1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // template<class charT, class traits, class Allocator> 12 // basic_string<charT,traits,Allocator> 13 // operator+(const basic_string<charT,traits,Allocator>& lhs, charT rhs); 14 15 // template<class charT, class traits, class Allocator> 16 // basic_string<charT,traits,Allocator>&& 17 // operator+(basic_string<charT,traits,Allocator>&& lhs, charT rhs); 18 19 #include <string> 20 #include <utility> 21 #include <cassert> 22 23 #include "test_macros.h" 24 #include "min_allocator.h" 25 26 template <class S> 27 void test0(const S& lhs, typename S::value_type rhs, const S& x) { 28 assert(lhs + rhs == x); 29 } 30 31 #if TEST_STD_VER >= 11 32 template <class S> 33 void test1(S&& lhs, typename S::value_type rhs, const S& x) { 34 assert(move(lhs) + rhs == x); 35 } 36 #endif 37 38 int main() { 39 { 40 typedef std::string S; 41 test0(S(""), '1', S("1")); 42 test0(S("abcde"), '1', S("abcde1")); 43 test0(S("abcdefghij"), '1', S("abcdefghij1")); 44 test0(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1")); 45 } 46 #if TEST_STD_VER >= 11 47 { 48 typedef std::string S; 49 test1(S(""), '1', S("1")); 50 test1(S("abcde"), '1', S("abcde1")); 51 test1(S("abcdefghij"), '1', S("abcdefghij1")); 52 test1(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1")); 53 } 54 { 55 typedef std::basic_string<char, std::char_traits<char>, 56 min_allocator<char> > 57 S; 58 test0(S(""), '1', S("1")); 59 test0(S("abcde"), '1', S("abcde1")); 60 test0(S("abcdefghij"), '1', S("abcdefghij1")); 61 test0(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1")); 62 63 test1(S(""), '1', S("1")); 64 test1(S("abcde"), '1', S("abcde1")); 65 test1(S("abcdefghij"), '1', S("abcdefghij1")); 66 test1(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1")); 67 } 68 #endif 69 } 70