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1e59de90 | 1 | // Copyright 2018-2022 Emil Dotchevski and Reverge Studios, Inc. |
20effc67 TL |
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 | ||
1e59de90 TL |
6 | #include <boost/leaf/config.hpp> |
7 | ||
20effc67 TL |
8 | #ifdef BOOST_LEAF_NO_EXCEPTIONS |
9 | ||
10 | #include <iostream> | |
11 | ||
12 | int main() | |
13 | { | |
14 | std::cout << "Unit test not applicable." << std::endl; | |
15 | return 0; | |
16 | } | |
17 | ||
18 | #else | |
19 | ||
1e59de90 TL |
20 | #ifdef BOOST_LEAF_TEST_SINGLE_HEADER |
21 | # include "leaf.hpp" | |
22 | #else | |
23 | # include <boost/leaf/on_error.hpp> | |
24 | # include <boost/leaf/handle_errors.hpp> | |
25 | # include <boost/leaf/exception.hpp> | |
26 | #endif | |
27 | ||
20effc67 TL |
28 | #include "lightweight_test.hpp" |
29 | ||
30 | namespace leaf = boost::leaf; | |
31 | ||
32 | template <int> | |
33 | struct info | |
34 | { | |
35 | int value; | |
36 | }; | |
37 | ||
38 | void f0() | |
39 | { | |
40 | auto load = leaf::on_error( [] { return info<0>{0}; } ); | |
41 | throw leaf::exception(info<2>{2}); | |
42 | } | |
43 | ||
44 | void f1() | |
45 | { | |
46 | auto load = leaf::on_error( [] { return info<0>{-1}; }, [] { return info<1>{1}; }, [] { return info<2>{-1}; } ); | |
47 | f0(); | |
48 | } | |
49 | ||
50 | void f2() | |
51 | { | |
52 | try | |
53 | { | |
54 | f1(); | |
55 | } | |
56 | catch( leaf::error_id const & err ) | |
57 | { | |
58 | err.load( info<3>{3} ); | |
59 | throw; | |
60 | } | |
61 | } | |
62 | ||
63 | int main() | |
64 | { | |
65 | int r = leaf::try_catch( | |
66 | [] | |
67 | { | |
68 | f2(); | |
69 | return 0; | |
70 | }, | |
71 | []( info<0> i0, info<1> i1, info<2> i2, info<3> i3 ) | |
72 | { | |
73 | BOOST_TEST_EQ(i0.value, 0); | |
74 | BOOST_TEST_EQ(i1.value, 1); | |
75 | BOOST_TEST_EQ(i2.value, 2); | |
76 | BOOST_TEST_EQ(i3.value, 3); | |
77 | return 1; | |
78 | }, | |
79 | [] | |
80 | { | |
81 | return 2; | |
82 | } ); | |
83 | BOOST_TEST_EQ(r, 1); | |
84 | ||
85 | return boost::report_errors(); | |
86 | } | |
87 | ||
88 | #endif |