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hana/test/range/comparable.cpp

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2.7 KiB
C++

/*
@copyright Louis Dionne 2015
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/range.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/tuple.hpp>
#include <laws/comparable.hpp>
using namespace boost::hana;
int main() {
//////////////////////////////////////////////////////////////////////////
// Setup for the laws below
//////////////////////////////////////////////////////////////////////////
auto ranges = make<Tuple>(
range(int_<0>, int_<0>)
, range(int_<0>, int_<1>)
, range(int_<0>, int_<2>)
, range(int_<1>, int_<1>)
, range(int_<1>, int_<2>)
, range(int_<1>, int_<3>)
, range(int_<50>, int_<60>)
, range(int_<50>, long_<60>)
, range(long_<50>, int_<60>)
);
//////////////////////////////////////////////////////////////////////////
// Comparable
//////////////////////////////////////////////////////////////////////////
{
// equal
{
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<0>, int_<0>),
range(int_<0>, int_<0>)
));
BOOST_HANA_CONSTANT_CHECK(not_(equal(
range(int_<0>, int_<0>),
range(int_<0>, int_<1>))
));
BOOST_HANA_CONSTANT_CHECK(not_(equal(
range(int_<0>, int_<1>),
range(int_<0>, int_<0>))
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<0>, int_<1>),
range(int_<0>, int_<1>)
));
BOOST_HANA_CONSTANT_CHECK(not_(equal(
range(int_<0>, int_<2>),
range(int_<0>, int_<1>))
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<0>, int_<2>),
range(int_<0>, int_<2>)
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<0>, int_<0>),
range(int_<2>, int_<2>)
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<2>, int_<4>),
range(int_<2>, int_<4>)
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<-4>, int_<-3>),
range(int_<-4>, int_<-3>)
));
BOOST_HANA_CONSTANT_CHECK(equal(
range(int_<-4>, int_<2>),
range(int_<-4>, int_<2>)
));
}
// operators
static_assert(has_operator<Range, decltype(equal)>{}, "");
static_assert(has_operator<Range, decltype(not_equal)>{}, "");
// laws
test::TestComparable<Range>{ranges};
}
}