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1 | // { dg-options "-std=gnu++11" } |
2 | ||
3 | // Copyright (C) 2012 Free Software Foundation | |
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 | // 22.3.3.2.2 String conversions | |
21 | ||
22 | #include <locale> | |
23 | #include <string> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | template<typename Elem> | |
27 | struct cvt : std::codecvt<Elem, char, std::mbstate_t> { }; | |
28 | ||
29 | template<typename Elem> | |
30 | using str_conv = std::wstring_convert<cvt<Elem>, Elem>; | |
31 | ||
32 | using std::string; | |
33 | using std::u32string; | |
34 | ||
35 | // test construction with state, for partial conversions | |
36 | ||
37 | void test01() | |
38 | { | |
39 | typedef str_conv<char32_t> wsc; | |
40 | ||
41 | wsc c; | |
42 | string input = u8"\u00a3 shillings pence"; | |
43 | u32string woutput = c.from_bytes(input.substr(0, 1)); | |
44 | auto partial_state = c.state(); | |
45 | auto partial_count = c.converted(); | |
46 | ||
47 | auto woutput2 = c.from_bytes("state reset on next conversion"); | |
48 | VERIFY( woutput2 == U"state reset on next conversion" ); | |
49 | ||
50 | wsc c2(new cvt<char32_t>, partial_state); | |
51 | woutput += c2.from_bytes(input.substr(partial_count)); | |
52 | VERIFY( U"\u00a3 shillings pence" == woutput ); | |
53 | ||
54 | string roundtrip = c2.to_bytes(woutput); | |
55 | VERIFY( input == roundtrip ); | |
56 | } | |
57 | ||
58 | int main() | |
59 | { | |
60 | test01(); | |
61 | } |