1 | // Boost string_algo library find_format_test.cpp file ------------------// |
2 | |
3 | // Copyright (c) 2009 Steven Watanabe |
4 | // Distributed under the Boost Software License, Version 1.0. (See |
5 | // accompanying file LICENSE_1_0.txt or copy at |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | |
8 | // See http://www.boost.org for updates, documentation, and revision history. |
9 | |
10 | #include <boost/algorithm/string/find_format.hpp> |
11 | #include <boost/algorithm/string/finder.hpp> |
12 | #include <boost/algorithm/string/formatter.hpp> |
13 | |
14 | // Include unit test framework |
15 | #define BOOST_TEST_MAIN |
16 | #include <boost/test/unit_test.hpp> |
17 | |
18 | #include <boost/test/test_tools.hpp> |
19 | |
20 | // We're only using const_formatter. |
21 | template<class Formatter> |
22 | struct formatter_result { |
23 | typedef boost::iterator_range<const char*> type; |
24 | }; |
25 | |
26 | template<class Formatter> |
27 | struct checked_formatter { |
28 | public: |
29 | checked_formatter(const Formatter& formatter) : formatter_(formatter) {} |
30 | template< typename T > |
31 | typename formatter_result<Formatter>::type operator()( const T & s ) const { |
32 | BOOST_CHECK( !s.empty() ); |
33 | return formatter_(s); |
34 | } |
35 | private: |
36 | Formatter formatter_; |
37 | }; |
38 | |
39 | template<class Formatter> |
40 | checked_formatter<Formatter> |
41 | make_checked_formatter(const Formatter& formatter) { |
42 | return checked_formatter<Formatter>(formatter); |
43 | } |
44 | |
45 | void find_format_test() |
46 | { |
47 | const std::string source = "$replace $replace" ; |
48 | std::string expected = "ok $replace" ; |
49 | std::string output(80, '\0'); |
50 | |
51 | std::string::iterator pos = |
52 | boost::find_format_copy( |
53 | Output: output.begin(), |
54 | Input: source, |
55 | Finder: boost::first_finder(Search: "$replace" ), |
56 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "ok" ))); |
57 | BOOST_CHECK(pos == output.begin() + expected.size()); |
58 | output.erase(first: std::remove(first: output.begin(), last: output.end(), value: '\0'), last: output.end()); |
59 | BOOST_CHECK_EQUAL(output, expected); |
60 | |
61 | output = |
62 | boost::find_format_copy( |
63 | Input: source, |
64 | Finder: boost::first_finder(Search: "$replace" ), |
65 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "ok" ))); |
66 | BOOST_CHECK_EQUAL(output, expected); |
67 | |
68 | // now try finding a string that doesn't exist |
69 | output.resize(n: 80); |
70 | pos = |
71 | boost::find_format_copy( |
72 | Output: output.begin(), |
73 | Input: source, |
74 | Finder: boost::first_finder(Search: "$noreplace" ), |
75 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
76 | BOOST_CHECK(pos == output.begin() + source.size()); |
77 | output.erase(first: std::remove(first: output.begin(), last: output.end(), value: '\0'), last: output.end()); |
78 | BOOST_CHECK_EQUAL(output, source); |
79 | |
80 | output = |
81 | boost::find_format_copy( |
82 | Input: source, |
83 | Finder: boost::first_finder(Search: "$noreplace" ), |
84 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
85 | BOOST_CHECK_EQUAL(output, source); |
86 | |
87 | // in place version |
88 | output = source; |
89 | boost::find_format( |
90 | Input&: output, |
91 | Finder: boost::first_finder(Search: "$replace" ), |
92 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "ok" ))); |
93 | BOOST_CHECK_EQUAL(output, expected); |
94 | output = source; |
95 | boost::find_format( |
96 | Input&: output, |
97 | Finder: boost::first_finder(Search: "$noreplace" ), |
98 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
99 | BOOST_CHECK_EQUAL(output, source); |
100 | } |
101 | |
102 | void find_format_all_test() |
103 | { |
104 | const std::string source = "$replace $replace" ; |
105 | std::string expected = "ok ok" ; |
106 | std::string output(80, '\0'); |
107 | |
108 | std::string::iterator pos = |
109 | boost::find_format_all_copy(Output: output.begin(), |
110 | Input: source, |
111 | Finder: boost::first_finder(Search: "$replace" ), |
112 | Formatter: boost::const_formatter(Format: "ok" )); |
113 | BOOST_CHECK(pos == output.begin() + expected.size()); |
114 | output.erase(first: std::remove(first: output.begin(), last: output.end(), value: '\0'), last: output.end()); |
115 | BOOST_CHECK_EQUAL(output, expected); |
116 | |
117 | output = |
118 | boost::find_format_all_copy( |
119 | Input: source, |
120 | Finder: boost::first_finder(Search: "$replace" ), |
121 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "ok" ))); |
122 | BOOST_CHECK_EQUAL(output, expected); |
123 | |
124 | // now try finding a string that doesn't exist |
125 | output.resize(n: 80); |
126 | pos = |
127 | boost::find_format_all_copy( |
128 | Output: output.begin(), |
129 | Input: source, |
130 | Finder: boost::first_finder(Search: "$noreplace" ), |
131 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
132 | BOOST_CHECK(pos == output.begin() + source.size()); |
133 | output.erase(first: std::remove(first: output.begin(), last: output.end(), value: '\0'), last: output.end()); |
134 | BOOST_CHECK_EQUAL(output, source); |
135 | |
136 | output = |
137 | boost::find_format_all_copy( |
138 | Input: source, |
139 | Finder: boost::first_finder(Search: "$noreplace" ), |
140 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
141 | BOOST_CHECK_EQUAL(output, source); |
142 | |
143 | // in place version |
144 | output = source; |
145 | boost::find_format_all( |
146 | Input&: output, |
147 | Finder: boost::first_finder(Search: "$replace" ), |
148 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "ok" ))); |
149 | BOOST_CHECK_EQUAL(output, expected); |
150 | output = source; |
151 | boost::find_format_all( |
152 | Input&: output, |
153 | Finder: boost::first_finder(Search: "$noreplace" ), |
154 | Formatter: make_checked_formatter(formatter: boost::const_formatter(Format: "bad" ))); |
155 | BOOST_CHECK_EQUAL(output, source); |
156 | } |
157 | |
158 | BOOST_AUTO_TEST_CASE( test_main ) |
159 | { |
160 | find_format_test(); |
161 | find_format_all_test(); |
162 | } |
163 | |