1 | //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. |
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2 | |
3 | //Distributed under the Boost Software License, Version 1.0. (See accompanying |
4 | //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
5 | |
6 | #define BOOST_NORETURN |
7 | #include <boost/config.hpp> |
8 | |
9 | #if !defined( BOOST_NO_EXCEPTIONS ) |
10 | # error This program requires exception handling disabled. |
11 | #endif |
12 | |
13 | #include <boost/exception_ptr.hpp> |
14 | #include <boost/exception/get_error_info.hpp> |
15 | #include <boost/detail/lightweight_test.hpp> |
16 | |
17 | typedef boost::error_info<struct tag_answer,int> answer; |
18 | |
19 | int exc_count; |
20 | |
21 | struct |
22 | err: |
23 | virtual boost::exception, |
24 | virtual std::exception |
25 | { |
26 | err() |
27 | { |
28 | ++exc_count; |
29 | } |
30 | |
31 | err( err const & ) |
32 | { |
33 | ++exc_count; |
34 | } |
35 | |
36 | virtual |
37 | ~err() BOOST_NOEXCEPT_OR_NOTHROW |
38 | { |
39 | --exc_count; |
40 | } |
41 | |
42 | private: |
43 | |
44 | err & operator=( err const & ); |
45 | }; |
46 | |
47 | |
48 | namespace |
49 | { |
50 | bool throw_exception_called; |
51 | } |
52 | |
53 | // It is not valid to return to the caller but we do for testing purposes. |
54 | namespace |
55 | boost |
56 | { |
57 | void |
58 | throw_exception( std::exception const & e ) |
59 | { |
60 | throw_exception_called = true; |
61 | BOOST_TEST(dynamic_cast<err const *>(&e)!=0); |
62 | int const * ans=boost::get_error_info<answer>(some_exception: e); |
63 | BOOST_TEST(ans && *ans==42); |
64 | } |
65 | |
66 | struct source_location; |
67 | void |
68 | throw_exception( std::exception const & e, boost::source_location const & ) |
69 | { |
70 | throw_exception_called = true; |
71 | BOOST_TEST(dynamic_cast<err const *>(&e)!=0); |
72 | int const * ans=boost::get_error_info<answer>(some_exception: e); |
73 | BOOST_TEST(ans && *ans==42); |
74 | } |
75 | } |
76 | |
77 | void |
78 | simple_test() |
79 | { |
80 | boost::exception_ptr p = boost::copy_exception(e: err() << answer(42)); |
81 | throw_exception_called = false; |
82 | boost::exception_detail::rethrow_exception_(p); |
83 | BOOST_TEST(throw_exception_called); |
84 | } |
85 | |
86 | int |
87 | main() |
88 | { |
89 | BOOST_TEST(++exc_count==1); |
90 | simple_test(); |
91 | BOOST_TEST(!--exc_count); |
92 | return boost::report_errors(); |
93 | } |
94 |