1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
*
* Copyright (c) 2004
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE test_not_regex.hpp
* VERSION see <boost/version.hpp>
* DESCRIPTION: Declares tests for invalid regexes.
*/
#ifndef BOOST_REGEX_REGRESS_TEST_NOT_REGEX_HPP
#define BOOST_REGEX_REGRESS_TEST_NOT_REGEX_HPP
#include "info.hpp"
//
// this file implements a test for a regular expression that should not compile:
//
struct test_invalid_regex_tag{};
template<class charT, class traits>
void test_empty(boost::basic_regex<charT, traits>& r)
{
if(!r.empty())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::empty().", charT);
}
if(r.size())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::size().", charT);
}
if(r.str().size())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::str().", charT);
}
if(r.begin() != r.end())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::begin().", charT);
}
if(r.status() == 0)
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::status().", charT);
}
if(r.begin() != r.end())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::begin().", charT);
}
}
template<class charT, class traits>
void test(boost::basic_regex<charT, traits>& r, const test_invalid_regex_tag&)
{
const std::basic_string<charT>& expression = test_info<charT>::expression();
boost::regex_constants::syntax_option_type syntax_options = test_info<charT>::syntax_options();
//
// try it with exceptions disabled first:
//
#ifndef BOOST_NO_EXCEPTIONS
try
#endif
{
if(0 == r.assign(expression, syntax_options | boost::regex_constants::no_except).status())
{
BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", charT);
}
test_empty(r);
}
#ifndef BOOST_NO_EXCEPTIONS
catch(...)
{
BOOST_REGEX_TEST_ERROR("Unexpected exception thrown.", charT);
}
#endif
//
// now try again with exceptions:
//
bool have_catch = false;
#ifndef BOOST_NO_EXCEPTIONS
try
#endif
{
r.assign(expression, syntax_options);
#ifdef BOOST_NO_EXCEPTIONS
if(r.status())
have_catch = true;
#endif
}
#ifndef BOOST_NO_EXCEPTIONS
catch(const boost::bad_expression&)
{
have_catch = true;
test_empty(r);
}
catch(const std::runtime_error& e)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::runtime_error instead: " << e.what(), charT);
}
catch(const std::exception& e)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::exception instead: " << e.what(), charT);
}
catch(...)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but got an exception of unknown type instead", charT);
}
#endif
if(!have_catch)
{
// oops expected exception was not thrown:
BOOST_REGEX_TEST_ERROR("Expected an exception, but didn't find one.", charT);
}
}
#endif
|
