81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| //                     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>
 | |
| 
 | |
| // basic_string<charT,traits,Allocator>&
 | |
| //   append(const basic_string<charT,traits>& str);
 | |
| 
 | |
| #include <string>
 | |
| #include <cassert>
 | |
| 
 | |
| #include "test_macros.h"
 | |
| #include "min_allocator.h"
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test(S s, S str, S expected)
 | |
| {
 | |
|     s.append(str);
 | |
|     LIBCPP_ASSERT(s.__invariants());
 | |
|     assert(s == expected);
 | |
| }
 | |
| 
 | |
| int main()
 | |
| {
 | |
|     {
 | |
|     typedef std::string S;
 | |
|     test(S(), S(), S());
 | |
|     test(S(), S("12345"), S("12345"));
 | |
|     test(S(), S("1234567890"), S("1234567890"));
 | |
|     test(S(), S("12345678901234567890"), S("12345678901234567890"));
 | |
| 
 | |
|     test(S("12345"), S(), S("12345"));
 | |
|     test(S("12345"), S("12345"), S("1234512345"));
 | |
|     test(S("12345"), S("1234567890"), S("123451234567890"));
 | |
|     test(S("12345"), S("12345678901234567890"), S("1234512345678901234567890"));
 | |
| 
 | |
|     test(S("1234567890"), S(), S("1234567890"));
 | |
|     test(S("1234567890"), S("12345"), S("123456789012345"));
 | |
|     test(S("1234567890"), S("1234567890"), S("12345678901234567890"));
 | |
|     test(S("1234567890"), S("12345678901234567890"), S("123456789012345678901234567890"));
 | |
| 
 | |
|     test(S("12345678901234567890"), S(), S("12345678901234567890"));
 | |
|     test(S("12345678901234567890"), S("12345"), S("1234567890123456789012345"));
 | |
|     test(S("12345678901234567890"), S("1234567890"), S("123456789012345678901234567890"));
 | |
|     test(S("12345678901234567890"), S("12345678901234567890"),
 | |
|          S("1234567890123456789012345678901234567890"));
 | |
|     }
 | |
| #if TEST_STD_VER >= 11
 | |
|     {
 | |
|     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
 | |
|     test(S(), S(), S());
 | |
|     test(S(), S("12345"), S("12345"));
 | |
|     test(S(), S("1234567890"), S("1234567890"));
 | |
|     test(S(), S("12345678901234567890"), S("12345678901234567890"));
 | |
| 
 | |
|     test(S("12345"), S(), S("12345"));
 | |
|     test(S("12345"), S("12345"), S("1234512345"));
 | |
|     test(S("12345"), S("1234567890"), S("123451234567890"));
 | |
|     test(S("12345"), S("12345678901234567890"), S("1234512345678901234567890"));
 | |
| 
 | |
|     test(S("1234567890"), S(), S("1234567890"));
 | |
|     test(S("1234567890"), S("12345"), S("123456789012345"));
 | |
|     test(S("1234567890"), S("1234567890"), S("12345678901234567890"));
 | |
|     test(S("1234567890"), S("12345678901234567890"), S("123456789012345678901234567890"));
 | |
| 
 | |
|     test(S("12345678901234567890"), S(), S("12345678901234567890"));
 | |
|     test(S("12345678901234567890"), S("12345"), S("1234567890123456789012345"));
 | |
|     test(S("12345678901234567890"), S("1234567890"), S("123456789012345678901234567890"));
 | |
|     test(S("12345678901234567890"), S("12345678901234567890"),
 | |
|          S("1234567890123456789012345678901234567890"));
 | |
|     }
 | |
| #endif
 | |
| }
 |