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 // XFAIL: LIBCXX-AIX-FIXME 10 11 // <string> 12 13 // size_type copy(charT* s, size_type n, size_type pos = 0) const; // constexpr since C++20 14 15 #include <string> 16 #include <stdexcept> 17 #include <algorithm> 18 #include <cassert> 19 20 #include "test_macros.h" 21 #include "min_allocator.h" 22 23 template <class S> 24 TEST_CONSTEXPR_CXX20 void 25 test(S str, typename S::value_type* s, typename S::size_type n, 26 typename S::size_type pos) 27 { 28 const S& cs = str; 29 if (pos <= cs.size()) 30 { 31 typename S::size_type r = cs.copy(s, n, pos); 32 typename S::size_type rlen = std::min(n, cs.size() - pos); 33 assert(r == rlen); 34 for (r = 0; r < rlen; ++r) 35 assert(S::traits_type::eq(cs[pos+r], s[r])); 36 } 37 #ifndef TEST_HAS_NO_EXCEPTIONS 38 else if (!TEST_IS_CONSTANT_EVALUATED) 39 { 40 try 41 { 42 typename S::size_type r = cs.copy(s, n, pos); 43 ((void)r); // Prevent unused warning 44 assert(false); 45 } 46 catch (std::out_of_range&) 47 { 48 assert(pos > str.size()); 49 } 50 } 51 #endif 52 } 53 54 TEST_CONSTEXPR_CXX20 bool test() { 55 { 56 typedef std::string S; 57 char s[50]; 58 test(S(""), s, 0, 0); 59 test(S(""), s, 0, 1); 60 test(S(""), s, 1, 0); 61 test(S("abcde"), s, 0, 0); 62 test(S("abcde"), s, 0, 1); 63 test(S("abcde"), s, 0, 2); 64 test(S("abcde"), s, 0, 4); 65 test(S("abcde"), s, 0, 5); 66 test(S("abcde"), s, 0, 6); 67 test(S("abcde"), s, 1, 0); 68 test(S("abcde"), s, 1, 1); 69 test(S("abcde"), s, 1, 2); 70 test(S("abcde"), s, 1, 4); 71 test(S("abcde"), s, 1, 5); 72 test(S("abcde"), s, 2, 0); 73 test(S("abcde"), s, 2, 1); 74 test(S("abcde"), s, 2, 2); 75 test(S("abcde"), s, 2, 4); 76 test(S("abcde"), s, 4, 0); 77 test(S("abcde"), s, 4, 1); 78 test(S("abcde"), s, 4, 2); 79 test(S("abcde"), s, 5, 0); 80 test(S("abcde"), s, 5, 1); 81 test(S("abcde"), s, 6, 0); 82 test(S("abcdefghijklmnopqrst"), s, 0, 0); 83 test(S("abcdefghijklmnopqrst"), s, 0, 1); 84 test(S("abcdefghijklmnopqrst"), s, 0, 2); 85 test(S("abcdefghijklmnopqrst"), s, 0, 10); 86 test(S("abcdefghijklmnopqrst"), s, 0, 19); 87 test(S("abcdefghijklmnopqrst"), s, 0, 20); 88 test(S("abcdefghijklmnopqrst"), s, 0, 21); 89 test(S("abcdefghijklmnopqrst"), s, 1, 0); 90 test(S("abcdefghijklmnopqrst"), s, 1, 1); 91 test(S("abcdefghijklmnopqrst"), s, 1, 2); 92 test(S("abcdefghijklmnopqrst"), s, 1, 9); 93 test(S("abcdefghijklmnopqrst"), s, 1, 18); 94 test(S("abcdefghijklmnopqrst"), s, 1, 19); 95 test(S("abcdefghijklmnopqrst"), s, 1, 20); 96 test(S("abcdefghijklmnopqrst"), s, 2, 0); 97 test(S("abcdefghijklmnopqrst"), s, 2, 1); 98 test(S("abcdefghijklmnopqrst"), s, 2, 2); 99 test(S("abcdefghijklmnopqrst"), s, 2, 9); 100 test(S("abcdefghijklmnopqrst"), s, 2, 17); 101 test(S("abcdefghijklmnopqrst"), s, 2, 18); 102 test(S("abcdefghijklmnopqrst"), s, 2, 19); 103 test(S("abcdefghijklmnopqrst"), s, 10, 0); 104 test(S("abcdefghijklmnopqrst"), s, 10, 1); 105 test(S("abcdefghijklmnopqrst"), s, 10, 2); 106 test(S("abcdefghijklmnopqrst"), s, 10, 5); 107 test(S("abcdefghijklmnopqrst"), s, 10, 9); 108 test(S("abcdefghijklmnopqrst"), s, 10, 10); 109 test(S("abcdefghijklmnopqrst"), s, 10, 11); 110 test(S("abcdefghijklmnopqrst"), s, 19, 0); 111 test(S("abcdefghijklmnopqrst"), s, 19, 1); 112 test(S("abcdefghijklmnopqrst"), s, 19, 2); 113 test(S("abcdefghijklmnopqrst"), s, 20, 0); 114 test(S("abcdefghijklmnopqrst"), s, 20, 1); 115 test(S("abcdefghijklmnopqrst"), s, 21, 0); 116 } 117 #if TEST_STD_VER >= 11 118 { 119 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 120 char s[50]; 121 test(S(""), s, 0, 0); 122 test(S(""), s, 0, 1); 123 test(S(""), s, 1, 0); 124 test(S("abcde"), s, 0, 0); 125 test(S("abcde"), s, 0, 1); 126 test(S("abcde"), s, 0, 2); 127 test(S("abcde"), s, 0, 4); 128 test(S("abcde"), s, 0, 5); 129 test(S("abcde"), s, 0, 6); 130 test(S("abcde"), s, 1, 0); 131 test(S("abcde"), s, 1, 1); 132 test(S("abcde"), s, 1, 2); 133 test(S("abcde"), s, 1, 4); 134 test(S("abcde"), s, 1, 5); 135 test(S("abcde"), s, 2, 0); 136 test(S("abcde"), s, 2, 1); 137 test(S("abcde"), s, 2, 2); 138 test(S("abcde"), s, 2, 4); 139 test(S("abcde"), s, 4, 0); 140 test(S("abcde"), s, 4, 1); 141 test(S("abcde"), s, 4, 2); 142 test(S("abcde"), s, 5, 0); 143 test(S("abcde"), s, 5, 1); 144 test(S("abcde"), s, 6, 0); 145 test(S("abcdefghijklmnopqrst"), s, 0, 0); 146 test(S("abcdefghijklmnopqrst"), s, 0, 1); 147 test(S("abcdefghijklmnopqrst"), s, 0, 2); 148 test(S("abcdefghijklmnopqrst"), s, 0, 10); 149 test(S("abcdefghijklmnopqrst"), s, 0, 19); 150 test(S("abcdefghijklmnopqrst"), s, 0, 20); 151 test(S("abcdefghijklmnopqrst"), s, 0, 21); 152 test(S("abcdefghijklmnopqrst"), s, 1, 0); 153 test(S("abcdefghijklmnopqrst"), s, 1, 1); 154 test(S("abcdefghijklmnopqrst"), s, 1, 2); 155 test(S("abcdefghijklmnopqrst"), s, 1, 9); 156 test(S("abcdefghijklmnopqrst"), s, 1, 18); 157 test(S("abcdefghijklmnopqrst"), s, 1, 19); 158 test(S("abcdefghijklmnopqrst"), s, 1, 20); 159 test(S("abcdefghijklmnopqrst"), s, 2, 0); 160 test(S("abcdefghijklmnopqrst"), s, 2, 1); 161 test(S("abcdefghijklmnopqrst"), s, 2, 2); 162 test(S("abcdefghijklmnopqrst"), s, 2, 9); 163 test(S("abcdefghijklmnopqrst"), s, 2, 17); 164 test(S("abcdefghijklmnopqrst"), s, 2, 18); 165 test(S("abcdefghijklmnopqrst"), s, 2, 19); 166 test(S("abcdefghijklmnopqrst"), s, 10, 0); 167 test(S("abcdefghijklmnopqrst"), s, 10, 1); 168 test(S("abcdefghijklmnopqrst"), s, 10, 2); 169 test(S("abcdefghijklmnopqrst"), s, 10, 5); 170 test(S("abcdefghijklmnopqrst"), s, 10, 9); 171 test(S("abcdefghijklmnopqrst"), s, 10, 10); 172 test(S("abcdefghijklmnopqrst"), s, 10, 11); 173 test(S("abcdefghijklmnopqrst"), s, 19, 0); 174 test(S("abcdefghijklmnopqrst"), s, 19, 1); 175 test(S("abcdefghijklmnopqrst"), s, 19, 2); 176 test(S("abcdefghijklmnopqrst"), s, 20, 0); 177 test(S("abcdefghijklmnopqrst"), s, 20, 1); 178 test(S("abcdefghijklmnopqrst"), s, 21, 0); 179 } 180 #endif 181 182 return true; 183 } 184 185 int main(int, char**) 186 { 187 test(); 188 #if TEST_STD_VER > 17 189 static_assert(test()); 190 #endif 191 192 return 0; 193 } 194