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 // basic_string<charT,traits,Allocator>& 12 // assign(basic_string<charT,traits>&& str); 13 14 #include <string> 15 #include <utility> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S s, S str, S expected) 24 { 25 s.assign(std::move(str)); 26 LIBCPP_ASSERT(s.__invariants()); 27 assert(s == expected); 28 } 29 30 int main() 31 { 32 { 33 typedef std::string S; 34 test(S(), S(), S()); 35 test(S(), S("12345"), S("12345")); 36 test(S(), S("1234567890"), S("1234567890")); 37 test(S(), S("12345678901234567890"), S("12345678901234567890")); 38 39 test(S("12345"), S(), S()); 40 test(S("12345"), S("12345"), S("12345")); 41 test(S("12345"), S("1234567890"), S("1234567890")); 42 test(S("12345"), S("12345678901234567890"), S("12345678901234567890")); 43 44 test(S("1234567890"), S(), S()); 45 test(S("1234567890"), S("12345"), S("12345")); 46 test(S("1234567890"), S("1234567890"), S("1234567890")); 47 test(S("1234567890"), S("12345678901234567890"), S("12345678901234567890")); 48 49 test(S("12345678901234567890"), S(), S()); 50 test(S("12345678901234567890"), S("12345"), S("12345")); 51 test(S("12345678901234567890"), S("1234567890"), S("1234567890")); 52 test(S("12345678901234567890"), S("12345678901234567890"), 53 S("12345678901234567890")); 54 } 55 #if TEST_STD_VER >= 11 56 { 57 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 58 test(S(), S(), S()); 59 test(S(), S("12345"), S("12345")); 60 test(S(), S("1234567890"), S("1234567890")); 61 test(S(), S("12345678901234567890"), S("12345678901234567890")); 62 63 test(S("12345"), S(), S()); 64 test(S("12345"), S("12345"), S("12345")); 65 test(S("12345"), S("1234567890"), S("1234567890")); 66 test(S("12345"), S("12345678901234567890"), S("12345678901234567890")); 67 68 test(S("1234567890"), S(), S()); 69 test(S("1234567890"), S("12345"), S("12345")); 70 test(S("1234567890"), S("1234567890"), S("1234567890")); 71 test(S("1234567890"), S("12345678901234567890"), S("12345678901234567890")); 72 73 test(S("12345678901234567890"), S(), S()); 74 test(S("12345678901234567890"), S("12345"), S("12345")); 75 test(S("12345678901234567890"), S("1234567890"), S("1234567890")); 76 test(S("12345678901234567890"), S("12345678901234567890"), 77 S("12345678901234567890")); 78 } 79 #endif 80 } 81