1 | // Boost string_algo library trim_test.cpp file ---------------------------// |
2 | |
3 | // Copyright Pavol Droba 2002-2003. Use, modification and |
4 | // distribution is subject to the Boost Software License, Version |
5 | // 1.0. (See 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/trim.hpp> |
11 | #include <boost/algorithm/string/trim_all.hpp> |
12 | |
13 | // Include unit test framework |
14 | #define BOOST_TEST_MAIN |
15 | #include <boost/test/unit_test.hpp> |
16 | |
17 | #include <string> |
18 | #include <iostream> |
19 | #include <boost/test/test_tools.hpp> |
20 | |
21 | using namespace std; |
22 | using namespace boost; |
23 | |
24 | void trim_test() |
25 | { |
26 | string str1(" 1x x x x1 " ); |
27 | string str2(" 2x x x x2 " ); |
28 | string str3(" " ); |
29 | |
30 | // *** value passing tests *** // |
31 | |
32 | // general string test |
33 | BOOST_CHECK( trim_left_copy( str1 )=="1x x x x1 " ) ; |
34 | BOOST_CHECK( trim_right_copy( str1 )==" 1x x x x1" ) ; |
35 | BOOST_CHECK( trim_copy( str1 )=="1x x x x1" ) ; |
36 | |
37 | // spaces-only string test |
38 | BOOST_CHECK( trim_left_copy( str3 )=="" ); |
39 | BOOST_CHECK( trim_right_copy( str3 )=="" ); |
40 | BOOST_CHECK( trim_copy( str3 )=="" ); |
41 | |
42 | // empty string check |
43 | BOOST_CHECK( trim_left_copy( string("" ) )=="" ); |
44 | BOOST_CHECK( trim_right_copy( string("" ) )=="" ); |
45 | BOOST_CHECK( trim_copy( string("" ) )=="" ); |
46 | |
47 | // iterator tests |
48 | string str; |
49 | trim_left_copy_if( Output: std::back_inserter(x&: str), Input: str1, IsSpace: is_space() ); |
50 | BOOST_CHECK( str=="1x x x x1 " ); |
51 | |
52 | str.clear(); |
53 | trim_right_copy_if( Output: std::back_inserter(x&: str), Input: str1, IsSpace: is_space() ); |
54 | BOOST_CHECK( str==" 1x x x x1" ); |
55 | |
56 | str.clear(); |
57 | trim_copy_if( Output: std::back_inserter(x&: str), Input: str1, IsSpace: is_space() ); |
58 | BOOST_CHECK( str=="1x x x x1" ); |
59 | |
60 | str.clear(); |
61 | trim_left_copy_if( |
62 | Output: std::back_inserter(x&: str), |
63 | Input: " 1x x x x1 " , |
64 | IsSpace: is_space() ); |
65 | BOOST_CHECK( str=="1x x x x1 " ); |
66 | |
67 | str.clear(); |
68 | trim_right_copy_if( |
69 | Output: std::back_inserter(x&: str), |
70 | Input: " 1x x x x1 " , |
71 | IsSpace: is_space() ); |
72 | BOOST_CHECK( str==" 1x x x x1" ); |
73 | |
74 | str.clear(); |
75 | trim_copy_if( |
76 | Output: std::back_inserter(x&: str), |
77 | Input: " 1x x x x1 " , |
78 | IsSpace: is_space() ); |
79 | BOOST_CHECK( str=="1x x x x1" ); |
80 | // *** inplace tests *** // |
81 | |
82 | // general string test |
83 | trim_left( Input&: str1 ); |
84 | BOOST_CHECK( str1=="1x x x x1 " ); |
85 | trim_right( Input&: str1 ); |
86 | BOOST_CHECK( str1=="1x x x x1" ); |
87 | trim( Input&: str2 ); |
88 | BOOST_CHECK( str2=="2x x x x2" ); |
89 | |
90 | // spaces-only string test |
91 | str3 = " " ; trim_left( Input&: str3 ); |
92 | BOOST_CHECK( str3=="" ); |
93 | str3 = " " ; trim_right( Input&: str3 ); |
94 | BOOST_CHECK( str3=="" ); |
95 | str3 = " " ; trim( Input&: str3 ); |
96 | BOOST_CHECK( str3=="" ); |
97 | |
98 | // empty string check |
99 | str3 = "" ; trim_left( Input&: str3 ); |
100 | BOOST_CHECK( str3=="" ); |
101 | str3 = "" ; trim_right( Input&: str3 ); |
102 | BOOST_CHECK( str3=="" ); |
103 | str3 = "" ; trim( Input&: str3 ); |
104 | BOOST_CHECK( str3=="" ); |
105 | |
106 | // *** non-standard predicate tests *** // |
107 | BOOST_CHECK( |
108 | trim_copy_if( |
109 | string("123abc456" ), |
110 | is_classified(std::ctype_base::digit) )=="abc" ); |
111 | BOOST_CHECK( trim_copy_if( string("<>abc<>" ), is_any_of( "<<>>" ) )=="abc" ); |
112 | } |
113 | |
114 | void trim_all_test() |
115 | { |
116 | string str1(" 1x x x x1 " ); |
117 | string str2("+---...2x+--x--+x-+-x2...---+" ); |
118 | string str3(" " ); |
119 | |
120 | // *** value passing tests *** // |
121 | |
122 | // general string test |
123 | BOOST_CHECK( trim_all_copy( str1 )=="1x x x x1" ) ; |
124 | BOOST_CHECK( trim_all_copy_if( str2, is_punct() )=="2x+x-x-x2" ) ; |
125 | |
126 | // spaces-only string test |
127 | BOOST_CHECK( trim_all_copy( str3 )=="" ); |
128 | |
129 | // empty string check |
130 | BOOST_CHECK( trim_all_copy( string("" ) )=="" ); |
131 | |
132 | // general string test |
133 | trim_all( Input&: str1 ); |
134 | BOOST_CHECK( str1=="1x x x x1" ) ; |
135 | trim_all_if( Input&: str2, IsSpace: is_punct() ); |
136 | BOOST_CHECK( str2=="2x+x-x-x2" ) ; |
137 | |
138 | // spaces-only string test |
139 | str3 = " " ; trim_all( Input&: str3 ); |
140 | BOOST_CHECK( str3=="" ); |
141 | |
142 | // empty string check |
143 | str3 = "" ; trim_all( Input&: str3 ); |
144 | BOOST_CHECK( str3=="" ); |
145 | BOOST_CHECK( str3=="" ); |
146 | |
147 | // *** non-standard predicate tests *** // |
148 | BOOST_CHECK( |
149 | trim_all_copy_if( |
150 | string("123abc127deb456" ), |
151 | is_classified(std::ctype_base::digit) )=="abc1deb" ); |
152 | BOOST_CHECK( trim_all_copy_if( string("<>abc<>def<>" ), is_any_of( "<<>>" ) )=="abc<def" ); |
153 | } |
154 | |
155 | void trim_fill_test() |
156 | { |
157 | string str1(" 1x x x x1 " ); |
158 | string str2("+---...2x+--x--+x-+-x2...---+" ); |
159 | string str3(" " ); |
160 | |
161 | // *** value passing tests *** // |
162 | |
163 | // general string test |
164 | BOOST_CHECK( trim_fill_copy( str1, "-" )=="1x-x-x-x1" ) ; |
165 | BOOST_CHECK( trim_fill_copy_if( str2, " " , is_punct() )=="2x x x x2" ) ; |
166 | |
167 | // spaces-only string test |
168 | BOOST_CHECK( trim_fill_copy( str3, " " )=="" ); |
169 | |
170 | // empty string check |
171 | BOOST_CHECK( trim_fill_copy( string("" ), " " )=="" ); |
172 | |
173 | // general string test |
174 | trim_fill( Input&: str1, Fill: "-" ); |
175 | BOOST_CHECK( str1=="1x-x-x-x1" ) ; |
176 | trim_fill_if( Input&: str2, Fill: "" , IsSpace: is_punct() ); |
177 | BOOST_CHECK( str2=="2xxxx2" ) ; |
178 | |
179 | // spaces-only string test |
180 | str3 = " " ; trim_fill( Input&: str3, Fill: "" ); |
181 | BOOST_CHECK( str3=="" ); |
182 | |
183 | // empty string check |
184 | str3 = "" ; trim_fill( Input&: str3, Fill: "" ); |
185 | BOOST_CHECK( str3=="" ); |
186 | BOOST_CHECK( str3=="" ); |
187 | |
188 | // *** non-standard predicate tests *** // |
189 | BOOST_CHECK( |
190 | trim_fill_copy_if( |
191 | string("123abc127deb456" ), |
192 | "+" , |
193 | is_classified(std::ctype_base::digit) )=="abc+deb" ); |
194 | BOOST_CHECK( trim_fill_copy_if( string("<>abc<>def<>" ), "-" , is_any_of( "<<>>" ) )=="abc-def" ); |
195 | } |
196 | |
197 | BOOST_AUTO_TEST_CASE( test_main ) |
198 | { |
199 | trim_test(); |
200 | trim_all_test(); |
201 | trim_fill_test(); |
202 | } |
203 | |