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1 | |
2 | // Copyright 2018 Peter Dimov. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | ||
5 | #include <boost/system/error_code.hpp> | |
6 | #include <boost/core/lightweight_test.hpp> | |
7 | #include <boost/config/pragma_message.hpp> | |
8 | #include <boost/static_assert.hpp> | |
9 | #include <boost/config.hpp> | |
10 | #include <boost/config/workaround.hpp> | |
11 | ||
12 | #if !defined(BOOST_SYSTEM_HAS_CONSTEXPR) | |
13 | ||
14 | BOOST_PRAGMA_MESSAGE("Skipping constexpr test, BOOST_SYSTEM_HAS_CONSTEXPR isn't defined") | |
15 | int main() {} | |
16 | ||
17 | #else | |
18 | ||
19 | using namespace boost::system; | |
20 | ||
21 | constexpr error_code e1( 1, system_category() ); | |
22 | ||
23 | BOOST_STATIC_ASSERT( e1.value() == 1 ); | |
24 | BOOST_STATIC_ASSERT( e1.category() == system_category() ); | |
25 | BOOST_STATIC_ASSERT( e1 ); | |
26 | BOOST_STATIC_ASSERT( e1 == e1 ); | |
27 | ||
28 | constexpr error_code e2( 2, generic_category() ); | |
29 | ||
30 | BOOST_STATIC_ASSERT( e2.value() == 2 ); | |
31 | BOOST_STATIC_ASSERT( e2.category() == generic_category() ); | |
32 | BOOST_STATIC_ASSERT( e2 ); | |
33 | BOOST_STATIC_ASSERT( e2 == e2 ); | |
34 | ||
35 | #if !BOOST_WORKAROUND(BOOST_GCC, < 80200) | |
36 | ||
37 | BOOST_STATIC_ASSERT( e1 != e2 ); | |
38 | ||
39 | #endif | |
40 | ||
41 | constexpr error_code e3; | |
42 | ||
43 | BOOST_STATIC_ASSERT( e3.value() == 0 ); | |
44 | BOOST_STATIC_ASSERT( e3.category() == system_category() ); | |
45 | BOOST_STATIC_ASSERT( !e3 ); | |
46 | BOOST_STATIC_ASSERT( e3 == e3 ); | |
47 | ||
48 | #if !BOOST_WORKAROUND(BOOST_GCC, < 80200) | |
49 | ||
50 | BOOST_STATIC_ASSERT( e1 != e3 ); | |
51 | ||
52 | #endif | |
53 | ||
54 | int main() | |
55 | { | |
56 | error_code e1_( 1, system_category() ); | |
57 | BOOST_TEST_EQ( e1, e1_ ); | |
58 | ||
59 | error_code e2_( 2, generic_category() ); | |
60 | BOOST_TEST_EQ( e2, e2_ ); | |
61 | ||
62 | error_code e3_; | |
63 | BOOST_TEST_EQ( e3, e3_ ); | |
64 | ||
65 | return boost::report_errors(); | |
66 | } | |
67 | ||
68 | #endif |