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 // <string> 11 12 // basic_string<charT,traits,Allocator>& 13 // operator=(const basic_string<charT,traits,Allocator>& str); 14 15 #include <string> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S s1, const S& s2) 24 { 25 s1 = s2; 26 LIBCPP_ASSERT(s1.__invariants()); 27 assert(s1 == s2); 28 assert(s1.capacity() >= s1.size()); 29 } 30 31 int main() 32 { 33 { 34 typedef std::string S; 35 test(S(), S()); 36 test(S("1"), S()); 37 test(S(), S("1")); 38 test(S("1"), S("2")); 39 test(S("1"), S("2")); 40 41 test(S(), 42 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 43 test(S("123456789"), 44 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 45 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 46 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 47 test(S("1234567890123456789012345678901234567890123456789012345678901234567890" 48 "1234567890123456789012345678901234567890123456789012345678901234567890"), 49 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 50 } 51 #if TEST_STD_VER >= 11 52 { 53 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 54 test(S(), S()); 55 test(S("1"), S()); 56 test(S(), S("1")); 57 test(S("1"), S("2")); 58 test(S("1"), S("2")); 59 60 test(S(), 61 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 62 test(S("123456789"), 63 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 64 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 65 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 66 test(S("1234567890123456789012345678901234567890123456789012345678901234567890" 67 "1234567890123456789012345678901234567890123456789012345678901234567890"), 68 S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")); 69 } 70 #endif 71 } 72