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1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
2 | // | |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
1e59de90 | 6 | #include <boost/spirit/include/karma_alternative.hpp> |
7c673cae FG |
7 | |
8 | #include <boost/spirit/include/karma_auxiliary.hpp> | |
9 | #include <boost/spirit/include/karma_char.hpp> | |
10 | #include <boost/spirit/include/karma_string.hpp> | |
11 | #include <boost/spirit/include/karma_numeric.hpp> | |
12 | #include <boost/spirit/include/karma_generate.hpp> | |
13 | #include <boost/spirit/include/karma_operator.hpp> | |
14 | #include <boost/spirit/include/karma_directive.hpp> | |
15 | #include <boost/spirit/include/karma_nonterminal.hpp> | |
16 | #include <boost/spirit/include/karma_auxiliary.hpp> | |
17 | ||
18 | #include "test.hpp" | |
19 | ||
20 | using namespace spirit_test; | |
21 | ||
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | int | |
24 | main() | |
25 | { | |
26 | using namespace boost; | |
27 | using namespace boost::spirit; | |
28 | using namespace boost::spirit::ascii; | |
29 | ||
30 | { | |
31 | // test if alternatives with all components having unused | |
32 | // attribute generate first alternative | |
33 | fusion::vector<char, char> v('a', 'b'); | |
34 | BOOST_TEST(test("axb", char_ << (lit('x') | lit('i')) << char_, v)); | |
35 | BOOST_TEST(test("axib", | |
36 | char_ << (lit('x') << lit('i') | lit('i')) << char_, v)); | |
37 | } | |
38 | ||
39 | { | |
40 | BOOST_TEST(test_delimited("x ", char_('x') | char_('i'), char_(' '))); | |
41 | BOOST_TEST(test_delimited("x i ", | |
42 | char_('x') << char_('i') | char_('i'), char_(' '))); | |
43 | BOOST_TEST(test_delimited("i ", | |
44 | char_('i') | char_('x') << char_('i'), char_(' '))); | |
45 | ||
46 | variant<int, char> v (10); | |
47 | BOOST_TEST(test_delimited("10 ", char_ | int_, v, char_(' '))); | |
48 | BOOST_TEST(test_delimited("10 ", int_ | char_, v, char_(' '))); | |
49 | BOOST_TEST(test_delimited("a ", lit('a') | char_ | int_, v, char_(' '))); | |
50 | BOOST_TEST(test_delimited("a ", char_ | lit('a') | int_, v, char_(' '))); | |
51 | BOOST_TEST(test_delimited("10 ", int_ | lit('a') | char_, v, char_(' '))); | |
52 | ||
53 | v = 'c'; | |
54 | BOOST_TEST(test_delimited("c ", char_ | int_, v, char_(' '))); | |
55 | BOOST_TEST(test_delimited("a ", lit('a') | char_ | int_, v, char_(' '))); | |
56 | BOOST_TEST(test_delimited("c ", char_ | lit('a') | int_, v, char_(' '))); | |
57 | BOOST_TEST(test_delimited("a ", int_ | lit('a') | char_, v, char_(' '))); | |
58 | BOOST_TEST(test_delimited("c ", int_ | char_ | lit('a'), v, char_(' '))); | |
59 | } | |
60 | ||
61 | // this leads to infinite loops | |
62 | // { | |
63 | // variant<int, std::string> v(10); | |
64 | // BOOST_TEST(test("10", int_ | +char_, v)); | |
65 | // | |
66 | // v = "abc"; | |
67 | // BOOST_TEST(test("abc", int_ | +char_, v)); | |
68 | // } | |
69 | ||
70 | { | |
71 | // if nothing matches, the first explicit alternative will be chosen | |
72 | variant<double, char const*> v (10.0); | |
73 | BOOST_TEST(test("11", char_ | lit(11), v)); | |
74 | BOOST_TEST(test("11", lit(11) | char_ , v)); | |
75 | BOOST_TEST(test("10.0", double_ | lit(11), v)); | |
76 | BOOST_TEST(test("11", lit(11) | double_, v)); | |
77 | BOOST_TEST(!test("", char_ | int_, v)); | |
78 | ||
79 | v = "c"; | |
80 | BOOST_TEST(test("11", char_ | lit(11), v)); | |
81 | BOOST_TEST(test("11", double_ | lit(11), v)); | |
82 | BOOST_TEST(!test("", char_ | int_, v)); | |
83 | } | |
84 | ||
85 | { | |
86 | // in strict mode if nothing matches, the alternative will fail | |
87 | variant<double, char const*> v (10.0); | |
88 | BOOST_TEST(!test("11", strict[char_ | lit(11)], v)); | |
89 | BOOST_TEST(test("11", strict[lit(11) | char_] , v)); | |
90 | ||
91 | v = "c"; | |
92 | BOOST_TEST(!test("11", strict[char_ | lit(11)], v)); | |
93 | } | |
94 | ||
95 | { | |
96 | // if nothing matches, the first explicit alternative will be chosen | |
97 | variant<double, char const*> v (10.0); | |
98 | BOOST_TEST(test_delimited("11 ", char_ | lit(11), v, char_(' '))); | |
99 | BOOST_TEST(test_delimited("11 ", lit(11) | char_ , v, char_(' '))); | |
100 | BOOST_TEST(test_delimited("10.0 ", double_ | lit(11), v, char_(' '))); | |
101 | BOOST_TEST(test_delimited("11 ", lit(11) | double_, v, char_(' '))); | |
102 | BOOST_TEST(!test_delimited("", char_ | int_, v, char_(' '))); | |
103 | ||
104 | v = "c"; | |
105 | BOOST_TEST(test_delimited("11 ", char_ | lit(11), v, char_(' '))); | |
106 | BOOST_TEST(test_delimited("11 ", double_ | lit(11), v, char_(' '))); | |
107 | BOOST_TEST(!test_delimited("", char_ | int_, v, char_(' '))); | |
108 | } | |
109 | ||
110 | { | |
111 | // if nothing matches, the first explicit alternative will be chosen, | |
112 | // optionals need to be accepted | |
113 | optional<variant<double, char const*> > v (10.0); | |
114 | BOOST_TEST(test_delimited("11 ", char_ | lit(11), v, char_(' '))); | |
115 | BOOST_TEST(test_delimited("11 ", lit(11) | char_ , v, char_(' '))); | |
116 | BOOST_TEST(test_delimited("10.0 ", double_ | lit(11), v, char_(' '))); | |
117 | BOOST_TEST(test_delimited("11 ", lit(11) | double_, v, char_(' '))); | |
118 | BOOST_TEST(!test_delimited("", char_ | int_, v, char_(' '))); | |
119 | ||
120 | v = "c"; | |
121 | BOOST_TEST(test_delimited("11 ", char_ | lit(11), v, char_(' '))); | |
122 | BOOST_TEST(test_delimited("11 ", double_ | lit(11), v, char_(' '))); | |
123 | BOOST_TEST(!test_delimited("", char_ | int_, v, char_(' '))); | |
124 | } | |
125 | ||
126 | { | |
127 | std::vector<int> v; | |
128 | BOOST_TEST(test("[]", '[' << (int_ % ", ") << ']' | "[]", v)); | |
129 | BOOST_TEST(test("[]", '[' << -(int_ % ", ") << ']', v)); | |
130 | BOOST_TEST(test("[]", '[' << ((int_ % ", ") | eps) << ']', v)); | |
131 | ||
132 | v.push_back(5); | |
133 | v.push_back(5); | |
134 | v.push_back(5); | |
135 | BOOST_TEST(test("[5, 5, 5]", '[' << (int_ % ", ") << ']' | "[]", v)); | |
136 | } | |
137 | ||
138 | return boost::report_errors(); | |
139 | } | |
140 |