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99dee823 | 1 | // Copyright (C) 2018-2021 Free Software Foundation, Inc. |
24d9b090 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 | ||
de4db54f | 18 | // { dg-options "-std=gnu++17" } |
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19 | // { dg-do run { target c++17 } } |
20 | // { dg-require-filesystem-ts "" } | |
21 | ||
22 | #include <filesystem> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | using std::filesystem::filesystem_error; | |
26 | ||
66f31224 JW |
27 | // The COW std::string does not have noexcept copies, because copying a |
28 | // "leaked" string can throw (and for fully-dynamic strings, copying the | |
29 | // empty rep can also throw). | |
30 | // That's OK, because we know that the std::string in the std::runtime_error | |
31 | // or std::logic_error base class won't be leaked (and usually won't be empty). | |
32 | // The is_nothrow_xxx type traits don't know that though, so we can only | |
33 | // check them for the cxx11 ABI, which uses __cow_string, which has noexcept | |
34 | // copies. | |
35 | #if _GLIBCXX_USE_CXX11_ABI | |
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36 | // PR libstdc++/83306 |
37 | static_assert(std::is_nothrow_copy_constructible_v<filesystem_error>); | |
38 | static_assert(std::is_nothrow_copy_assignable_v<filesystem_error>); | |
66f31224 | 39 | #endif |
24d9b090 JW |
40 | |
41 | void | |
42 | test01() | |
43 | { | |
44 | const char* const str = "error test"; | |
45 | const std::error_code ec = make_error_code(std::errc::is_a_directory); | |
46 | const filesystem_error e1(str, ec); | |
47 | auto e2 = e1; | |
48 | VERIFY( e2.path1().empty() ); | |
49 | VERIFY( e2.path2().empty() ); | |
50 | VERIFY( std::string_view(e2.what()).find(str) != std::string_view::npos ); | |
51 | VERIFY( e2.code() == ec ); | |
52 | ||
53 | const filesystem_error e3(str, "test/path/one", ec); | |
54 | auto e4 = e3; | |
55 | VERIFY( e4.path1() == "test/path/one" ); | |
56 | VERIFY( e4.path2().empty() ); | |
57 | VERIFY( std::string_view(e4.what()).find(str) != std::string_view::npos ); | |
58 | VERIFY( e2.code() == ec ); | |
59 | ||
60 | const filesystem_error e5(str, "test/path/one", "/test/path/two", ec); | |
61 | auto e6 = e5; | |
62 | VERIFY( e6.path1() == "test/path/one" ); | |
63 | VERIFY( e6.path2() == "/test/path/two" ); | |
64 | VERIFY( std::string_view(e6.what()).find(str) != std::string_view::npos ); | |
65 | VERIFY( e2.code() == ec ); | |
66 | } | |
67 | ||
68 | void | |
69 | test02() | |
70 | { | |
71 | const char* const str = "error test"; | |
72 | const std::error_code ec = make_error_code(std::errc::is_a_directory); | |
73 | const filesystem_error e1(str, ec); | |
74 | filesystem_error e2("", {}); | |
75 | e2 = e1; | |
76 | VERIFY( e2.path1().empty() ); | |
77 | VERIFY( e2.path2().empty() ); | |
78 | VERIFY( std::string_view(e2.what()).find(str) != std::string_view::npos ); | |
79 | VERIFY( e2.code() == ec ); | |
80 | ||
81 | const filesystem_error e3(str, "test/path/one", ec); | |
82 | filesystem_error e4("", {}); | |
83 | e4 = e3; | |
84 | VERIFY( e4.path1() == "test/path/one" ); | |
85 | VERIFY( e4.path2().empty() ); | |
86 | VERIFY( std::string_view(e4.what()).find(str) != std::string_view::npos ); | |
87 | VERIFY( e2.code() == ec ); | |
88 | ||
89 | const filesystem_error e5(str, "test/path/one", "/test/path/two", ec); | |
90 | filesystem_error e6("", {}); | |
91 | e6 = e5; | |
92 | VERIFY( e6.path1() == "test/path/one" ); | |
93 | VERIFY( e6.path2() == "/test/path/two" ); | |
94 | VERIFY( std::string_view(e6.what()).find(str) != std::string_view::npos ); | |
95 | VERIFY( e2.code() == ec ); | |
96 | } | |
97 | ||
98 | void | |
99 | test03() | |
100 | { | |
101 | filesystem_error e("test", std::error_code()); | |
102 | VERIFY( e.path1().empty() ); | |
103 | VERIFY( e.path2().empty() ); | |
104 | auto e2 = std::move(e); | |
105 | // Observers must still be usable on moved-from object: | |
106 | VERIFY( e.path1().empty() ); | |
107 | VERIFY( e.path2().empty() ); | |
108 | VERIFY( e.what() != nullptr ); | |
109 | e2 = std::move(e); | |
110 | VERIFY( e.path1().empty() ); | |
111 | VERIFY( e.path2().empty() ); | |
112 | VERIFY( e.what() != nullptr ); | |
113 | } | |
114 | ||
115 | int | |
116 | main() | |
117 | { | |
118 | test01(); | |
119 | test02(); | |
120 | test03(); | |
121 | } |