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/last_of.hpp>
7 #include <boost/metaparse/is_error.hpp>
8 #include <boost/metaparse/start.hpp>
9 #include <boost/metaparse/get_result.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/assert.hpp>
16
17 #include "test_case.hpp"
18
BOOST_METAPARSE_TEST_CASE(last_of)19 BOOST_METAPARSE_TEST_CASE(last_of)
20 {
21 using boost::metaparse::get_result;
22 using boost::metaparse::last_of;
23 using boost::metaparse::start;
24 using boost::metaparse::is_error;
25
26 using boost::mpl::equal_to;
27 using boost::mpl::apply_wrap2;
28
29 // test_one_char
30 BOOST_MPL_ASSERT((
31 equal_to<
32 get_result<apply_wrap2<last_of<lit_h>, str_hello, start> >::type,
33 char_h
34 >
35 ));
36
37 // test_two_chars
38 BOOST_MPL_ASSERT((
39 equal_to<
40 get_result<apply_wrap2<last_of<lit_h, lit_e>, str_hello, start> >::type,
41 char_e
42 >
43 ));
44
45 // test_first_fails
46 BOOST_MPL_ASSERT((
47 is_error<apply_wrap2<last_of<lit_x, lit_e>, str_hello, start> >
48 ));
49
50 // test_second_fails
51 BOOST_MPL_ASSERT((
52 is_error<apply_wrap2<last_of<lit_h, lit_x>, str_hello, start> >
53 ));
54
55 // test_empty_input
56 BOOST_MPL_ASSERT((
57 is_error<apply_wrap2<last_of<lit_h, lit_e>, str_, start> >
58 ));
59
60 // test_three_chars
61 BOOST_MPL_ASSERT((
62 equal_to<
63 get_result<
64 apply_wrap2<last_of<lit_h, lit_e, lit_l>, str_hello, start>
65 >::type,
66 char_l
67 >
68 ));
69 }
70
71
72