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 template <class S> 22 void 23 test(S s1, S s2) 24 { 25 S s1_ = s1; 26 S s2_ = s2; 27 swap(s1, s2); 28 assert(s1.__invariants()); 29 assert(s2.__invariants()); 30 assert(s1 == s2_); 31 assert(s2 == s1_); 32 } 33 34 int main() 35 { 36 typedef std::string S; 37 test(S(""), S("")); 38 test(S(""), S("12345")); 39 test(S(""), S("1234567890")); 40 test(S(""), S("12345678901234567890")); 41 test(S("abcde"), S("")); 42 test(S("abcde"), S("12345")); 43 test(S("abcde"), S("1234567890")); 44 test(S("abcde"), S("12345678901234567890")); 45 test(S("abcdefghij"), S("")); 46 test(S("abcdefghij"), S("12345")); 47 test(S("abcdefghij"), S("1234567890")); 48 test(S("abcdefghij"), S("12345678901234567890")); 49 test(S("abcdefghijklmnopqrst"), S("")); 50 test(S("abcdefghijklmnopqrst"), S("12345")); 51 test(S("abcdefghijklmnopqrst"), S("1234567890")); 52 test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); 53 } 54
