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1 // Copyright (C) 2018-2023 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-do run { target c++11 } }
20 #include <system_error>
22 #include <testsuite_hooks.h>
27 const char* name
= std::system_category().name();
28 VERIFY( name
== std::string("system") );
34 const std::error_category
& cat
= std::system_category();
35 std::error_condition cond
;
37 #if defined __MING32__ || defined __MINGW64__
38 cond
= cat
.default_error_condition(8); // ERROR_NOT_ENOUGH_MEMORY
39 VERIFY( cond
.value() == ENOMEM
);
40 VERIFY( cond
.category() == std::generic_category() );
41 VERIFY( cond
== std::errc::not_enough_memory
);
43 cond
= cat
.default_error_condition(5); // ERROR_ACCESS_DENIED
44 VERIFY( cond
.value() == EACCES
);
45 VERIFY( cond
.category() == std::generic_category() );
46 VERIFY( cond
== std::errc::permission_denied
);
50 // As of 2011, ISO C only defines EDOM, EILSEQ and ERANGE:
51 cond
= cat
.default_error_condition(EDOM
);
52 VERIFY( cond
.value() == EDOM
);
53 VERIFY( cond
== std::errc::argument_out_of_domain
);
54 VERIFY( cond
.category() == std::generic_category() );
55 cond
= cat
.default_error_condition(EILSEQ
);
56 VERIFY( cond
.value() == EILSEQ
);
57 VERIFY( cond
== std::errc::illegal_byte_sequence
);
58 VERIFY( cond
.category() == std::generic_category() );
59 cond
= cat
.default_error_condition(ERANGE
);
60 VERIFY( cond
.value() == ERANGE
);
61 VERIFY( cond
== std::errc::result_out_of_range
);
62 VERIFY( cond
.category() == std::generic_category() );
64 // EBADF and EACCES are defined on all targets,
65 // according to config/os/*/error_constants.h
66 cond
= cat
.default_error_condition(EBADF
);
67 VERIFY( cond
.value() == EBADF
);
68 VERIFY( cond
== std::errc::bad_file_descriptor
);
69 VERIFY( cond
.category() == std::generic_category() );
70 cond
= cat
.default_error_condition(EACCES
);
71 VERIFY( cond
.value() == EACCES
);
72 VERIFY( cond
== std::errc::permission_denied
);
73 VERIFY( cond
.category() == std::generic_category() );
75 // All POSIX errno values are positive:
76 cond
= cat
.default_error_condition(-1);
77 VERIFY( cond
.value() == -1 );
78 VERIFY( cond
.category() == cat
);
79 cond
= cat
.default_error_condition(-99);
80 VERIFY( cond
.value() == -99 );
81 VERIFY( cond
.category() == cat
);
84 VERIFY( std::error_code(EDOM
, cat
) == std::errc::argument_out_of_domain
);
85 VERIFY( std::error_code(EILSEQ
, cat
) == std::errc::illegal_byte_sequence
);
86 VERIFY( std::error_code(ERANGE
, cat
) == std::errc::result_out_of_range
);
87 VERIFY( std::error_code(EBADF
, cat
) == std::errc::bad_file_descriptor
);
88 VERIFY( std::error_code(EACCES
, cat
) == std::errc::permission_denied
);
90 // As shown at https://gcc.gnu.org/ml/libstdc++/2018-08/msg00018.html
91 // these two error codes might have the same value on AIX, but we still
92 // expect both to be matched by system_category and so use generic_category:
94 cond
= cat
.default_error_condition(EEXIST
);
95 VERIFY( cond
.value() == EEXIST
);
96 VERIFY( cond
== std::errc::file_exists
);
97 VERIFY( cond
.category() == std::generic_category() );
98 VERIFY( std::error_code(EEXIST
, cat
) == std::errc::file_exists
);
101 cond
= cat
.default_error_condition(ENOTEMPTY
);
102 VERIFY( cond
.value() == ENOTEMPTY
);
103 VERIFY( cond
== std::errc::directory_not_empty
);
104 VERIFY( cond
.category() == std::generic_category() );
105 VERIFY( std::error_code(ENOTEMPTY
, cat
) == std::errc::directory_not_empty
);
112 // set "C" locale to get expected message
113 auto loc
= std::locale::global(std::locale::classic());
115 #if defined __MING32__ || defined __MINGW64__
116 std::string msg
= std::system_category().message(5); // ERROR_ACCESS_DENIED
117 VERIFY(msg
== "Access denied");
119 std::string msg
= std::system_category().message(EBADF
);
120 VERIFY( msg
.find("file") != std::string::npos
);
123 std::locale::global(loc
);