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 // Avoid spurious VC++ warnings
12 # define _CRT_SECURE_NO_WARNINGS
13
14 #include <boost/system/error_code.hpp>
15 #include <boost/core/lightweight_test.hpp>
16 #include <cstring>
17 #include <cstdio>
18
19 //
20
21 #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8)
22
23 #include <boost/config/pragma_message.hpp>
24
25 BOOST_PRAGMA_MESSAGE( "Skipping test due to BOOST_WINDOWS_API && BOOST_SYSTEM_USE_UTF8" )
26
main()27 int main() {}
28
29 #else
30
31 #if defined(BOOST_WINDOWS_API)
32
33 #include <windows.h>
34
sys_strerror(int ev)35 std::string sys_strerror( int ev )
36 {
37 void * lpMsgBuf = 0;
38
39 DWORD retval = FormatMessageA(
40 FORMAT_MESSAGE_ALLOCATE_BUFFER |
41 FORMAT_MESSAGE_FROM_SYSTEM |
42 FORMAT_MESSAGE_IGNORE_INSERTS,
43 NULL,
44 ev,
45 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
46 (LPSTR) &lpMsgBuf,
47 0,
48 NULL
49 );
50
51 struct local_free
52 {
53 void * p_;
54
55 ~local_free()
56 {
57 LocalFree( p_ );
58 }
59 };
60
61 local_free lf_ = { lpMsgBuf };
62
63 if( retval == 0 )
64 {
65 char buffer[ 38 ];
66
67 std::sprintf( buffer, "Unknown error (%d)", ev );
68 return buffer;
69 }
70
71 std::string str( static_cast<char const*>( lpMsgBuf ) );
72
73 while( !str.empty() && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r') )
74 {
75 str.erase( str.size()-1 );
76 }
77
78 if( !str.empty() && str[str.size()-1] == '.' )
79 {
80 str.erase( str.size()-1 );
81 }
82
83 return str;
84 }
85
86 #else
87
sys_strerror(int ev)88 std::string sys_strerror( int ev )
89 {
90 return std::strerror( ev );
91 }
92
93 #endif
94
95 //
96
97 namespace sys = boost::system;
98
test_message(sys::error_category const & cat,int ev)99 static void test_message( sys::error_category const & cat, int ev )
100 {
101 BOOST_TEST_EQ( cat.message( ev ), sys_strerror( ev ) );
102
103 char buffer[ 4096 ]; // yes, really
104 BOOST_TEST_CSTR_EQ( cat.message( ev, buffer, sizeof( buffer ) ), sys_strerror( ev ).c_str() );
105 }
106
main()107 int main()
108 {
109 sys::error_category const & cat = sys::system_category();
110
111 // message
112
113 for( int i = -2; i < 16000; ++i )
114 {
115 test_message( cat, i );
116 }
117
118 return boost::report_errors();
119 }
120
121 #endif // #if defined(BOOST_WINDOWS_API) && defined(BOOST_SYSTEM_USE_UTF8)
122