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_ostream<charT, traits>&
13 // operator<<(basic_ostream<charT, traits>& os,
14 // const basic_string<charT,traits,Allocator>& str);
15
16 #include <string>
17 #include <sstream>
18 #include <cassert>
19
20 #include "test_macros.h"
21 #include "min_allocator.h"
22
23 template <template <class> class Alloc>
test()24 void test() {
25 using S = std::basic_string<char, std::char_traits<char>, Alloc<char> >;
26 using OS = std::basic_ostringstream<char, std::char_traits<char>, Alloc<char> >;
27 {
28 OS out;
29 S s("some text");
30 out << s;
31 assert(out.good());
32 assert(s == out.str());
33 }
34 {
35 OS out;
36 S s("some text");
37 out.width(12);
38 out << s;
39 assert(out.good());
40 assert(" " + s == out.str());
41 }
42 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
43 using WS = std::basic_string<wchar_t, std::char_traits<wchar_t>, Alloc<wchar_t> >;
44 using WOS = std::basic_ostringstream<wchar_t, std::char_traits<wchar_t>, Alloc<wchar_t> >;
45 {
46 WOS out;
47 WS s(L"some text");
48 out << s;
49 assert(out.good());
50 assert(s == out.str());
51 }
52 {
53 WOS out;
54 WS s(L"some text");
55 out.width(12);
56 out << s;
57 assert(out.good());
58 assert(L" " + s == out.str());
59 }
60 #endif
61 }
62
main(int,char **)63 int main(int, char**) {
64 test<std::allocator>();
65
66 #if TEST_STD_VER >= 11
67 test<min_allocator>();
68 #endif
69
70 return 0;
71 }
72