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1 | // { dg-do run { target c++11 } } | |
2 | ||
3 | // Copyright (C) 2015-2024 Free Software Foundation, Inc. | |
4 | // | |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // 22.3.3.2.3 Buffer conversions | |
21 | ||
22 | #include <locale> | |
23 | #include <sstream> | |
24 | #include <testsuite_hooks.h> | |
25 | #include <testsuite_common_types.h> | |
26 | ||
27 | template<typename Elem> | |
28 | struct cvt : std::codecvt<Elem, char, std::mbstate_t> { }; | |
29 | ||
30 | template<typename Elem> | |
31 | using buf_conv = std::wbuffer_convert<cvt<Elem>, Elem>; | |
32 | ||
33 | using std::string; | |
34 | using std::wstring; | |
35 | ||
36 | void test01() | |
37 | { | |
38 | #ifdef _GLIBCXX_USE_WCHAR_T | |
39 | buf_conv<wchar_t> buf; | |
40 | std::stringbuf sbuf; | |
41 | VERIFY( buf.rdbuf() == nullptr ); | |
42 | VERIFY( buf.rdbuf(&sbuf) == nullptr ); | |
43 | VERIFY( buf.rdbuf() == &sbuf ); | |
44 | VERIFY( buf.rdbuf(nullptr) == &sbuf ); | |
45 | ||
46 | __gnu_test::implicitly_default_constructible test; | |
47 | test.operator()<buf_conv<wchar_t>>(); // P0935R0 | |
48 | #endif | |
49 | } | |
50 | ||
51 | void test02() | |
52 | { | |
53 | std::stringbuf sbuf; | |
54 | buf_conv<char> buf(&sbuf); // noconv | |
55 | ||
56 | std::stringstream ss; | |
57 | ss.std::ios::rdbuf(&buf); | |
58 | string input = "King for a day..."; | |
59 | ss << input << std::flush; | |
60 | string output = sbuf.str(); | |
61 | VERIFY( input == output ); | |
62 | } | |
63 | ||
64 | void test03() | |
65 | { | |
66 | #ifdef _GLIBCXX_USE_WCHAR_T | |
67 | std::stringbuf sbuf; | |
68 | buf_conv<wchar_t> buf(&sbuf); | |
69 | ||
70 | std::wstringstream ss; | |
71 | ss.std::wios::rdbuf(&buf); | |
72 | wstring input = L"Fool for a lifetime"; | |
73 | ss << input << std::flush; | |
74 | string output = sbuf.str(); | |
75 | VERIFY( output == "Fool for a lifetime" ); | |
76 | #endif | |
77 | } | |
78 | ||
79 | int main() | |
80 | { | |
81 | test01(); | |
82 | test02(); | |
83 | test03(); | |
84 | } |