metaparse/test/fail_at_first_char_expected.cpp
2016-02-11 23:51:32 +01:00

43 lines
1.2 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/fail_at_first_char_expected.hpp>
#include <boost/metaparse/is_error.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/keyword.hpp>
#include <boost/mpl/assert.hpp>
#include "common.hpp"
#include "test_case.hpp"
BOOST_METAPARSE_TEST_CASE(fail_at_first_char_expected)
{
using boost::metaparse::fail_at_first_char_expected;
using boost::metaparse::is_error;
using boost::metaparse::start;
typedef boost::metaparse::keyword<str_hello> accept_hello;
// test_failure_at_first_char_is_ignored
BOOST_MPL_ASSERT_NOT((
is_error<fail_at_first_char_expected<accept_hello>::apply<str_ab, start> >
));
// test_no_failure_is_error
BOOST_MPL_ASSERT((
is_error<
fail_at_first_char_expected<accept_hello>::apply<str_hello, start>
>
));
// test_failure_at_second_char_is_not_ignored
BOOST_MPL_ASSERT((
is_error< fail_at_first_char_expected<accept_hello>::apply<str_h, start> >
));
}