1 | |
2 | // Copyright 2018 Peter Dimov. |
3 | // |
4 | // Distributed under the Boost Software License, Version 1.0. |
5 | // |
6 | // See accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt |
8 | |
9 | // See library home page at http://www.boost.org/libs/system |
10 | |
11 | #include <boost/system/error_code.hpp> |
12 | #include <boost/core/lightweight_test.hpp> |
13 | #include <boost/core/snprintf.hpp> |
14 | #include <cstring> |
15 | #include <cstdio> |
16 | |
17 | // |
18 | |
19 | #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8) |
20 | |
21 | #include <boost/config/pragma_message.hpp> |
22 | |
23 | BOOST_PRAGMA_MESSAGE( "Skipping test due to BOOST_WINDOWS_API && BOOST_SYSTEM_USE_UTF8" ) |
24 | |
25 | int main() {} |
26 | |
27 | #else |
28 | |
29 | #if defined(BOOST_WINDOWS_API) |
30 | |
31 | #include <windows.h> |
32 | |
33 | std::string sys_strerror( int ev ) |
34 | { |
35 | void * lpMsgBuf = 0; |
36 | |
37 | DWORD retval = FormatMessageA( |
38 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
39 | FORMAT_MESSAGE_FROM_SYSTEM | |
40 | FORMAT_MESSAGE_IGNORE_INSERTS, |
41 | NULL, |
42 | ev, |
43 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
44 | (LPSTR) &lpMsgBuf, |
45 | 0, |
46 | NULL |
47 | ); |
48 | |
49 | struct local_free |
50 | { |
51 | void * p_; |
52 | |
53 | ~local_free() |
54 | { |
55 | LocalFree( p_ ); |
56 | } |
57 | }; |
58 | |
59 | local_free lf_ = { lpMsgBuf }; |
60 | (void)lf_; |
61 | |
62 | if( retval == 0 ) |
63 | { |
64 | char buffer[ 38 ]; |
65 | |
66 | boost::core::snprintf( buffer, sizeof( buffer ), "Unknown error (%d)" , ev ); |
67 | return buffer; |
68 | } |
69 | |
70 | std::string str( static_cast<char const*>( lpMsgBuf ) ); |
71 | |
72 | while( !str.empty() && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r') ) |
73 | { |
74 | str.erase( str.size()-1 ); |
75 | } |
76 | |
77 | if( !str.empty() && str[str.size()-1] == '.' ) |
78 | { |
79 | str.erase( str.size()-1 ); |
80 | } |
81 | |
82 | return str; |
83 | } |
84 | |
85 | #else |
86 | |
87 | std::string sys_strerror( int ev ) |
88 | { |
89 | return std::strerror( errnum: ev ); |
90 | } |
91 | |
92 | #endif |
93 | |
94 | // |
95 | |
96 | namespace sys = boost::system; |
97 | |
98 | static void test_message( sys::error_category const & cat, int ev ) |
99 | { |
100 | BOOST_TEST_EQ( cat.message( ev ), sys_strerror( ev ) ); |
101 | |
102 | char buffer[ 4096 ]; // yes, really |
103 | BOOST_TEST_CSTR_EQ( cat.message( ev, buffer, sizeof( buffer ) ), sys_strerror( ev ).c_str() ); |
104 | } |
105 | |
106 | int main() |
107 | { |
108 | sys::error_category const & cat = sys::system_category(); |
109 | |
110 | // message |
111 | |
112 | for( int i = -2; i < 16000; ++i ) |
113 | { |
114 | test_message( cat, ev: i ); |
115 | } |
116 | |
117 | return boost::report_errors(); |
118 | } |
119 | |
120 | #endif // #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8) |
121 | |