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ca8f2cb1 | 1 | // { dg-options "-std=gnu++17" } |
6458742a | 2 | // { dg-do run { target c++17 } } |
ca8f2cb1 | 3 | |
8d9254fc | 4 | // Copyright (C) 2013-2020 Free Software Foundation, Inc. |
ca8f2cb1 VV |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // inserters | |
22 | ||
23 | // NB: This file is predicated on sstreams, istreams, and ostreams | |
24 | // working, not to mention other major details like char_traits, and | |
25 | // all of the string_view class. | |
26 | ||
27 | #include <string_view> | |
28 | #include <sstream> | |
29 | #include <iomanip> | |
30 | #include <testsuite_hooks.h> | |
31 | ||
32 | void | |
33 | test09() | |
34 | { | |
ca8f2cb1 VV |
35 | std::wstring_view foo{L"peace\0\0\0& love"}; |
36 | ||
37 | std::wostringstream oss1; | |
38 | oss1 << foo; | |
39 | VERIFY( oss1.str() == foo ); | |
40 | ||
41 | std::wostringstream oss2; | |
42 | oss2.width(20); | |
43 | oss2 << foo; | |
44 | VERIFY( oss2.str() != foo ); | |
45 | VERIFY( oss2.str().size() == 20 ); | |
46 | } | |
47 | ||
48 | int | |
49 | main() | |
50 | { | |
51 | test09(); | |
52 | ||
53 | return 0; | |
54 | } |