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git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-string-util.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2015 Lennart Poettering
8 #include "alloc-util.h"
10 #include "string-util.h"
13 static void test_string_erase(void) {
17 assert_se(streq(string_erase(x
), ""));
20 assert_se(streq(string_erase(x
), ""));
22 x
= strdupa("123456789");
23 assert_se(streq(string_erase(x
), ""));
25 assert_se(x
[1] == '\0');
26 assert_se(x
[2] == '\0');
27 assert_se(x
[3] == '\0');
28 assert_se(x
[4] == '\0');
29 assert_se(x
[5] == '\0');
30 assert_se(x
[6] == '\0');
31 assert_se(x
[7] == '\0');
32 assert_se(x
[8] == '\0');
33 assert_se(x
[9] == '\0');
36 static void test_ascii_strcasecmp_n(void) {
38 assert_se(ascii_strcasecmp_n("", "", 0) == 0);
39 assert_se(ascii_strcasecmp_n("", "", 1) == 0);
40 assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
41 assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
42 assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
43 assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
44 assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
45 assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
46 assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
47 assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
48 assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
49 assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
50 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
51 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
52 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
53 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
54 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
56 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
57 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
58 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
59 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
60 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
63 static void test_ascii_strcasecmp_nn(void) {
64 assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
65 assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
66 assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
67 assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
69 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
70 assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
71 assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
72 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
73 assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
75 assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
76 assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
77 assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
80 static void test_streq_ptr(void) {
81 assert_se(streq_ptr(NULL
, NULL
));
82 assert_se(!streq_ptr("abc", "cdef"));
85 static void test_strstrip(void) {
87 char input
[] = " hello, waldo. ";
90 assert_se(streq(r
, "hello, waldo."));
93 static void test_strextend(void) {
94 _cleanup_free_
char *str
= NULL
;
96 assert_se(strextend(&str
, NULL
));
97 assert_se(streq_ptr(str
, ""));
98 assert_se(strextend(&str
, "", "0", "", "", "123", NULL
));
99 assert_se(streq_ptr(str
, "0123"));
100 assert_se(strextend(&str
, "456", "78", "9", NULL
));
101 assert_se(streq_ptr(str
, "0123456789"));
104 static void test_strextend_with_separator(void) {
105 _cleanup_free_
char *str
= NULL
;
107 assert_se(strextend_with_separator(&str
, NULL
, NULL
));
108 assert_se(streq_ptr(str
, ""));
111 assert_se(strextend_with_separator(&str
, "...", NULL
));
112 assert_se(streq_ptr(str
, ""));
113 assert_se(strextend_with_separator(&str
, "...", NULL
));
114 assert_se(streq_ptr(str
, ""));
117 assert_se(strextend_with_separator(&str
, "xyz", "a", "bb", "ccc", NULL
));
118 assert_se(streq_ptr(str
, "axyzbbxyzccc"));
121 assert_se(strextend_with_separator(&str
, ",", "start", "", "1", "234", NULL
));
122 assert_se(streq_ptr(str
, "start,,1,234"));
123 assert_se(strextend_with_separator(&str
, ";", "more", "5", "678", NULL
));
124 assert_se(streq_ptr(str
, "start,,1,234;more;5;678"));
127 static void test_strrep(void) {
128 _cleanup_free_
char *one
, *three
, *zero
;
129 one
= strrep("waldo", 1);
130 three
= strrep("waldo", 3);
131 zero
= strrep("waldo", 0);
133 assert_se(streq(one
, "waldo"));
134 assert_se(streq(three
, "waldowaldowaldo"));
135 assert_se(streq(zero
, ""));
139 static void test_strappend(void) {
140 _cleanup_free_
char *t1
, *t2
, *t3
, *t4
;
142 t1
= strappend(NULL
, NULL
);
143 assert_se(streq(t1
, ""));
145 t2
= strappend(NULL
, "suf");
146 assert_se(streq(t2
, "suf"));
148 t3
= strappend("pre", NULL
);
149 assert_se(streq(t3
, "pre"));
151 t4
= strappend("pre", "suf");
152 assert_se(streq(t4
, "presuf"));
155 static void test_string_has_cc(void) {
156 assert_se(string_has_cc("abc\1", NULL
));
157 assert_se(string_has_cc("abc\x7f", NULL
));
158 assert_se(string_has_cc("abc\x7f", NULL
));
159 assert_se(string_has_cc("abc\t\x7f", "\t"));
160 assert_se(string_has_cc("abc\t\x7f", "\t"));
161 assert_se(string_has_cc("\x7f", "\t"));
162 assert_se(string_has_cc("\x7f", "\t\a"));
164 assert_se(!string_has_cc("abc\t\t", "\t"));
165 assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
166 assert_se(!string_has_cc("a\ab\tc", "\t\a"));
169 static void test_ascii_strlower(void) {
170 char a
[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
171 assert_se(streq(ascii_strlower(a
), "aabbcc jk ii od lkjjj kkd lk"));
174 static void test_strshorten(void) {
177 assert_se(strlen(strshorten(s
, 6)) == 6);
178 assert_se(strlen(strshorten(s
, 12)) == 6);
179 assert_se(strlen(strshorten(s
, 2)) == 2);
180 assert_se(strlen(strshorten(s
, 0)) == 0);
183 static void test_strjoina(void) {
186 actual
= strjoina("", "foo", "bar");
187 assert_se(streq(actual
, "foobar"));
189 actual
= strjoina("foo", "bar", "baz");
190 assert_se(streq(actual
, "foobarbaz"));
192 actual
= strjoina("foo", "", "bar", "baz");
193 assert_se(streq(actual
, "foobarbaz"));
195 actual
= strjoina("foo");
196 assert_se(streq(actual
, "foo"));
198 actual
= strjoina(NULL
);
199 assert_se(streq(actual
, ""));
201 actual
= strjoina(NULL
, "foo");
202 assert_se(streq(actual
, ""));
204 actual
= strjoina("foo", NULL
, "bar");
205 assert_se(streq(actual
, "foo"));
208 static void test_strcmp_ptr(void) {
209 assert_se(strcmp_ptr(NULL
, NULL
) == 0);
210 assert_se(strcmp_ptr("", NULL
) > 0);
211 assert_se(strcmp_ptr("foo", NULL
) > 0);
212 assert_se(strcmp_ptr(NULL
, "") < 0);
213 assert_se(strcmp_ptr(NULL
, "bar") < 0);
214 assert_se(strcmp_ptr("foo", "bar") > 0);
215 assert_se(strcmp_ptr("bar", "baz") < 0);
216 assert_se(strcmp_ptr("foo", "foo") == 0);
217 assert_se(strcmp_ptr("", "") == 0);
220 static void test_foreach_word(void) {
221 const char *word
, *state
;
224 const char test
[] = "test abc d\te f ";
225 const char * const expected
[] = {
235 FOREACH_WORD(word
, l
, test
, state
)
236 assert_se(strneq(expected
[i
++], word
, l
));
239 static void check(const char *test
, char** expected
, bool trailing
) {
242 printf("<<<%s>>>\n", test
);
244 _cleanup_free_
char *word
= NULL
;
246 r
= extract_first_word(&test
, &word
, NULL
, EXTRACT_QUOTES
);
248 assert_se(!trailing
);
255 assert_se(streq(word
, expected
[i
++]));
256 printf("<%s>\n", word
);
258 assert_se(expected
[i
] == NULL
);
261 static void test_foreach_word_quoted(void) {
262 check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
286 static void test_endswith(void) {
287 assert_se(endswith("foobar", "bar"));
288 assert_se(endswith("foobar", ""));
289 assert_se(endswith("foobar", "foobar"));
290 assert_se(endswith("", ""));
292 assert_se(!endswith("foobar", "foo"));
293 assert_se(!endswith("foobar", "foobarfoofoo"));
296 static void test_endswith_no_case(void) {
297 assert_se(endswith_no_case("fooBAR", "bar"));
298 assert_se(endswith_no_case("foobar", ""));
299 assert_se(endswith_no_case("foobar", "FOOBAR"));
300 assert_se(endswith_no_case("", ""));
302 assert_se(!endswith_no_case("foobar", "FOO"));
303 assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
306 static void test_delete_chars(void) {
307 char *s
, input
[] = " hello, waldo. abc";
309 s
= delete_chars(input
, WHITESPACE
);
310 assert_se(streq(s
, "hello,waldo.abc"));
311 assert_se(s
== input
);
314 static void test_delete_trailing_chars(void) {
317 input1
[] = " \n \r k \n \r ",
318 input2
[] = "kkkkthiskkkiskkkaktestkkk",
321 s
= delete_trailing_chars(input1
, WHITESPACE
);
322 assert_se(streq(s
, " \n \r k"));
323 assert_se(s
== input1
);
325 s
= delete_trailing_chars(input2
, "kt");
326 assert_se(streq(s
, "kkkkthiskkkiskkkaktes"));
327 assert_se(s
== input2
);
329 s
= delete_trailing_chars(input3
, WHITESPACE
);
330 assert_se(streq(s
, "abcdef"));
331 assert_se(s
== input3
);
333 s
= delete_trailing_chars(input3
, "fe");
334 assert_se(streq(s
, "abcd"));
335 assert_se(s
== input3
);
338 static void test_delete_trailing_slashes(void) {
339 char s1
[] = "foobar//",
344 assert_se(streq(delete_trailing_chars(s1
, "_"), "foobar//"));
345 assert_se(streq(delete_trailing_chars(s1
, "/"), "foobar"));
346 assert_se(streq(delete_trailing_chars(s2
, "/"), "foobar"));
347 assert_se(streq(delete_trailing_chars(s3
, "/"), "foobar"));
348 assert_se(streq(delete_trailing_chars(s4
, "/"), ""));
351 static void test_skip_leading_chars(void) {
352 char input1
[] = " \n \r k \n \r ",
353 input2
[] = "kkkkthiskkkiskkkaktestkkk",
356 assert_se(streq(skip_leading_chars(input1
, WHITESPACE
), "k \n \r "));
357 assert_se(streq(skip_leading_chars(input2
, "k"), "thiskkkiskkkaktestkkk"));
358 assert_se(streq(skip_leading_chars(input2
, "tk"), "hiskkkiskkkaktestkkk"));
359 assert_se(streq(skip_leading_chars(input3
, WHITESPACE
), "abcdef"));
360 assert_se(streq(skip_leading_chars(input3
, "bcaef"), "def"));
363 static void test_in_charset(void) {
364 assert_se(in_charset("dddaaabbbcccc", "abcd"));
365 assert_se(!in_charset("dddaaabbbcccc", "abc f"));
368 static void test_split_pair(void) {
369 _cleanup_free_
char *a
= NULL
, *b
= NULL
;
371 assert_se(split_pair("", "", &a
, &b
) == -EINVAL
);
372 assert_se(split_pair("foo=bar", "", &a
, &b
) == -EINVAL
);
373 assert_se(split_pair("", "=", &a
, &b
) == -EINVAL
);
374 assert_se(split_pair("foo=bar", "=", &a
, &b
) >= 0);
375 assert_se(streq(a
, "foo"));
376 assert_se(streq(b
, "bar"));
379 assert_se(split_pair("==", "==", &a
, &b
) >= 0);
380 assert_se(streq(a
, ""));
381 assert_se(streq(b
, ""));
385 assert_se(split_pair("===", "==", &a
, &b
) >= 0);
386 assert_se(streq(a
, ""));
387 assert_se(streq(b
, "="));
390 static void test_first_word(void) {
391 assert_se(first_word("Hello", ""));
392 assert_se(first_word("Hello", "Hello"));
393 assert_se(first_word("Hello world", "Hello"));
394 assert_se(first_word("Hello\tworld", "Hello"));
395 assert_se(first_word("Hello\nworld", "Hello"));
396 assert_se(first_word("Hello\rworld", "Hello"));
397 assert_se(first_word("Hello ", "Hello"));
399 assert_se(!first_word("Hello", "Hellooo"));
400 assert_se(!first_word("Hello", "xxxxx"));
401 assert_se(!first_word("Hellooo", "Hello"));
404 static void test_strlen_ptr(void) {
405 assert_se(strlen_ptr("foo") == 3);
406 assert_se(strlen_ptr("") == 0);
407 assert_se(strlen_ptr(NULL
) == 0);
410 int main(int argc
, char *argv
[]) {
412 test_ascii_strcasecmp_n();
413 test_ascii_strcasecmp_nn();
417 test_strextend_with_separator();
420 test_string_has_cc();
421 test_ascii_strlower();
426 test_foreach_word_quoted();
428 test_endswith_no_case();
430 test_delete_trailing_chars();
431 test_delete_trailing_slashes();
432 test_skip_leading_chars();