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 // void swap(basic_string& s); 13 14 #include <string> 15 #include <stdexcept> 16 #include <algorithm> 17 #include <cassert> 18 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S s1, S s2) 24 { 25 S s1_ = s1; 26 S s2_ = s2; 27 s1.swap(s2); 28 assert(s1.__invariants()); 29 assert(s2.__invariants()); 30 assert(s1 == s2_); 31 assert(s2 == s1_); 32 } 33 34 int main() 35 { 36 { 37 typedef std::string S; 38 test(S(""), S("")); 39 test(S(""), S("12345")); 40 test(S(""), S("1234567890")); 41 test(S(""), S("12345678901234567890")); 42 test(S("abcde"), S("")); 43 test(S("abcde"), S("12345")); 44 test(S("abcde"), S("1234567890")); 45 test(S("abcde"), S("12345678901234567890")); 46 test(S("abcdefghij"), S("")); 47 test(S("abcdefghij"), S("12345")); 48 test(S("abcdefghij"), S("1234567890")); 49 test(S("abcdefghij"), S("12345678901234567890")); 50 test(S("abcdefghijklmnopqrst"), S("")); 51 test(S("abcdefghijklmnopqrst"), S("12345")); 52 test(S("abcdefghijklmnopqrst"), S("1234567890")); 53 test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); 54 } 55 #if __cplusplus >= 201103L 56 { 57 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 58 test(S(""), S("")); 59 test(S(""), S("12345")); 60 test(S(""), S("1234567890")); 61 test(S(""), S("12345678901234567890")); 62 test(S("abcde"), S("")); 63 test(S("abcde"), S("12345")); 64 test(S("abcde"), S("1234567890")); 65 test(S("abcde"), S("12345678901234567890")); 66 test(S("abcdefghij"), S("")); 67 test(S("abcdefghij"), S("12345")); 68 test(S("abcdefghij"), S("1234567890")); 69 test(S("abcdefghij"), S("12345678901234567890")); 70 test(S("abcdefghijklmnopqrst"), S("")); 71 test(S("abcdefghijklmnopqrst"), S("12345")); 72 test(S("abcdefghijklmnopqrst"), S("1234567890")); 73 test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); 74 } 75 #endif 76 } 77
