1// Copyright Abel Sinkovics (abel@sinkovics.hu) 2010.
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/keyword.hpp>
7#include <boost/metaparse/is_error.hpp>
8#include <boost/metaparse/start.hpp>
9#include <boost/metaparse/get_result.hpp>
10#include <boost/metaparse/get_remaining.hpp>
11
12#include "common.hpp"
13
14#include <boost/mpl/equal_to.hpp>
15#include <boost/mpl/apply_wrap.hpp>
16#include <boost/mpl/equal.hpp>
17#include <boost/mpl/assert.hpp>
18
19#include "test_case.hpp"
20
21namespace
22{
23 using boost::metaparse::keyword;
24
25 using boost::mpl::list_c;
26
27 typedef
28 list_c<char, 'h','e','l','l','o',' ','w','o','r','l','d'>
29 str_hello_world;
30
31 typedef list_c<char, 'h','e','l','l','x'> str_hellx;
32 typedef list_c<char, 'h','x','l','l','o'> str_hxllo;
33
34 typedef keyword<str_hello> keyword_hello;
35}
36
37BOOST_METAPARSE_TEST_CASE(keyword)
38{
39 using boost::metaparse::get_result;
40 using boost::metaparse::start;
41 using boost::metaparse::is_error;
42 using boost::metaparse::get_remaining;
43
44 using boost::mpl::equal_to;
45 using boost::mpl::apply_wrap2;
46 using boost::mpl::equal;
47
48 // test_result_type
49 BOOST_MPL_ASSERT((
50 equal_to<
51 get_result<
52 apply_wrap2<keyword<str_hello, char_l>, str_hello, start>
53 >::type,
54 char_l
55 >
56 ));
57
58 // test_empty_keyword
59 BOOST_MPL_ASSERT((
60 equal_to<
61 get_result<apply_wrap2<keyword<str_, char_l>, str_hello, start> >::type,
62 char_l
63 >
64 ));
65
66 // test_empty_input
67 BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_, start> >));
68
69 // test_itself
70 BOOST_MPL_ASSERT((
71 equal<
72 get_remaining<apply_wrap2<keyword_hello, str_hello, start> >::type,
73 str_
74 >
75 ));
76
77 // test_more_than_itself
78 BOOST_MPL_ASSERT((
79 equal<
80 get_remaining<apply_wrap2<keyword_hello, str_hello_world, start> >::type,
81 list_c<char, ' ', 'w', 'o', 'r', 'l', 'd'>
82 >
83 ));
84
85 // test_no_match_at_end
86 BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_hellx, start> >));
87
88 // test_no_match_in_the_middle
89 BOOST_MPL_ASSERT((is_error<apply_wrap2<keyword_hello, str_hxllo, start> >));
90}
91
92

source code of boost/libs/metaparse/test/keyword.cpp