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 // When back-deploying to macosx10.7, the RTTI for exception classes 14 // incorrectly provided by libc++.dylib is mixed with the one in 15 // libc++abi.dylib and exceptions are not caught properly. 16 // XFAIL: with_system_cxx_lib=macosx10.7 17 18 #include <string> 19 #include <stdexcept> 20 #include <algorithm> 21 #include <cassert> 22 23 #include "test_macros.h" 24 #include "min_allocator.h" 25 26 template <class S> 27 void 28 test(S str, typename S::value_type* s, typename S::size_type n, 29 typename S::size_type pos) 30 { 31 const S& cs = str; 32 if (pos <= cs.size()) 33 { 34 typename S::size_type r = cs.copy(s, n, pos); 35 typename S::size_type rlen = std::min(n, cs.size() - pos); 36 assert(r == rlen); 37 for (r = 0; r < rlen; ++r) 38 assert(S::traits_type::eq(cs[pos+r], s[r])); 39 } 40 #ifndef TEST_HAS_NO_EXCEPTIONS 41 else 42 { 43 try 44 { 45 typename S::size_type r = cs.copy(s, n, pos); 46 ((void)r); // Prevent unused warning 47 assert(false); 48 } 49 catch (std::out_of_range&) 50 { 51 assert(pos > str.size()); 52 } 53 } 54 #endif 55 } 56 57 int main(int, char**) 58 { 59 { 60 typedef std::string S; 61 char s[50]; 62 test(S(""), s, 0, 0); 63 test(S(""), s, 0, 1); 64 test(S(""), s, 1, 0); 65 test(S("abcde"), s, 0, 0); 66 test(S("abcde"), s, 0, 1); 67 test(S("abcde"), s, 0, 2); 68 test(S("abcde"), s, 0, 4); 69 test(S("abcde"), s, 0, 5); 70 test(S("abcde"), s, 0, 6); 71 test(S("abcde"), s, 1, 0); 72 test(S("abcde"), s, 1, 1); 73 test(S("abcde"), s, 1, 2); 74 test(S("abcde"), s, 1, 4); 75 test(S("abcde"), s, 1, 5); 76 test(S("abcde"), s, 2, 0); 77 test(S("abcde"), s, 2, 1); 78 test(S("abcde"), s, 2, 2); 79 test(S("abcde"), s, 2, 4); 80 test(S("abcde"), s, 4, 0); 81 test(S("abcde"), s, 4, 1); 82 test(S("abcde"), s, 4, 2); 83 test(S("abcde"), s, 5, 0); 84 test(S("abcde"), s, 5, 1); 85 test(S("abcde"), s, 6, 0); 86 test(S("abcdefghijklmnopqrst"), s, 0, 0); 87 test(S("abcdefghijklmnopqrst"), s, 0, 1); 88 test(S("abcdefghijklmnopqrst"), s, 0, 2); 89 test(S("abcdefghijklmnopqrst"), s, 0, 10); 90 test(S("abcdefghijklmnopqrst"), s, 0, 19); 91 test(S("abcdefghijklmnopqrst"), s, 0, 20); 92 test(S("abcdefghijklmnopqrst"), s, 0, 21); 93 test(S("abcdefghijklmnopqrst"), s, 1, 0); 94 test(S("abcdefghijklmnopqrst"), s, 1, 1); 95 test(S("abcdefghijklmnopqrst"), s, 1, 2); 96 test(S("abcdefghijklmnopqrst"), s, 1, 9); 97 test(S("abcdefghijklmnopqrst"), s, 1, 18); 98 test(S("abcdefghijklmnopqrst"), s, 1, 19); 99 test(S("abcdefghijklmnopqrst"), s, 1, 20); 100 test(S("abcdefghijklmnopqrst"), s, 2, 0); 101 test(S("abcdefghijklmnopqrst"), s, 2, 1); 102 test(S("abcdefghijklmnopqrst"), s, 2, 2); 103 test(S("abcdefghijklmnopqrst"), s, 2, 9); 104 test(S("abcdefghijklmnopqrst"), s, 2, 17); 105 test(S("abcdefghijklmnopqrst"), s, 2, 18); 106 test(S("abcdefghijklmnopqrst"), s, 2, 19); 107 test(S("abcdefghijklmnopqrst"), s, 10, 0); 108 test(S("abcdefghijklmnopqrst"), s, 10, 1); 109 test(S("abcdefghijklmnopqrst"), s, 10, 2); 110 test(S("abcdefghijklmnopqrst"), s, 10, 5); 111 test(S("abcdefghijklmnopqrst"), s, 10, 9); 112 test(S("abcdefghijklmnopqrst"), s, 10, 10); 113 test(S("abcdefghijklmnopqrst"), s, 10, 11); 114 test(S("abcdefghijklmnopqrst"), s, 19, 0); 115 test(S("abcdefghijklmnopqrst"), s, 19, 1); 116 test(S("abcdefghijklmnopqrst"), s, 19, 2); 117 test(S("abcdefghijklmnopqrst"), s, 20, 0); 118 test(S("abcdefghijklmnopqrst"), s, 20, 1); 119 test(S("abcdefghijklmnopqrst"), s, 21, 0); 120 } 121 #if TEST_STD_VER >= 11 122 { 123 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 124 char s[50]; 125 test(S(""), s, 0, 0); 126 test(S(""), s, 0, 1); 127 test(S(""), s, 1, 0); 128 test(S("abcde"), s, 0, 0); 129 test(S("abcde"), s, 0, 1); 130 test(S("abcde"), s, 0, 2); 131 test(S("abcde"), s, 0, 4); 132 test(S("abcde"), s, 0, 5); 133 test(S("abcde"), s, 0, 6); 134 test(S("abcde"), s, 1, 0); 135 test(S("abcde"), s, 1, 1); 136 test(S("abcde"), s, 1, 2); 137 test(S("abcde"), s, 1, 4); 138 test(S("abcde"), s, 1, 5); 139 test(S("abcde"), s, 2, 0); 140 test(S("abcde"), s, 2, 1); 141 test(S("abcde"), s, 2, 2); 142 test(S("abcde"), s, 2, 4); 143 test(S("abcde"), s, 4, 0); 144 test(S("abcde"), s, 4, 1); 145 test(S("abcde"), s, 4, 2); 146 test(S("abcde"), s, 5, 0); 147 test(S("abcde"), s, 5, 1); 148 test(S("abcde"), s, 6, 0); 149 test(S("abcdefghijklmnopqrst"), s, 0, 0); 150 test(S("abcdefghijklmnopqrst"), s, 0, 1); 151 test(S("abcdefghijklmnopqrst"), s, 0, 2); 152 test(S("abcdefghijklmnopqrst"), s, 0, 10); 153 test(S("abcdefghijklmnopqrst"), s, 0, 19); 154 test(S("abcdefghijklmnopqrst"), s, 0, 20); 155 test(S("abcdefghijklmnopqrst"), s, 0, 21); 156 test(S("abcdefghijklmnopqrst"), s, 1, 0); 157 test(S("abcdefghijklmnopqrst"), s, 1, 1); 158 test(S("abcdefghijklmnopqrst"), s, 1, 2); 159 test(S("abcdefghijklmnopqrst"), s, 1, 9); 160 test(S("abcdefghijklmnopqrst"), s, 1, 18); 161 test(S("abcdefghijklmnopqrst"), s, 1, 19); 162 test(S("abcdefghijklmnopqrst"), s, 1, 20); 163 test(S("abcdefghijklmnopqrst"), s, 2, 0); 164 test(S("abcdefghijklmnopqrst"), s, 2, 1); 165 test(S("abcdefghijklmnopqrst"), s, 2, 2); 166 test(S("abcdefghijklmnopqrst"), s, 2, 9); 167 test(S("abcdefghijklmnopqrst"), s, 2, 17); 168 test(S("abcdefghijklmnopqrst"), s, 2, 18); 169 test(S("abcdefghijklmnopqrst"), s, 2, 19); 170 test(S("abcdefghijklmnopqrst"), s, 10, 0); 171 test(S("abcdefghijklmnopqrst"), s, 10, 1); 172 test(S("abcdefghijklmnopqrst"), s, 10, 2); 173 test(S("abcdefghijklmnopqrst"), s, 10, 5); 174 test(S("abcdefghijklmnopqrst"), s, 10, 9); 175 test(S("abcdefghijklmnopqrst"), s, 10, 10); 176 test(S("abcdefghijklmnopqrst"), s, 10, 11); 177 test(S("abcdefghijklmnopqrst"), s, 19, 0); 178 test(S("abcdefghijklmnopqrst"), s, 19, 1); 179 test(S("abcdefghijklmnopqrst"), s, 19, 2); 180 test(S("abcdefghijklmnopqrst"), s, 20, 0); 181 test(S("abcdefghijklmnopqrst"), s, 20, 1); 182 test(S("abcdefghijklmnopqrst"), s, 21, 0); 183 } 184 #endif 185 186 return 0; 187 } 188