ceph/src/boost/libs/metaparse/test/fail_at_first_char_expected.cpp

   1 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 //    (See accompanying file LICENSE_1_0.txt or copy at
   4 //          http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/metaparse/fail_at_first_char_expected.hpp>
   7 #include <boost/metaparse/is_error.hpp>
   8 #include <boost/metaparse/start.hpp>
   9 #include <boost/metaparse/keyword.hpp>
  10
  11 #include <boost/mpl/assert.hpp>
  12
  13 #include "common.hpp"
  14
  15 #include "test_case.hpp"
  16
  17 BOOST_METAPARSE_TEST_CASE(fail_at_first_char_expected)
  18 {
  19   using boost::metaparse::fail_at_first_char_expected;
  20   using boost::metaparse::is_error;
  21   using boost::metaparse::start;
  22
  23   typedef boost::metaparse::keyword<str_hello> accept_hello;
  24
  25   // test_failure_at_first_char_is_ignored
  26   BOOST_MPL_ASSERT_NOT((
  27     is_error<fail_at_first_char_expected<accept_hello>::apply<str_ab, start> >
  28   ));
  29
  30   // test_no_failure_is_error
  31   BOOST_MPL_ASSERT((
  32     is_error<
  33       fail_at_first_char_expected<accept_hello>::apply<str_hello, start>
  34     >
  35   ));
  36
  37   // test_failure_at_second_char_is_not_ignored
  38   BOOST_MPL_ASSERT((
  39     is_error< fail_at_first_char_expected<accept_hello>::apply<str_h, start> >
  40   ));
  41 }
  42