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- // Copyright 2017 Peter Dimov.
- //
- // Distributed under the Boost Software License, Version 1.0.
- //
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- #include <boost/variant2/variant.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <utility>
- #include <string>
- using namespace boost::variant2;
- struct X
- {
- };
- inline bool operator==( X const&, X const& ) { return false; }
- inline bool operator!=( X const&, X const& ) { return false; }
- int main()
- {
- {
- variant<int> v1, v2, v3( 1 ), v4( 1 );
- BOOST_TEST( v1 == v2 );
- BOOST_TEST_NOT( v1 != v2 );
- BOOST_TEST( v1 != v3 );
- BOOST_TEST_NOT( v1 == v3 );
- BOOST_TEST( v3 == v4 );
- BOOST_TEST_NOT( v3 != v4 );
- }
- {
- variant<int, float> v1, v2, v3( 1 ), v4( 1 ), v5( 3.14f ), v6( 3.14f );
- BOOST_TEST( v1 == v2 );
- BOOST_TEST_NOT( v1 != v2 );
- BOOST_TEST( v1 != v3 );
- BOOST_TEST_NOT( v1 == v3 );
- BOOST_TEST( v3 == v4 );
- BOOST_TEST_NOT( v3 != v4 );
- BOOST_TEST( v1 != v5 );
- BOOST_TEST_NOT( v1 == v5 );
- BOOST_TEST( v3 != v5 );
- BOOST_TEST_NOT( v3 == v5 );
- BOOST_TEST( v5 == v6 );
- BOOST_TEST_NOT( v5 != v6 );
- }
- {
- variant<int, int, float> v1, v2, v3( in_place_index_t<1>{} ), v4( in_place_index_t<1>{} ), v5( 3.14f ), v6( 3.14f );
- BOOST_TEST( v1 == v2 );
- BOOST_TEST_NOT( v1 != v2 );
- BOOST_TEST( v1 != v3 );
- BOOST_TEST_NOT( v1 == v3 );
- BOOST_TEST( v3 == v4 );
- BOOST_TEST_NOT( v3 != v4 );
- BOOST_TEST( v1 != v5 );
- BOOST_TEST_NOT( v1 == v5 );
- BOOST_TEST( v3 != v5 );
- BOOST_TEST_NOT( v3 == v5 );
- BOOST_TEST( v5 == v6 );
- BOOST_TEST_NOT( v5 != v6 );
- }
- {
- variant<X> v1, v2;
- BOOST_TEST_NOT( v1 == v2 );
- BOOST_TEST_NOT( v1 != v2 );
- }
- return boost::report_errors();
- }
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