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Add test/variant_lt_gt

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Peter Dimov
2017-06-02 00:44:20 +03:00
parent 3a7078cdfb
commit 26c1f716ec
2 changed files with 86 additions and 0 deletions
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test/Jamfile
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@ -38,3 +38,4 @@ run variant_swap.cpp : : : $(REQ) ;
run variant_eq_ne.cpp : : : $(REQ) ;
run variant_destroy.cpp : : : $(REQ) ;
run variant_visit.cpp : : : $(REQ) ;
run variant_lt_gt.cpp : : : $(REQ) ;

85
test/variant_lt_gt.cpp Normal file
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@ -0,0 +1,85 @@
// 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; }
inline bool operator<=( X const&, X const& ) { return false; }
inline bool operator>=( X const&, X const& ) { return false; }
#define TEST_EQ( v1, v2 ) \
BOOST_TEST_NOT( v1 < v2 ); \
BOOST_TEST_NOT( v1 > v2 ); \
BOOST_TEST( v1 <= v2 ); \
BOOST_TEST( v1 >= v2 );
#define TEST_LE( v1, v3 ) \
BOOST_TEST( v1 < v3 ); \
BOOST_TEST( v3 > v1 ); \
BOOST_TEST_NOT( v1 > v3 ); \
BOOST_TEST_NOT( v3 < v1 ); \
BOOST_TEST( v1 <= v3 ); \
BOOST_TEST( v3 >= v1 ); \
BOOST_TEST_NOT( v1 >= v3 ); \
BOOST_TEST_NOT( v3 <= v1 );
int main()
{
{
variant<int> v1, v2, v3( 1 ), v4( 1 );
TEST_EQ( v1, v2 )
TEST_LE( v1, v3 )
TEST_EQ( v3, v4 )
}
{
variant<int, float> v1, v2, v3( 1 ), v4( 1 ), v5( 3.14f ), v6( 3.14f );
TEST_EQ( v1, v2 )
TEST_LE( v1, v3 )
TEST_EQ( v3, v4 )
TEST_LE( v1, v5 )
TEST_LE( v3, v5 )
TEST_EQ( v5, v6 )
}
{
variant<int, int, float> v1, v2, v3( in_place_index<1> ), v4( in_place_index<1> ), v5( 3.14f ), v6( 3.14f );
TEST_EQ( v1, v2 )
TEST_LE( v1, v3 )
TEST_EQ( v3, v4 )
TEST_LE( v1, v5 )
TEST_LE( v3, v5 )
TEST_EQ( v5, v6 )
}
{
variant<X> v1, v2;
BOOST_TEST_NOT( v1 < v2 );
BOOST_TEST_NOT( v1 > v2 );
BOOST_TEST_NOT( v1 <= v2 );
BOOST_TEST_NOT( v1 >= v2 );
}
return boost::report_errors();
}