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 // template<class charT, class traits, class Allocator> 13 // void swap(basic_string<charT,traits,Allocator>& lhs, 14 // basic_string<charT,traits,Allocator>& rhs); 15 16 #include <string> 17 #include <stdexcept> 18 #include <algorithm> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "min_allocator.h" 23 24 template <class S> 25 void 26 test(S s1, S s2) 27 { 28 S s1_ = s1; 29 S s2_ = s2; 30 swap(s1, s2); 31 LIBCPP_ASSERT(s1.__invariants()); 32 LIBCPP_ASSERT(s2.__invariants()); 33 assert(s1 == s2_); 34 assert(s2 == s1_); 35 } 36 37 int main() 38 { 39 { 40 typedef std::string S; 41 test(S(""), S("")); 42 test(S(""), S("12345")); 43 test(S(""), S("1234567890")); 44 test(S(""), S("12345678901234567890")); 45 test(S("abcde"), S("")); 46 test(S("abcde"), S("12345")); 47 test(S("abcde"), S("1234567890")); 48 test(S("abcde"), S("12345678901234567890")); 49 test(S("abcdefghij"), S("")); 50 test(S("abcdefghij"), S("12345")); 51 test(S("abcdefghij"), S("1234567890")); 52 test(S("abcdefghij"), S("12345678901234567890")); 53 test(S("abcdefghijklmnopqrst"), S("")); 54 test(S("abcdefghijklmnopqrst"), S("12345")); 55 test(S("abcdefghijklmnopqrst"), S("1234567890")); 56 test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); 57 } 58 #if TEST_STD_VER >= 11 59 { 60 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 61 test(S(""), S("")); 62 test(S(""), S("12345")); 63 test(S(""), S("1234567890")); 64 test(S(""), S("12345678901234567890")); 65 test(S("abcde"), S("")); 66 test(S("abcde"), S("12345")); 67 test(S("abcde"), S("1234567890")); 68 test(S("abcde"), S("12345678901234567890")); 69 test(S("abcdefghij"), S("")); 70 test(S("abcdefghij"), S("12345")); 71 test(S("abcdefghij"), S("1234567890")); 72 test(S("abcdefghij"), S("12345678901234567890")); 73 test(S("abcdefghijklmnopqrst"), S("")); 74 test(S("abcdefghijklmnopqrst"), S("12345")); 75 test(S("abcdefghijklmnopqrst"), S("1234567890")); 76 test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); 77 } 78 #endif 79 } 80