1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <string> 13 14 // basic_string<charT,traits,Allocator>& 15 // operator=(basic_string<charT,traits,Allocator>&& str); 16 17 #include <string> 18 #include <cassert> 19 20 #include "test_macros.h" 21 #include "test_allocator.h" 22 #include "min_allocator.h" 23 24 template <class S> 25 void 26 test(S s1, S s2) 27 { 28 S s0 = s2; 29 s1 = std::move(s2); 30 LIBCPP_ASSERT(s1.__invariants()); 31 LIBCPP_ASSERT(s2.__invariants()); 32 assert(s1 == s0); 33 assert(s1.capacity() >= s1.size()); 34 } 35 36 int main() 37 { 38 { 39 typedef std::string S; 40 test(S(), S()); 41 test(S("1"), S()); 42 test(S(), S("1")); 43 test(S("1"), S("2")); 44 test(S("1"), S("2")); 45 46 test(S(), 47 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 48 test(S("123456789"), 49 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 50 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 51 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 52 test(S("1234567890123456789012345678901234567890123456789012345678901234567890" 53 "1234567890123456789012345678901234567890123456789012345678901234567890"), 54 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 55 } 56 { 57 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 58 test(S(), S()); 59 test(S("1"), S()); 60 test(S(), S("1")); 61 test(S("1"), S("2")); 62 test(S("1"), S("2")); 63 64 test(S(), 65 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 66 test(S("123456789"), 67 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 68 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 69 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 70 test(S("1234567890123456789012345678901234567890123456789012345678901234567890" 71 "1234567890123456789012345678901234567890123456789012345678901234567890"), 72 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 73 } 74 } 75