hana/test/string/less.cpp
2017-01-07 14:14:18 -08:00

66 lines
1.7 KiB
C++

// Copyright Louis Dionne 2013-2017
// 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/assert.hpp>
#include <boost/hana/greater.hpp>
#include <boost/hana/greater_equal.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/less.hpp>
#include <boost/hana/less_equal.hpp>
#include <boost/hana/not.hpp>
#include <boost/hana/string.hpp>
namespace hana = boost::hana;
int main() {
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
BOOST_HANA_STRING(""),
BOOST_HANA_STRING("")
)));
BOOST_HANA_CONSTANT_CHECK(hana::less(
BOOST_HANA_STRING(""),
BOOST_HANA_STRING("a")
));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
BOOST_HANA_STRING("a"),
BOOST_HANA_STRING("")
)));
BOOST_HANA_CONSTANT_CHECK(hana::less(
BOOST_HANA_STRING("a"),
BOOST_HANA_STRING("ab")
));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
BOOST_HANA_STRING("ab"),
BOOST_HANA_STRING("ab")
)));
BOOST_HANA_CONSTANT_CHECK(hana::less(
BOOST_HANA_STRING("abc"),
BOOST_HANA_STRING("abcde")
));
BOOST_HANA_CONSTANT_CHECK(hana::less(
BOOST_HANA_STRING("abcde"),
BOOST_HANA_STRING("abfde")
));
// check operators
BOOST_HANA_CONSTANT_CHECK(
BOOST_HANA_STRING("abc") < BOOST_HANA_STRING("abcd")
);
BOOST_HANA_CONSTANT_CHECK(
BOOST_HANA_STRING("abc") <= BOOST_HANA_STRING("abcd")
);
BOOST_HANA_CONSTANT_CHECK(
BOOST_HANA_STRING("abcd") > BOOST_HANA_STRING("abc")
);
BOOST_HANA_CONSTANT_CHECK(
BOOST_HANA_STRING("abcd") >= BOOST_HANA_STRING("abc")
);
}