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/spaces.hpp>
7 #include <boost/metaparse/is_error.hpp>
8 #include <boost/metaparse/start.hpp>
9 #include <boost/metaparse/get_remaining.hpp>
10
11 #include "common.hpp"
12
13 #include <boost/mpl/equal_to.hpp>
14 #include <boost/mpl/apply_wrap.hpp>
15 #include <boost/mpl/not.hpp>
16 #include <boost/mpl/equal.hpp>
17 #include <boost/mpl/assert.hpp>
18
19 #include "test_case.hpp"
20
21 namespace
22 {
23 using boost::mpl::list_c;
24
25 typedef list_c<char, 'e', 'l', 'l', 'o'> str_ello;
26 typedef
27 list_c<char, ' ', '\t', '\n', '\r', 'e', 'l', 'l', 'o'>
28 str_____ello;
29
30 }
31
BOOST_METAPARSE_TEST_CASE(spaces)32 BOOST_METAPARSE_TEST_CASE(spaces)
33 {
34 using boost::metaparse::is_error;
35 using boost::metaparse::spaces;
36 using boost::metaparse::start;
37 using boost::metaparse::get_remaining;
38
39 using boost::mpl::apply_wrap2;
40 using boost::mpl::not_;
41 using boost::mpl::equal;
42
43 // test_reject_no_space
44 BOOST_MPL_ASSERT((
45 is_error<apply_wrap2<spaces, str_hello, start> >
46 ));
47
48 // test_accept_one_space
49 BOOST_MPL_ASSERT((
50 not_<is_error<apply_wrap2<spaces, str__ello, start> > >
51 ));
52
53 // test_accept_only_space
54 BOOST_MPL_ASSERT((
55 equal<get_remaining<apply_wrap2<spaces, str__ello, start> >::type, str_ello>
56 ));
57
58 // test_accept_all_spaces
59 BOOST_MPL_ASSERT((not_<is_error<apply_wrap2<spaces, str_____ello,start> > >));
60
61 // test_consume_all_spaces
62 BOOST_MPL_ASSERT((
63 equal<
64 get_remaining<apply_wrap2<spaces, str_____ello, start> >::type,
65 str_ello
66 >
67 ));
68 }
69
70
71