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 // UNSUPPORTED: c++03, c++11, c++14, c++17
10
11 // <sstream>
12
13 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
14 // class basic_stringbuf
15
16 // template <class SAlloc>
17 // void str(const basic_string<charT, traits, SAlloc>& s);
18
19 #include <sstream>
20 #include <cassert>
21
22 #include "make_string.h"
23 #include "test_allocator.h"
24 #include "test_macros.h"
25
26 #define STR(S) MAKE_STRING(CharT, S)
27 #define SV(S) MAKE_STRING_VIEW(CharT, S)
28
29 template <class CharT>
test()30 static void test() {
31 {
32 const test_allocator<CharT> a(6);
33 const std::basic_string<CharT, std::char_traits<CharT>, test_allocator<CharT>> s(STR("testing"), a);
34 std::basic_stringbuf<CharT> buf;
35 buf.str(s);
36 assert(buf.view() == SV("testing"));
37 }
38 }
39
main(int,char **)40 int main(int, char**) {
41 test<char>();
42 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
43 test<wchar_t>();
44 #endif
45 return 0;
46 }
47