1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <ctype.h>
20
TEST(ctype,isalnum)21 TEST(ctype, isalnum) {
22 EXPECT_TRUE(isalnum('1'));
23 EXPECT_TRUE(isalnum('a'));
24 EXPECT_TRUE(isalnum('A'));
25 EXPECT_FALSE(isalnum('!'));
26 EXPECT_FALSE(isalnum(' '));
27 }
28
TEST(ctype,isalnum_l)29 TEST(ctype, isalnum_l) {
30 EXPECT_TRUE(isalnum_l('1', LC_GLOBAL_LOCALE));
31 EXPECT_TRUE(isalnum_l('a', LC_GLOBAL_LOCALE));
32 EXPECT_TRUE(isalnum_l('A', LC_GLOBAL_LOCALE));
33 EXPECT_FALSE(isalnum_l('!', LC_GLOBAL_LOCALE));
34 EXPECT_FALSE(isalnum_l(' ', LC_GLOBAL_LOCALE));
35 }
36
TEST(ctype,isalpha)37 TEST(ctype, isalpha) {
38 EXPECT_FALSE(isalpha('1'));
39 EXPECT_TRUE(isalpha('a'));
40 EXPECT_TRUE(isalpha('A'));
41 EXPECT_FALSE(isalpha('!'));
42 EXPECT_FALSE(isalpha(' '));
43 }
44
TEST(ctype,isalpha_l)45 TEST(ctype, isalpha_l) {
46 EXPECT_FALSE(isalpha_l('1', LC_GLOBAL_LOCALE));
47 EXPECT_TRUE(isalpha_l('a', LC_GLOBAL_LOCALE));
48 EXPECT_TRUE(isalpha_l('A', LC_GLOBAL_LOCALE));
49 EXPECT_FALSE(isalpha_l('!', LC_GLOBAL_LOCALE));
50 EXPECT_FALSE(isalpha_l(' ', LC_GLOBAL_LOCALE));
51 }
52
TEST(ctype,isascii)53 TEST(ctype, isascii) {
54 EXPECT_TRUE(isascii('\x7f'));
55 EXPECT_FALSE(isascii('\x80'));
56 }
57
TEST(ctype,isblank)58 TEST(ctype, isblank) {
59 EXPECT_FALSE(isblank('1'));
60 EXPECT_TRUE(isblank(' '));
61 EXPECT_TRUE(isblank('\t'));
62 }
63
TEST(ctype,isblank_l)64 TEST(ctype, isblank_l) {
65 EXPECT_FALSE(isblank_l('1', LC_GLOBAL_LOCALE));
66 EXPECT_TRUE(isblank_l(' ', LC_GLOBAL_LOCALE));
67 EXPECT_TRUE(isblank_l('\t', LC_GLOBAL_LOCALE));
68 }
69
TEST(ctype,iscntrl)70 TEST(ctype, iscntrl) {
71 EXPECT_FALSE(iscntrl('1'));
72 EXPECT_TRUE(iscntrl('\b'));
73 }
74
TEST(ctype,iscntrl_l)75 TEST(ctype, iscntrl_l) {
76 EXPECT_FALSE(iscntrl_l('1', LC_GLOBAL_LOCALE));
77 EXPECT_TRUE(iscntrl_l('\b', LC_GLOBAL_LOCALE));
78 }
79
TEST(ctype,isdigit)80 TEST(ctype, isdigit) {
81 EXPECT_TRUE(isdigit('1'));
82 EXPECT_FALSE(isdigit('a'));
83 EXPECT_FALSE(isdigit('x'));
84 }
85
TEST(ctype,isdigit_l)86 TEST(ctype, isdigit_l) {
87 EXPECT_TRUE(isdigit_l('1', LC_GLOBAL_LOCALE));
88 EXPECT_FALSE(isdigit_l('a', LC_GLOBAL_LOCALE));
89 EXPECT_FALSE(isdigit_l('x', LC_GLOBAL_LOCALE));
90 }
91
TEST(ctype,isgraph)92 TEST(ctype, isgraph) {
93 EXPECT_TRUE(isgraph('a'));
94 EXPECT_TRUE(isgraph('A'));
95 EXPECT_TRUE(isgraph('1'));
96 EXPECT_TRUE(isgraph('!'));
97 EXPECT_FALSE(isgraph(' '));
98 }
99
TEST(ctype,isgraph_l)100 TEST(ctype, isgraph_l) {
101 EXPECT_TRUE(isgraph_l('a', LC_GLOBAL_LOCALE));
102 EXPECT_TRUE(isgraph_l('A', LC_GLOBAL_LOCALE));
103 EXPECT_TRUE(isgraph_l('1', LC_GLOBAL_LOCALE));
104 EXPECT_TRUE(isgraph_l('!', LC_GLOBAL_LOCALE));
105 EXPECT_FALSE(isgraph_l(' ', LC_GLOBAL_LOCALE));
106 }
107
TEST(ctype,islower)108 TEST(ctype, islower) {
109 EXPECT_TRUE(islower('a'));
110 EXPECT_FALSE(islower('A'));
111 EXPECT_FALSE(islower('!'));
112 }
113
TEST(ctype,islower_l)114 TEST(ctype, islower_l) {
115 EXPECT_TRUE(islower_l('a', LC_GLOBAL_LOCALE));
116 EXPECT_FALSE(islower_l('A', LC_GLOBAL_LOCALE));
117 EXPECT_FALSE(islower_l('!', LC_GLOBAL_LOCALE));
118 }
119
TEST(ctype,isprint)120 TEST(ctype, isprint) {
121 EXPECT_TRUE(isprint('a'));
122 EXPECT_TRUE(isprint(' '));
123 EXPECT_FALSE(isprint('\b'));
124 }
125
TEST(ctype,isprint_l)126 TEST(ctype, isprint_l) {
127 EXPECT_TRUE(isprint_l('a', LC_GLOBAL_LOCALE));
128 EXPECT_TRUE(isprint_l(' ', LC_GLOBAL_LOCALE));
129 EXPECT_FALSE(isprint_l('\b', LC_GLOBAL_LOCALE));
130 }
131
TEST(ctype,ispunct)132 TEST(ctype, ispunct) {
133 EXPECT_TRUE(ispunct('!'));
134 EXPECT_FALSE(ispunct('a'));
135 EXPECT_FALSE(ispunct(' '));
136 EXPECT_FALSE(ispunct('\b'));
137 }
138
TEST(ctype,ispunct_l)139 TEST(ctype, ispunct_l) {
140 EXPECT_TRUE(ispunct_l('!', LC_GLOBAL_LOCALE));
141 EXPECT_FALSE(ispunct_l('a', LC_GLOBAL_LOCALE));
142 EXPECT_FALSE(ispunct_l(' ', LC_GLOBAL_LOCALE));
143 EXPECT_FALSE(ispunct_l('\b', LC_GLOBAL_LOCALE));
144 }
145
TEST(ctype,isspace)146 TEST(ctype, isspace) {
147 EXPECT_TRUE(isspace(' '));
148 EXPECT_TRUE(isspace('\f'));
149 EXPECT_TRUE(isspace('\n'));
150 EXPECT_TRUE(isspace('\r'));
151 EXPECT_TRUE(isspace('\t'));
152 EXPECT_TRUE(isspace('\v'));
153 EXPECT_FALSE(isspace('a'));
154 EXPECT_FALSE(isspace('!'));
155 }
156
TEST(ctype,isspace_l)157 TEST(ctype, isspace_l) {
158 EXPECT_TRUE(isspace_l(' ', LC_GLOBAL_LOCALE));
159 EXPECT_TRUE(isspace_l('\f', LC_GLOBAL_LOCALE));
160 EXPECT_TRUE(isspace_l('\n', LC_GLOBAL_LOCALE));
161 EXPECT_TRUE(isspace_l('\r', LC_GLOBAL_LOCALE));
162 EXPECT_TRUE(isspace_l('\t', LC_GLOBAL_LOCALE));
163 EXPECT_TRUE(isspace_l('\v', LC_GLOBAL_LOCALE));
164 EXPECT_FALSE(isspace_l('a', LC_GLOBAL_LOCALE));
165 EXPECT_FALSE(isspace_l('!', LC_GLOBAL_LOCALE));
166 }
167
TEST(ctype,isupper)168 TEST(ctype, isupper) {
169 EXPECT_TRUE(isupper('A'));
170 EXPECT_FALSE(isupper('a'));
171 EXPECT_FALSE(isupper('!'));
172 }
173
TEST(ctype,isupper_l)174 TEST(ctype, isupper_l) {
175 EXPECT_TRUE(isupper_l('A', LC_GLOBAL_LOCALE));
176 EXPECT_FALSE(isupper_l('a', LC_GLOBAL_LOCALE));
177 EXPECT_FALSE(isupper_l('!', LC_GLOBAL_LOCALE));
178 }
179
TEST(ctype,isxdigit)180 TEST(ctype, isxdigit) {
181 EXPECT_TRUE(isxdigit('0'));
182 EXPECT_FALSE(isxdigit('x'));
183 EXPECT_TRUE(isxdigit('1'));
184 EXPECT_TRUE(isxdigit('a'));
185 EXPECT_TRUE(isxdigit('A'));
186 EXPECT_FALSE(isxdigit('g'));
187 EXPECT_FALSE(isxdigit(' '));
188 }
189
TEST(ctype,isxdigit_l)190 TEST(ctype, isxdigit_l) {
191 EXPECT_TRUE(isxdigit_l('0', LC_GLOBAL_LOCALE));
192 EXPECT_FALSE(isxdigit_l('x', LC_GLOBAL_LOCALE));
193 EXPECT_TRUE(isxdigit_l('1', LC_GLOBAL_LOCALE));
194 EXPECT_TRUE(isxdigit_l('a', LC_GLOBAL_LOCALE));
195 EXPECT_TRUE(isxdigit_l('A', LC_GLOBAL_LOCALE));
196 EXPECT_FALSE(isxdigit_l('g', LC_GLOBAL_LOCALE));
197 EXPECT_FALSE(isxdigit_l(' ', LC_GLOBAL_LOCALE));
198 }
199
TEST(ctype,toascii)200 TEST(ctype, toascii) {
201 EXPECT_EQ('a', toascii('a'));
202 EXPECT_EQ('a', toascii(0x80 | 'a'));
203 }
204
TEST(ctype,tolower)205 TEST(ctype, tolower) {
206 EXPECT_EQ('!', tolower('!'));
207 EXPECT_EQ('a', tolower('a'));
208 EXPECT_EQ('a', tolower('A'));
209 }
210
TEST(ctype,tolower_l)211 TEST(ctype, tolower_l) {
212 EXPECT_EQ('!', tolower_l('!', LC_GLOBAL_LOCALE));
213 EXPECT_EQ('a', tolower_l('a', LC_GLOBAL_LOCALE));
214 EXPECT_EQ('a', tolower_l('A', LC_GLOBAL_LOCALE));
215 }
216
TEST(ctype,_tolower)217 TEST(ctype, _tolower) {
218 // _tolower may mangle characters for which isupper is false.
219 EXPECT_EQ('a', _tolower('A'));
220 }
221
TEST(ctype,toupper)222 TEST(ctype, toupper) {
223 EXPECT_EQ('!', toupper('!'));
224 EXPECT_EQ('A', toupper('a'));
225 EXPECT_EQ('A', toupper('A'));
226 }
227
TEST(ctype,toupper_l)228 TEST(ctype, toupper_l) {
229 EXPECT_EQ('!', toupper_l('!', LC_GLOBAL_LOCALE));
230 EXPECT_EQ('A', toupper_l('a', LC_GLOBAL_LOCALE));
231 EXPECT_EQ('A', toupper_l('A', LC_GLOBAL_LOCALE));
232 }
233
TEST(ctype,_toupper)234 TEST(ctype, _toupper) {
235 // _toupper may mangle characters for which islower is false.
236 EXPECT_EQ('A', _toupper('a'));
237 }
238