| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator> |
| // operator+(charT lhs, const basic_string<charT,traits,Allocator>& rhs); |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator>&& |
| // operator+(charT lhs, basic_string<charT,traits,Allocator>&& rhs); |
| |
| #include <string> |
| #include <utility> |
| #include <cassert> |
| |
| #include "min_allocator.h" |
| |
| template <class S> |
| void |
| test0(typename S::value_type lhs, const S& rhs, const S& x) |
| { |
| assert(lhs + rhs == x); |
| } |
| |
| #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| |
| template <class S> |
| void |
| test1(typename S::value_type lhs, S&& rhs, const S& x) |
| { |
| assert(lhs + move(rhs) == x); |
| } |
| |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| |
| int main() |
| { |
| { |
| typedef std::string S; |
| test0('a', S(""), S("a")); |
| test0('a', S("12345"), S("a12345")); |
| test0('a', S("1234567890"), S("a1234567890")); |
| test0('a', S("12345678901234567890"), S("a12345678901234567890")); |
| |
| #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| |
| test1('a', S(""), S("a")); |
| test1('a', S("12345"), S("a12345")); |
| test1('a', S("1234567890"), S("a1234567890")); |
| test1('a', S("12345678901234567890"), S("a12345678901234567890")); |
| |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| } |
| #if __cplusplus >= 201103L |
| { |
| typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; |
| test0('a', S(""), S("a")); |
| test0('a', S("12345"), S("a12345")); |
| test0('a', S("1234567890"), S("a1234567890")); |
| test0('a', S("12345678901234567890"), S("a12345678901234567890")); |
| |
| #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| |
| test1('a', S(""), S("a")); |
| test1('a', S("12345"), S("a12345")); |
| test1('a', S("1234567890"), S("a1234567890")); |
| test1('a', S("12345678901234567890"), S("a12345678901234567890")); |
| |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| } |
| #endif |
| } |