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1 | /*============================================================================= |
2 | Copyright (c) 2001-2011 Hartmut Kaiser | |
3 | Copyright (c) 2001-2011 Joel de Guzman | |
4 | ||
5 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
7 | =============================================================================*/ | |
8 | ||
9 | #include <boost/config/warning_disable.hpp> | |
10 | #include <boost/detail/lightweight_test.hpp> | |
11 | ||
12 | #include <boost/spirit/include/karma_string.hpp> | |
13 | #include <boost/spirit/include/karma_numeric.hpp> | |
14 | #include <boost/spirit/include/karma_directive.hpp> | |
15 | #include <boost/spirit/include/karma_operator.hpp> | |
16 | #include <boost/spirit/include/karma_phoenix_attributes.hpp> | |
17 | ||
18 | #include <boost/spirit/include/phoenix_core.hpp> | |
19 | #include <boost/spirit/include/phoenix_operator.hpp> | |
7c673cae FG |
20 | |
21 | #include "test.hpp" | |
22 | ||
23 | using namespace spirit_test; | |
24 | ||
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | // special bool output policy allowing to spell false as true backwards (eurt) | |
27 | struct special_bool_policy : boost::spirit::karma::bool_policies<> | |
28 | { | |
29 | template <typename CharEncoding, typename Tag | |
30 | , typename OutputIterator> | |
31 | static bool generate_false(OutputIterator& sink, bool) | |
32 | { | |
33 | // we want to spell the names of true and false backwards | |
34 | return boost::spirit::karma::string_inserter<CharEncoding, Tag>:: | |
35 | call(sink, "eurt"); | |
36 | } | |
37 | }; | |
38 | ||
39 | /////////////////////////////////////////////////////////////////////////////// | |
40 | // special policy allowing to use any type as a boolean | |
41 | struct test_bool_data | |
42 | { | |
43 | explicit test_bool_data(bool b) : b(b) {} | |
44 | ||
45 | bool b; | |
46 | ||
47 | // we need to provide (safe) convertibility to bool | |
48 | private: | |
49 | struct dummy { void true_() {} }; | |
50 | typedef void (dummy::*safe_bool)(); | |
51 | ||
52 | public: | |
53 | operator safe_bool () const { return b ? &dummy::true_ : 0; } | |
54 | }; | |
55 | ||
56 | struct test_bool_policy : boost::spirit::karma::bool_policies<> | |
57 | { | |
58 | template <typename Inserter, typename OutputIterator, typename Policies> | |
59 | static bool | |
60 | call (OutputIterator& sink, test_bool_data b, Policies const& p) | |
61 | { | |
62 | // call the predefined inserter to do the job | |
63 | return Inserter::call_n(sink, bool(b), p); | |
64 | } | |
65 | }; | |
66 | ||
67 | ||
68 | /////////////////////////////////////////////////////////////////////////////// | |
69 | int main() | |
70 | { | |
71 | using boost::spirit::karma::bool_; | |
72 | using boost::spirit::karma::false_; | |
73 | using boost::spirit::karma::true_; | |
74 | using boost::spirit::karma::lit; | |
75 | using boost::spirit::karma::lower; | |
76 | using boost::spirit::karma::upper; | |
77 | ||
78 | // testing plain bool | |
79 | { | |
80 | BOOST_TEST(test("false", bool_, false)); | |
81 | BOOST_TEST(test("true", bool_, true)); | |
82 | BOOST_TEST(test("false", false_, false)); | |
83 | BOOST_TEST(test("true", true_, true)); | |
84 | BOOST_TEST(test("false", bool_(false))); | |
85 | BOOST_TEST(test("true", bool_(true))); | |
86 | BOOST_TEST(test("false", bool_(false), false)); | |
87 | BOOST_TEST(test("true", bool_(true), true)); | |
88 | BOOST_TEST(!test("", bool_(false), true)); | |
89 | BOOST_TEST(!test("", bool_(true), false)); | |
90 | BOOST_TEST(test("false", lit(false))); | |
91 | BOOST_TEST(test("true", lit(true))); | |
92 | } | |
93 | ||
94 | // test optional attributes | |
95 | { | |
96 | boost::optional<bool> optbool; | |
97 | ||
98 | BOOST_TEST(!test("", bool_, optbool)); | |
99 | BOOST_TEST(test("", -bool_, optbool)); | |
100 | optbool = false; | |
101 | BOOST_TEST(test("false", bool_, optbool)); | |
102 | BOOST_TEST(test("false", -bool_, optbool)); | |
103 | optbool = true; | |
104 | BOOST_TEST(test("true", bool_, optbool)); | |
105 | BOOST_TEST(test("true", -bool_, optbool)); | |
106 | } | |
107 | ||
108 | // we support Phoenix attributes only starting with V2.2 | |
109 | #if SPIRIT_VERSION >= 0x2020 | |
110 | // test Phoenix expression attributes (requires to include | |
111 | // karma_phoenix_attributes.hpp) | |
112 | { | |
113 | namespace phoenix = boost::phoenix; | |
114 | ||
115 | BOOST_TEST(test("true", bool_, phoenix::val(true))); | |
116 | ||
117 | bool b = false; | |
118 | BOOST_TEST(test("false", bool_, phoenix::ref(b))); | |
b32b8144 | 119 | BOOST_TEST(test("true", bool_, !phoenix::ref(b))); |
7c673cae FG |
120 | } |
121 | #endif | |
122 | ||
123 | { | |
124 | BOOST_TEST(test("false", lower[bool_], false)); | |
125 | BOOST_TEST(test("true", lower[bool_], true)); | |
126 | BOOST_TEST(test("false", lower[bool_(false)])); | |
127 | BOOST_TEST(test("true", lower[bool_(true)])); | |
128 | BOOST_TEST(test("false", lower[bool_(false)], false)); | |
129 | BOOST_TEST(test("true", lower[bool_(true)], true)); | |
130 | BOOST_TEST(!test("", lower[bool_(false)], true)); | |
131 | BOOST_TEST(!test("", lower[bool_(true)], false)); | |
132 | BOOST_TEST(test("false", lower[lit(false)])); | |
133 | BOOST_TEST(test("true", lower[lit(true)])); | |
134 | } | |
135 | ||
136 | { | |
137 | BOOST_TEST(test("FALSE", upper[bool_], false)); | |
138 | BOOST_TEST(test("TRUE", upper[bool_], true)); | |
139 | BOOST_TEST(test("FALSE", upper[bool_(false)])); | |
140 | BOOST_TEST(test("TRUE", upper[bool_(true)])); | |
141 | BOOST_TEST(test("FALSE", upper[bool_(false)], false)); | |
142 | BOOST_TEST(test("TRUE", upper[bool_(true)], true)); | |
143 | BOOST_TEST(!test("", upper[bool_(false)], true)); | |
144 | BOOST_TEST(!test("", upper[bool_(true)], false)); | |
145 | BOOST_TEST(test("FALSE", upper[lit(false)])); | |
146 | BOOST_TEST(test("TRUE", upper[lit(true)])); | |
147 | } | |
148 | ||
149 | { | |
150 | typedef boost::spirit::karma::bool_generator<bool, special_bool_policy> | |
151 | backwards_bool_type; | |
152 | backwards_bool_type const backwards_bool = backwards_bool_type(); | |
153 | ||
154 | BOOST_TEST(test("eurt", backwards_bool, false)); | |
155 | BOOST_TEST(test("true", backwards_bool, true)); | |
156 | BOOST_TEST(test("eurt", backwards_bool(false))); | |
157 | BOOST_TEST(test("true", backwards_bool(true))); | |
158 | BOOST_TEST(test("eurt", backwards_bool(false), false)); | |
159 | BOOST_TEST(test("true", backwards_bool(true), true)); | |
160 | BOOST_TEST(!test("", backwards_bool(false), true)); | |
161 | BOOST_TEST(!test("", backwards_bool(true), false)); | |
162 | } | |
163 | ||
164 | { | |
165 | typedef boost::spirit::karma::bool_generator< | |
166 | test_bool_data, test_bool_policy> test_bool_type; | |
167 | test_bool_type const test_bool = test_bool_type(); | |
168 | ||
169 | test_bool_data const test_false = test_bool_data(false); | |
170 | test_bool_data const test_true = test_bool_data(true); | |
171 | ||
172 | BOOST_TEST(test("false", test_bool, test_false)); | |
173 | BOOST_TEST(test("true", test_bool, test_true)); | |
174 | BOOST_TEST(test("false", test_bool(test_false))); | |
175 | BOOST_TEST(test("true", test_bool(test_true))); | |
176 | BOOST_TEST(test("false", test_bool(test_false), test_false)); | |
177 | BOOST_TEST(test("true", test_bool(test_true), test_true)); | |
178 | BOOST_TEST(!test("", test_bool(test_false), test_true)); | |
179 | BOOST_TEST(!test("", test_bool(test_true), test_false)); | |
180 | } | |
181 | ||
182 | return boost::report_errors(); | |
183 | } | |
184 |