metaparse/test/foldl_reject_incomplete_start_with_parser.cpp
2015-09-08 20:27:29 +02:00

98 lines
2.4 KiB
C++

// Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
// 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_reject_incomplete_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/sequence.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_reject_incomplete_start_with_parser)
{
using boost::metaparse::foldl_reject_incomplete_start_with_parser;
using boost::metaparse::start;
using boost::metaparse::is_error;
using boost::metaparse::lit_c;
using boost::metaparse::get_result;
using boost::metaparse::sequence;
using boost::mpl::equal_to;
using boost::mpl::apply_wrap2;
using boost::mpl::char_;
typedef sequence<lit_c<'a'>, lit_c<'a'> > aa;
typedef
foldl_reject_incomplete_start_with_parser<aa, 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(( is_error<apply_wrap2<p, str_ba, start> > ));
// 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_reject_incomplete_start_with_parser as a normal fold
using boost::metaparse::foldl_reject_incomplete_start_with_parser;
using boost::metaparse::return_;
using boost::metaparse::v1::impl::back_inserter;
using boost::mpl::vector;
namespace
{
template <class P>
struct repeated_reject_incomplete :
foldl_reject_incomplete_start_with_parser<
P,
return_<vector<> >,
back_inserter
>
{};
}
#define TEST_NAME \
foldl_reject_incomplete_start_with_parser_as_foldl_reject_incomplete
#include "repeated_reject_incomplete_test.hpp"