1 // { dg-options "-std=gnu++23" } 2 // { dg-do run { target c++23 } } 3 4 // Copyright (C) 2021 Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // You should have received a copy of the GNU General Public License along 18 // with this library; see the file COPYING3. If not see 19 // <http://www.gnu.org/licenses/>. 20 21 // basic_string contains 22 23 #include <string> 24 #include <testsuite_hooks.h> 25 26 void test01()27test01() 28 { 29 const std::wstring haystack(L"no place for needles"); 30 31 VERIFY(haystack.contains(std::wstring(L""))); 32 VERIFY(haystack.contains(std::wstring(L"no"))); 33 VERIFY(haystack.contains(std::wstring(L"needles"))); 34 VERIFY(haystack.contains(std::wstring(L" for "))); 35 VERIFY(!haystack.contains(std::wstring(L"places"))); 36 37 VERIFY(haystack.contains(std::wstring_view(L""))); 38 VERIFY(haystack.contains(std::wstring_view(L"no"))); 39 VERIFY(haystack.contains(std::wstring_view(L"needles"))); 40 VERIFY(haystack.contains(std::wstring_view(L" for "))); 41 VERIFY(!haystack.contains(std::wstring_view(L"places"))); 42 43 VERIFY(!haystack.contains('\0')); 44 VERIFY(haystack.contains('n')); 45 VERIFY(haystack.contains('e')); 46 VERIFY(haystack.contains('s')); 47 VERIFY(!haystack.contains('x')); 48 49 VERIFY(haystack.contains(L"")); 50 VERIFY(haystack.contains(L"no")); 51 VERIFY(haystack.contains(L"needles")); 52 VERIFY(haystack.contains(L" for ")); 53 VERIFY(!haystack.contains(L"places")); 54 55 const std::wstring nothing; 56 VERIFY(nothing.contains(L"")); 57 VERIFY(!nothing.contains('\0')); 58 } 59 60 int main()61main() 62 { 63 test01(); 64 return 0; 65 } 66