| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator> |
| // operator+(const basic_string<charT,traits,Allocator>& lhs, |
| // const basic_string<charT,traits,Allocator>& rhs); |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator>&& |
| // operator+(const basic_string<charT,traits,Allocator>&& lhs, |
| // const basic_string<charT,traits,Allocator>& rhs); |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator>&& |
| // operator+(const basic_string<charT,traits,Allocator>& lhs, |
| // const basic_string<charT,traits,Allocator>&& rhs); |
| |
| // template<class charT, class traits, class Allocator> |
| // basic_string<charT,traits,Allocator>&& |
| // operator+(const basic_string<charT,traits,Allocator>&& lhs, |
| // const basic_string<charT,traits,Allocator>&& rhs); |
| |
| #include <string> |
| #include <utility> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "min_allocator.h" |
| |
| template <class S> |
| void test0(const S& lhs, const S& rhs, const S& x) { |
| assert(lhs + rhs == x); |
| } |
| |
| #if TEST_STD_VER >= 11 |
| template <class S> |
| void test1(S&& lhs, const S& rhs, const S& x) { |
| assert(move(lhs) + rhs == x); |
| } |
| |
| template <class S> |
| void test2(const S& lhs, S&& rhs, const S& x) { |
| assert(lhs + move(rhs) == x); |
| } |
| |
| template <class S> |
| void test3(S&& lhs, S&& rhs, const S& x) { |
| assert(move(lhs) + move(rhs) == x); |
| } |
| |
| #endif |
| |
| int main(int, char**) { |
| { |
| typedef std::string S; |
| test0(S(""), S(""), S("")); |
| test0(S(""), S("12345"), S("12345")); |
| test0(S(""), S("1234567890"), S("1234567890")); |
| test0(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test0(S("abcde"), S(""), S("abcde")); |
| test0(S("abcde"), S("12345"), S("abcde12345")); |
| test0(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test0(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test0(S("abcdefghij"), S(""), S("abcdefghij")); |
| test0(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test0(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test0(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test0(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test0(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test0(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test0(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| typedef std::string S; |
| test1(S(""), S(""), S("")); |
| test1(S(""), S("12345"), S("12345")); |
| test1(S(""), S("1234567890"), S("1234567890")); |
| test1(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test1(S("abcde"), S(""), S("abcde")); |
| test1(S("abcde"), S("12345"), S("abcde12345")); |
| test1(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test1(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test1(S("abcdefghij"), S(""), S("abcdefghij")); |
| test1(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test1(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test1(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test1(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test1(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test1(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test1(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| |
| test2(S(""), S(""), S("")); |
| test2(S(""), S("12345"), S("12345")); |
| test2(S(""), S("1234567890"), S("1234567890")); |
| test2(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test2(S("abcde"), S(""), S("abcde")); |
| test2(S("abcde"), S("12345"), S("abcde12345")); |
| test2(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test2(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test2(S("abcdefghij"), S(""), S("abcdefghij")); |
| test2(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test2(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test2(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test2(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test2(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test2(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test2(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| |
| test3(S(""), S(""), S("")); |
| test3(S(""), S("12345"), S("12345")); |
| test3(S(""), S("1234567890"), S("1234567890")); |
| test3(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test3(S("abcde"), S(""), S("abcde")); |
| test3(S("abcde"), S("12345"), S("abcde12345")); |
| test3(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test3(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test3(S("abcdefghij"), S(""), S("abcdefghij")); |
| test3(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test3(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test3(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test3(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test3(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test3(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test3(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| } |
| { |
| typedef std::basic_string<char, std::char_traits<char>, |
| min_allocator<char> > |
| S; |
| test0(S(""), S(""), S("")); |
| test0(S(""), S("12345"), S("12345")); |
| test0(S(""), S("1234567890"), S("1234567890")); |
| test0(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test0(S("abcde"), S(""), S("abcde")); |
| test0(S("abcde"), S("12345"), S("abcde12345")); |
| test0(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test0(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test0(S("abcdefghij"), S(""), S("abcdefghij")); |
| test0(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test0(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test0(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test0(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test0(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test0(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test0(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| |
| test1(S(""), S(""), S("")); |
| test1(S(""), S("12345"), S("12345")); |
| test1(S(""), S("1234567890"), S("1234567890")); |
| test1(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test1(S("abcde"), S(""), S("abcde")); |
| test1(S("abcde"), S("12345"), S("abcde12345")); |
| test1(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test1(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test1(S("abcdefghij"), S(""), S("abcdefghij")); |
| test1(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test1(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test1(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test1(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test1(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test1(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test1(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| |
| test2(S(""), S(""), S("")); |
| test2(S(""), S("12345"), S("12345")); |
| test2(S(""), S("1234567890"), S("1234567890")); |
| test2(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test2(S("abcde"), S(""), S("abcde")); |
| test2(S("abcde"), S("12345"), S("abcde12345")); |
| test2(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test2(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test2(S("abcdefghij"), S(""), S("abcdefghij")); |
| test2(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test2(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test2(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test2(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test2(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test2(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test2(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| |
| test3(S(""), S(""), S("")); |
| test3(S(""), S("12345"), S("12345")); |
| test3(S(""), S("1234567890"), S("1234567890")); |
| test3(S(""), S("12345678901234567890"), S("12345678901234567890")); |
| test3(S("abcde"), S(""), S("abcde")); |
| test3(S("abcde"), S("12345"), S("abcde12345")); |
| test3(S("abcde"), S("1234567890"), S("abcde1234567890")); |
| test3(S("abcde"), S("12345678901234567890"), |
| S("abcde12345678901234567890")); |
| test3(S("abcdefghij"), S(""), S("abcdefghij")); |
| test3(S("abcdefghij"), S("12345"), S("abcdefghij12345")); |
| test3(S("abcdefghij"), S("1234567890"), S("abcdefghij1234567890")); |
| test3(S("abcdefghij"), S("12345678901234567890"), |
| S("abcdefghij12345678901234567890")); |
| test3(S("abcdefghijklmnopqrst"), S(""), S("abcdefghijklmnopqrst")); |
| test3(S("abcdefghijklmnopqrst"), S("12345"), |
| S("abcdefghijklmnopqrst12345")); |
| test3(S("abcdefghijklmnopqrst"), S("1234567890"), |
| S("abcdefghijklmnopqrst1234567890")); |
| test3(S("abcdefghijklmnopqrst"), S("12345678901234567890"), |
| S("abcdefghijklmnopqrst12345678901234567890")); |
| } |
| #endif // TEST_STD_VER >= 11 |
| |
| return 0; |
| } |