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")
main()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
main()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
69