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1/*=============================================================================
2 Copyright (c) 2001-2003 Joel de Guzman
3 http://spirit.sourceforge.net/
4
5 Use, modification and distribution is subject to the Boost Software
6 License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 http://www.boost.org/LICENSE_1_0.txt)
8=============================================================================*/
9///////////////////////////////////////////////////////////////////////////////
10//
11// Fundamental meta sublayer tests
12//
13///////////////////////////////////////////////////////////////////////////////
14
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15#include <iostream>
16#include <boost/static_assert.hpp>
17#include <boost/spirit/include/classic_core.hpp>
18#include <boost/spirit/include/classic_meta.hpp>
19#include <boost/spirit/include/classic_assign_actor.hpp>
20
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21#include <boost/core/lightweight_test.hpp>
22
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23using namespace BOOST_SPIRIT_CLASSIC_NS;
24
25typedef ref_value_actor<char, assign_action> assign_actor;
26
27///////////////////////////////////////////////////////////////////////////////
28//
29// node_count_tests
30//
31///////////////////////////////////////////////////////////////////////////////
32void
33node_count_tests()
34{
35// simple types
36 typedef chlit<char> plain_t;
37 typedef optional<chlit<char> > optional_t;
38 typedef action<chlit<char>, assign_actor> action_t;
39 typedef sequence<chlit<char>, anychar_parser> sequence_t;
40
41 BOOST_STATIC_ASSERT(1 == node_count<plain_t>::value);
42 BOOST_STATIC_ASSERT(2 == node_count<optional_t>::value);
43 BOOST_STATIC_ASSERT(2 == node_count<action_t>::value);
44 BOOST_STATIC_ASSERT(3 == node_count<sequence_t>::value);
45
46// more elaborate types
47 typedef sequence<sequence<plain_t, action_t>, plain_t> sequence2_t;
48 typedef sequence<plain_t, sequence<action_t, plain_t> > sequence3_t;
49
50 BOOST_STATIC_ASSERT(6 == node_count<sequence2_t>::value);
51 BOOST_STATIC_ASSERT(6 == node_count<sequence3_t>::value);
52}
53
54///////////////////////////////////////////////////////////////////////////////
55//
56// leaf_count_tests
57//
58///////////////////////////////////////////////////////////////////////////////
59void
60leaf_count_tests()
61{
62// simple types
63 typedef chlit<char> plain_t;
64 typedef optional<chlit<char> > optional_t;
65 typedef action<chlit<char>, assign_actor> action_t;
66 typedef sequence<chlit<char>, anychar_parser> sequence_t;
67
68 BOOST_STATIC_ASSERT(1 == leaf_count<plain_t>::value);
69 BOOST_STATIC_ASSERT(1 == leaf_count<optional_t>::value);
70 BOOST_STATIC_ASSERT(1 == leaf_count<action_t>::value);
71 BOOST_STATIC_ASSERT(2 == leaf_count<sequence_t>::value);
72
73// more elaborate types
74 typedef sequence<sequence<plain_t, action_t>, plain_t> sequence2_t;
75 typedef sequence<plain_t, sequence<action_t, plain_t> > sequence3_t;
76
77 BOOST_STATIC_ASSERT(3 == leaf_count<sequence2_t>::value);
78 BOOST_STATIC_ASSERT(3 == leaf_count<sequence3_t>::value);
79}
80
81
82///////////////////////////////////////////////////////////////////////////////
83//
84// Main
85//
86///////////////////////////////////////////////////////////////////////////////
87int
88main()
89{
90 node_count_tests();
91 leaf_count_tests();
92
93 return boost::report_errors();
94}
95