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