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92f5a8d4 | 1 | /* Unit testing for outcomes |
f67539c2 | 2 | (C) 2013-2020 Niall Douglas <http://www.nedproductions.biz/> (4 commits) |
92f5a8d4 TL |
3 | |
4 | ||
5 | Boost Software License - Version 1.0 - August 17th, 2003 | |
6 | ||
7 | Permission is hereby granted, free of charge, to any person or organization | |
8 | obtaining a copy of the software and accompanying documentation covered by | |
9 | this license (the "Software") to use, reproduce, display, distribute, | |
10 | execute, and transmit the Software, and to prepare derivative works of the | |
11 | Software, and to permit third-parties to whom the Software is furnished to | |
12 | do so, all subject to the following: | |
13 | ||
14 | The copyright notices in the Software and this entire statement, including | |
15 | the above license grant, this restriction and the following disclaimer, | |
16 | must be included in all copies of the Software, in whole or in part, and | |
17 | all derivative works of the Software, unless such copies or derivative | |
18 | works are solely in the form of machine-executable object code generated by | |
19 | a source language processor. | |
20 | ||
21 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT | |
24 | SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE | |
25 | FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, | |
26 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
27 | DEALINGS IN THE SOFTWARE. | |
28 | */ | |
29 | ||
30 | #include <boost/outcome/outcome.hpp> | |
31 | #include <boost/test/unit_test.hpp> | |
32 | #include <boost/test/unit_test_monitor.hpp> | |
33 | ||
34 | BOOST_OUTCOME_AUTO_TEST_CASE(works_outcome_default_construction, "Tests that outcome default constructs when it ought to") | |
35 | { | |
36 | using namespace BOOST_OUTCOME_V2_NAMESPACE; | |
37 | struct udt | |
38 | { | |
39 | int _v{78}; | |
40 | udt() = default; | |
41 | constexpr explicit udt(int v) noexcept : _v(v) {} | |
42 | udt(udt &&o) = delete; | |
43 | udt(const udt &) = delete; | |
44 | udt &operator=(udt &&o) = delete; | |
45 | udt &operator=(const udt &) = delete; | |
46 | ~udt() = default; | |
47 | constexpr int operator*() const noexcept { return _v; } | |
48 | }; | |
49 | // One path is via success_type<void> | |
50 | outcome<udt> a(success()); | |
51 | BOOST_CHECK(*a.value() == 78); | |
52 | ||
20effc67 TL |
53 | // Other path is via empty initialiser list |
54 | outcome<udt> d({}); | |
92f5a8d4 TL |
55 | BOOST_CHECK(*d.value() == 78); |
56 | } |