spirit/test/x3/lexeme.cpp
2015-05-14 02:13:24 +08:00

43 lines
1.4 KiB
C++

/*=============================================================================
Copyright (c) 2001-2015 Joel de Guzman
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/detail/lightweight_test.hpp>
#include <boost/spirit/home/x3.hpp>
#include <iostream>
#include "test.hpp"
int
main()
{
using spirit_test::test;
using boost::spirit::x3::ascii::space;
using boost::spirit::x3::ascii::space_type;
using boost::spirit::x3::ascii::digit;
using boost::spirit::x3::lexeme;
using boost::spirit::x3::rule;
{
BOOST_TEST((test(" 1 2 3 4 5", +digit, space)));
BOOST_TEST((!test(" 1 2 3 4 5", lexeme[+digit], space)));
BOOST_TEST((test(" 12345", lexeme[+digit], space)));
BOOST_TEST((test(" 12345 ", lexeme[+digit], space, false)));
// lexeme collapsing
BOOST_TEST((!test(" 1 2 3 4 5", lexeme[lexeme[+digit]], space)));
BOOST_TEST((test(" 12345", lexeme[lexeme[+digit]], space)));
BOOST_TEST((test(" 12345 ", lexeme[lexeme[+digit]], space, false)));
auto r = +digit;
auto rr = lexeme[r];
BOOST_TEST((!test(" 1 2 3 4 5", rr, space)));
BOOST_TEST((test(" 12345", rr, space)));
}
return boost::report_errors();
}