algorithm/test/empty_search_test.cpp
2016-02-15 22:23:58 -08:00

82 lines
2.5 KiB
C++

/*
Copyright (c) Marshall Clow 2010-2012.
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)
For more information, see http://www.boost.org
*/
#include <string>
#include <boost/algorithm/searching/boyer_moore.hpp>
#include <boost/algorithm/searching/boyer_moore_horspool.hpp>
#include <boost/algorithm/searching/knuth_morris_pratt.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_CASE( test_main )
{
const std::string cs;
std::string estr;
std::string str ( "abc" );
// empty corpus, empty pattern
BOOST_CHECK (
boost::algorithm::boyer_moore_search (
cs.begin (), cs.end (), estr.begin (), estr.end ())
== std::make_pair(cs.begin(), cs.begin())
);
BOOST_CHECK (
boost::algorithm::boyer_moore_horspool_search (
cs.begin (), cs.end (), estr.begin (), estr.end ())
== std::make_pair(cs.begin(), cs.begin())
);
BOOST_CHECK (
boost::algorithm::knuth_morris_pratt_search (
cs.begin (), cs.end (), estr.begin (), estr.end ())
== std::make_pair(cs.begin(), cs.begin())
);
// empty corpus, non-empty pattern
BOOST_CHECK (
boost::algorithm::boyer_moore_search (
estr.begin (), estr.end (), str.begin (), str.end ())
== std::make_pair(estr.end(), estr.end())
);
BOOST_CHECK (
boost::algorithm::boyer_moore_horspool_search (
estr.begin (), estr.end (), str.begin (), str.end ())
== std::make_pair(estr.end(), estr.end())
);
BOOST_CHECK (
boost::algorithm::knuth_morris_pratt_search (
estr.begin (), estr.end (), str.begin (), str.end ())
== std::make_pair(estr.end(), estr.end())
);
// non-empty corpus, empty pattern
BOOST_CHECK (
boost::algorithm::boyer_moore_search (
str.begin (), str.end (), estr.begin (), estr.end ())
== std::make_pair(str.begin(), str.begin())
);
BOOST_CHECK (
boost::algorithm::boyer_moore_horspool_search (
str.begin (), str.end (), estr.begin (), estr.end ())
== std::make_pair(str.begin(), str.begin())
);
BOOST_CHECK (
boost::algorithm::knuth_morris_pratt_search (
str.begin (), str.end (), estr.begin (), estr.end ())
== std::make_pair(str.begin(), str.begin())
);
}