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8d9254fc | 1 | // Copyright (C) 2018-2020 Free Software Foundation, Inc. |
b0292359 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-do run { target *-*-mingw* } } | |
19 | // { dg-require-fileio "" } | |
20 | ||
21 | #include <fstream> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | const wchar_t name_01[] = L"filebuf_members-1.tst"; | |
25 | const wchar_t name_02[] = L"filebuf_members-1.txt"; | |
26 | ||
27 | // Test member functions. | |
28 | void test01() | |
29 | { | |
30 | const wchar_t* name_03 = L"filebuf_members-w3"; // empty file, need to create | |
31 | ||
32 | std::filebuf fb_01; // in | |
33 | std::filebuf fb_02; // out | |
34 | std::filebuf fb_03; // in | out | |
35 | ||
36 | // bool is_open() | |
37 | VERIFY( !fb_01.is_open() ); | |
38 | VERIFY( !fb_02.is_open() ); | |
39 | VERIFY( !fb_03.is_open() ); | |
40 | ||
41 | // filebuf_type* open(const wchar_t* __s, ios_base::openmode __mode) | |
42 | fb_01.open(name_01, std::ios_base::in | std::ios_base::ate); | |
43 | VERIFY( fb_01.is_open() ); | |
44 | ||
45 | // Try to open two different files without closing the first: | |
46 | // Should keep the old file attached, and disregard attempt to overthrow. | |
47 | std::filebuf* f = fb_02.open(name_02, std::ios_base::in | std::ios_base::out | |
48 | | std::ios_base::trunc); | |
49 | VERIFY( f ); | |
50 | VERIFY( fb_02.is_open() ); | |
51 | ||
52 | f = fb_02.open(name_03, std::ios_base::in | std::ios_base::out); | |
53 | VERIFY( !f ); | |
54 | VERIFY( fb_02.is_open() ); | |
55 | ||
56 | fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc); | |
57 | VERIFY( fb_03.is_open() ); | |
58 | } | |
59 | ||
60 | void test02() | |
61 | { | |
62 | std::wfilebuf fb; | |
63 | fb.open(name_01, std::wios::in); | |
64 | VERIFY( fb.is_open() ); | |
65 | } | |
66 | ||
67 | int | |
68 | main() | |
69 | { | |
70 | test01(); | |
71 | test02(); | |
72 | } |