdefghijklmnopqrst"), s, 1, 0); 88 test(S("abcdefghijklmnopqrst"), s, 1, 1); 89 test(S("abcdefghijklmnopqrst"), s, 1, 2); 90 test(S("abcdefghijklmnopqrst"), s, 1, 9); 91 test(S("abcdefghijklmnopqrst"), s, 1, 18); 92 test(S("abcdefghijklmnopqrst"), s, 1, 19); 93 test(S("abcdefghijklmnopqrst"), s, 1, 20); 94 test(S("abcdefghijklmnopqrst"), s, 2, 0); 95 test(S("abcdefghijklmnopqrst"), s, 2, 1); 96 test(S("abcdefghijklmnopqrst"), s, 2, 2); 97 test(S("abcdefghijklmnopqrst"), s, 2, 9); 98 test(S("abcdefghijklmnopqrst"), s, 2, 17); 99 test(S("abcdefghijklmnopqrst"), s, 2, 18); 100 test(S("abcdefghijklmnopqrst"), s, 2, 19); 101 test(S("abcdefghijklmnopqrst"), s, 10, 0); 102 test(S("abcdefghijklmnopqrst"), s, 10, 1); 103 test(S("abcdefghijklmnopqrst"), s, 10, 2); 104 test(S("abcdefghijklmnopqrst"), s, 10, 5); 105 test(S("abcdefghijklmnopqrst"), s, 10, 9); 106 test(S("abcdefghijklmnopqrst"), s, 10, 10); 107 test(S("abcdefghijklmnopqrst"), s, 10, 11); 108 test(S("abcdefghijklmnopqrst"), s, 19, 0); 109 test(S("abcdefghijklmnopqrst"), s, 19, 1); 110 test(S("abcdefghijklmnopqrst"), s, 19, 2); 111 test(S("abcdefghijklmnopqrst"), s, 20, 0); 112 test(S("abcdefghijklmnopqrst"), s, 20, 1); 113 test(S("abcdefghijklmnopqrst"), s, 21, 0); 114 } 115 #if TEST_STD_VER >= 11 116 { 117 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 118 char s[50]; 119 test(S(""), s, 0, 0); 120 test(S(""), s, 0, 1); 121 test(S(""), s, 1, 0); 122 test(S("abcde"), s, 0, 0); 123 test(S("abcde"), s, 0, 1); 124 test(S("abcde"), s, 0, 2); 125 test(S("abcde"), s, 0, 4); 126 test(S("abcde"), s, 0, 5); 127 test(S("abcde"), s, 0, 6); 128 test(S("abcde"), s, 1, 0); 129 test(S("abcde"), s, 1, 1); 130 test(S("abcde"), s, 1, 2); 131 test(S("abcde"), s, 1, 4); 132 test(S("abcde"), s, 1, 5); 133 test(S("abcde"), s, 2, 0); 134 test(S("abcde"), s, 2, 1); 135 test(S("abcde"), s, 2, 2); 136 test(S("abcde"), s, 2, 4); 137 test(S("abcde"), s, 4, 0); 138 test(S("abcde"), s, 4, 1); 139 test(S("abcde"), s, 4, 2); 140 test(S("abcde"), s, 5, 0); 141 test(S("abcde"), s, 5, 1); 142 test(S("abcde"), s, 6, 0); 143 test(S("abcdefghijklmnopqrst"), s, 0, 0); 144 test(S("abcdefghijklmnopqrst"), s, 0, 1); 145 test(S("abcdefghijklmnopqrst"), s, 0, 2); 146 test(S("abcdefghijklmnopqrst"), s, 0, 10); 147 test(S("abcdefghijklmnopqrst"), s, 0, 19); 148 test(S("abcdefghijklmnopqrst"), s, 0, 20); 149 test(S("abcdefghijklmnopqrst"), s, 0, 21); 150 test(S("abcdefghijklmnopqrst"), s, 1, 0); 151 test(S("abcdefghijklmnopqrst"), s, 1, 1); 152 test(S("abcdefghijklmnopqrst"), s, 1, 2); 153 test(S("abcdefghijklmnopqrst"), s, 1, 9); 154 test(S("abcdefghijklmnopqrst"), s, 1, 18); 155 test(S("abcdefghijklmnopqrst"), s, 1, 19); 156 test(S("abcdefghijklmnopqrst"), s, 1, 20); 157 test(S("abcdefghijklmnopqrst"), s, 2, 0); 158 test(S("abcdefghijklmnopqrst"), s, 2, 1); 159 test(S("abcdefghijklmnopqrst"), s, 2, 2); 160 test(S("abcdefghijklmnopqrst"), s, 2, 9); 161 test(S("abcdefghijklmnopqrst"), s, 2, 17); 162 test(S("abcdefghijklmnopqrst"), s, 2, 18); 163 test(S("abcdefghijklmnopqrst"), s, 2, 19); 164 test(S("abcdefghijklmnopqrst"), s, 10, 0); 165 test(S("abcdefghijklmnopqrst"), s, 10, 1); 166 test(S("abcdefghijklmnopqrst"), s, 10, 2); 167 test(S("abcdefghijklmnopqrst"), s, 10, 5); 168 test(S("abcdefghijklmnopqrst"), s, 10, 9); 169 test(S("abcdefghijklmnopqrst"), s, 10, 10); 170 test(S("abcdefghijklmnopqrst"), s, 10, 11); 171 test(S("abcdefghijklmnopqrst"), s, 19, 0); 172 test(S("abcdefghijklmnopqrst"), s, 19, 1); 173 test(S("abcdefghijklmnopqrst"), s, 19, 2); 174 test(S("abcdefghijklmnopqrst"), s, 20, 0); 175 test(S("abcdefghijklmnopqrst"), s, 20, 1); 176 test(S("abcdefghijklmnopqrst"), s, 21, 0); 177 } 178 #endif 179 180 return true; 181 } 182 183 int main(int, char**) 184 { 185 test(); 186 #if TEST_STD_VER > 17 187 // static_assert(test()); 188 #endif 189 190 return 0; 191 } 192