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// Copyright Abel Sinkovics (abel@sinkovics.hu) 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)
#include <boost/metaparse/foldl_start_with_parser.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/string.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/get_result.hpp>
#include <boost/metaparse/return_.hpp>
#include <boost/metaparse/v1/impl/back_inserter.hpp>
#include "common.hpp"
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/char.hpp>
#include <boost/mpl/assert.hpp>
#include "test_case.hpp"
namespace
{
struct keep_state
{
typedef keep_state type;
template <class S, class C>
struct apply : S {};
};
}
BOOST_METAPARSE_TEST_CASE(foldl_start_with_parser)
{
using boost::metaparse::foldl_start_with_parser;
using boost::metaparse::start;
using boost::metaparse::is_error;
using boost::metaparse::lit_c;
using boost::metaparse::get_result;
using boost::mpl::equal_to;
using boost::mpl::apply_wrap2;
using boost::mpl::char_;
typedef foldl_start_with_parser<lit_c<'a'>, lit_c<'b'>, keep_state> p;
// test_b
BOOST_MPL_ASSERT((
equal_to<get_result<apply_wrap2<p, str_b, start> >::type, char_<'b'> >
));
// test_ba
BOOST_MPL_ASSERT((
equal_to<get_result<apply_wrap2<p, str_ba, start> >::type, char_<'b'> >
));
// test_baaaa
BOOST_MPL_ASSERT((
equal_to<get_result<apply_wrap2<p, str_baaaa, start> >::type, char_<'b'> >
));
// test_c
BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_c, start> >));
// test_ca
BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_ca, start> >));
}
// Test foldl_start_with_parser as a normal fold
using boost::metaparse::foldl_start_with_parser;
using boost::metaparse::return_;
using boost::metaparse::v1::impl::back_inserter;
using boost::mpl::vector;
namespace
{
template <class P>
struct repeated :
foldl_start_with_parser<P, return_<vector<> >, back_inserter>
{};
}
#define TEST_NAME foldl_start_with_parser_as_foldl
#include "repeated_test.hpp"
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