1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2015 Lennart Poettering
8 #include "alloc-util.h"
9 //#include "locale-util.h"
11 #include "string-util.h"
15 static void test_string_erase(void) {
19 assert_se(streq(string_erase(x), ""));
22 assert_se(streq(string_erase(x), ""));
24 x = strdupa("123456789");
25 assert_se(streq(string_erase(x), ""));
27 assert_se(x[1] == '\0');
28 assert_se(x[2] == '\0');
29 assert_se(x[3] == '\0');
30 assert_se(x[4] == '\0');
31 assert_se(x[5] == '\0');
32 assert_se(x[6] == '\0');
33 assert_se(x[7] == '\0');
34 assert_se(x[8] == '\0');
35 assert_se(x[9] == '\0');
38 #if 0 /// UNNEEDED by elogind
39 static void test_ascii_strcasecmp_n(void) {
41 assert_se(ascii_strcasecmp_n("", "", 0) == 0);
42 assert_se(ascii_strcasecmp_n("", "", 1) == 0);
43 assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
44 assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
45 assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
46 assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
47 assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
48 assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
49 assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
50 assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
51 assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
52 assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
53 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
54 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
55 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
56 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
57 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
59 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
60 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
61 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
62 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
63 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
66 static void test_ascii_strcasecmp_nn(void) {
67 assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
68 assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
69 assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
70 assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
72 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
73 assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
74 assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
75 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
76 assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
78 assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
79 assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
80 assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
84 static void test_cellescape(void) {
87 assert_se(streq(cellescape(buf, 1, ""), ""));
88 assert_se(streq(cellescape(buf, 1, "1"), ""));
89 assert_se(streq(cellescape(buf, 1, "12"), ""));
91 assert_se(streq(cellescape(buf, 2, ""), ""));
92 assert_se(streq(cellescape(buf, 2, "1"), "1"));
93 assert_se(streq(cellescape(buf, 2, "12"), "."));
94 assert_se(streq(cellescape(buf, 2, "123"), "."));
96 assert_se(streq(cellescape(buf, 3, ""), ""));
97 assert_se(streq(cellescape(buf, 3, "1"), "1"));
98 assert_se(streq(cellescape(buf, 3, "12"), "12"));
99 assert_se(streq(cellescape(buf, 3, "123"), ".."));
100 assert_se(streq(cellescape(buf, 3, "1234"), ".."));
102 assert_se(streq(cellescape(buf, 4, ""), ""));
103 assert_se(streq(cellescape(buf, 4, "1"), "1"));
104 assert_se(streq(cellescape(buf, 4, "12"), "12"));
105 assert_se(streq(cellescape(buf, 4, "123"), "123"));
106 assert_se(streq(cellescape(buf, 4, "1234"), is_locale_utf8() ? "…" : "..."));
107 assert_se(streq(cellescape(buf, 4, "12345"), is_locale_utf8() ? "…" : "..."));
109 assert_se(streq(cellescape(buf, 5, ""), ""));
110 assert_se(streq(cellescape(buf, 5, "1"), "1"));
111 assert_se(streq(cellescape(buf, 5, "12"), "12"));
112 assert_se(streq(cellescape(buf, 5, "123"), "123"));
113 assert_se(streq(cellescape(buf, 5, "1234"), "1234"));
114 assert_se(streq(cellescape(buf, 5, "12345"), is_locale_utf8() ? "1…" : "1..."));
115 assert_se(streq(cellescape(buf, 5, "123456"), is_locale_utf8() ? "1…" : "1..."));
117 assert_se(streq(cellescape(buf, 1, "\020"), ""));
118 assert_se(streq(cellescape(buf, 2, "\020"), "."));
119 assert_se(streq(cellescape(buf, 3, "\020"), ".."));
120 assert_se(streq(cellescape(buf, 4, "\020"), "…"));
121 assert_se(streq(cellescape(buf, 5, "\020"), "\\020"));
123 assert_se(streq(cellescape(buf, 5, "1234\020"), "1…"));
124 assert_se(streq(cellescape(buf, 6, "1234\020"), "12…"));
125 assert_se(streq(cellescape(buf, 7, "1234\020"), "123…"));
126 assert_se(streq(cellescape(buf, 8, "1234\020"), "1234…"));
127 assert_se(streq(cellescape(buf, 9, "1234\020"), "1234\\020"));
129 assert_se(streq(cellescape(buf, 1, "\t\n"), ""));
130 assert_se(streq(cellescape(buf, 2, "\t\n"), "."));
131 assert_se(streq(cellescape(buf, 3, "\t\n"), ".."));
132 assert_se(streq(cellescape(buf, 4, "\t\n"), "…"));
133 assert_se(streq(cellescape(buf, 5, "\t\n"), "\\t\\n"));
135 assert_se(streq(cellescape(buf, 5, "1234\t\n"), "1…"));
136 assert_se(streq(cellescape(buf, 6, "1234\t\n"), "12…"));
137 assert_se(streq(cellescape(buf, 7, "1234\t\n"), "123…"));
138 assert_se(streq(cellescape(buf, 8, "1234\t\n"), "1234…"));
139 assert_se(streq(cellescape(buf, 9, "1234\t\n"), "1234\\t\\n"));
141 assert_se(streq(cellescape(buf, 4, "x\t\020\n"), "…"));
142 assert_se(streq(cellescape(buf, 5, "x\t\020\n"), "x…"));
143 assert_se(streq(cellescape(buf, 6, "x\t\020\n"), "x…"));
144 assert_se(streq(cellescape(buf, 7, "x\t\020\n"), "x\\t…"));
145 assert_se(streq(cellescape(buf, 8, "x\t\020\n"), "x\\t…"));
146 assert_se(streq(cellescape(buf, 9, "x\t\020\n"), "x\\t…"));
147 assert_se(streq(cellescape(buf, 10, "x\t\020\n"), "x\\t\\020\\n"));
149 assert_se(streq(cellescape(buf, 6, "1\011"), "1\\t"));
150 assert_se(streq(cellescape(buf, 6, "1\020"), "1\\020"));
151 assert_se(streq(cellescape(buf, 6, "1\020x"), is_locale_utf8() ? "1…" : "1..."));
153 assert_se(streq(cellescape(buf, 40, "1\020"), "1\\020"));
154 assert_se(streq(cellescape(buf, 40, "1\020x"), "1\\020x"));
156 assert_se(streq(cellescape(buf, 40, "\a\b\f\n\r\t\v\\\"'"), "\\a\\b\\f\\n\\r\\t\\v\\\\\\\"\\'"));
157 assert_se(streq(cellescape(buf, 6, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a…" : "\\a..."));
158 assert_se(streq(cellescape(buf, 7, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a…" : "\\a..."));
159 assert_se(streq(cellescape(buf, 8, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a\\b…" : "\\a\\b..."));
161 assert_se(streq(cellescape(buf, sizeof buf, "1\020"), "1\\020"));
162 assert_se(streq(cellescape(buf, sizeof buf, "1\020x"), "1\\020x"));
165 static void test_streq_ptr(void) {
166 assert_se(streq_ptr(NULL, NULL));
167 assert_se(!streq_ptr("abc", "cdef"));
170 static void test_strstrip(void) {
172 char input[] = " hello, waldo. ";
175 assert_se(streq(r, "hello, waldo."));
178 static void test_strextend(void) {
179 _cleanup_free_ char *str = NULL;
181 assert_se(strextend(&str, NULL));
182 assert_se(streq_ptr(str, ""));
183 assert_se(strextend(&str, "", "0", "", "", "123", NULL));
184 assert_se(streq_ptr(str, "0123"));
185 assert_se(strextend(&str, "456", "78", "9", NULL));
186 assert_se(streq_ptr(str, "0123456789"));
189 static void test_strextend_with_separator(void) {
190 _cleanup_free_ char *str = NULL;
192 assert_se(strextend_with_separator(&str, NULL, NULL));
193 assert_se(streq_ptr(str, ""));
196 assert_se(strextend_with_separator(&str, "...", NULL));
197 assert_se(streq_ptr(str, ""));
198 assert_se(strextend_with_separator(&str, "...", NULL));
199 assert_se(streq_ptr(str, ""));
202 assert_se(strextend_with_separator(&str, "xyz", "a", "bb", "ccc", NULL));
203 assert_se(streq_ptr(str, "axyzbbxyzccc"));
206 assert_se(strextend_with_separator(&str, ",", "start", "", "1", "234", NULL));
207 assert_se(streq_ptr(str, "start,,1,234"));
208 assert_se(strextend_with_separator(&str, ";", "more", "5", "678", NULL));
209 assert_se(streq_ptr(str, "start,,1,234;more;5;678"));
212 static void test_strrep(void) {
213 _cleanup_free_ char *one, *three, *zero;
214 one = strrep("waldo", 1);
215 three = strrep("waldo", 3);
216 zero = strrep("waldo", 0);
218 assert_se(streq(one, "waldo"));
219 assert_se(streq(three, "waldowaldowaldo"));
220 assert_se(streq(zero, ""));
223 static void test_strappend(void) {
224 _cleanup_free_ char *t1, *t2, *t3, *t4;
226 t1 = strappend(NULL, NULL);
227 assert_se(streq(t1, ""));
229 t2 = strappend(NULL, "suf");
230 assert_se(streq(t2, "suf"));
232 t3 = strappend("pre", NULL);
233 assert_se(streq(t3, "pre"));
235 t4 = strappend("pre", "suf");
236 assert_se(streq(t4, "presuf"));
239 static void test_string_has_cc(void) {
240 assert_se(string_has_cc("abc\1", NULL));
241 assert_se(string_has_cc("abc\x7f", NULL));
242 assert_se(string_has_cc("abc\x7f", NULL));
243 assert_se(string_has_cc("abc\t\x7f", "\t"));
244 assert_se(string_has_cc("abc\t\x7f", "\t"));
245 assert_se(string_has_cc("\x7f", "\t"));
246 assert_se(string_has_cc("\x7f", "\t\a"));
248 assert_se(!string_has_cc("abc\t\t", "\t"));
249 assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
250 assert_se(!string_has_cc("a\ab\tc", "\t\a"));
253 #if 0 /// UNNEEDED by elogind
254 static void test_ascii_strlower(void) {
255 char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
256 assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk"));
260 static void test_strshorten(void) {
263 assert_se(strlen(strshorten(s, 6)) == 6);
264 assert_se(strlen(strshorten(s, 12)) == 6);
265 assert_se(strlen(strshorten(s, 2)) == 2);
266 assert_se(strlen(strshorten(s, 0)) == 0);
269 static void test_strjoina(void) {
272 actual = strjoina("", "foo", "bar");
273 assert_se(streq(actual, "foobar"));
275 actual = strjoina("foo", "bar", "baz");
276 assert_se(streq(actual, "foobarbaz"));
278 actual = strjoina("foo", "", "bar", "baz");
279 assert_se(streq(actual, "foobarbaz"));
281 actual = strjoina("foo");
282 assert_se(streq(actual, "foo"));
284 actual = strjoina(NULL);
285 assert_se(streq(actual, ""));
287 actual = strjoina(NULL, "foo");
288 assert_se(streq(actual, ""));
290 actual = strjoina("foo", NULL, "bar");
291 assert_se(streq(actual, "foo"));
294 static void test_strcmp_ptr(void) {
295 assert_se(strcmp_ptr(NULL, NULL) == 0);
296 assert_se(strcmp_ptr("", NULL) > 0);
297 assert_se(strcmp_ptr("foo", NULL) > 0);
298 assert_se(strcmp_ptr(NULL, "") < 0);
299 assert_se(strcmp_ptr(NULL, "bar") < 0);
300 assert_se(strcmp_ptr("foo", "bar") > 0);
301 assert_se(strcmp_ptr("bar", "baz") < 0);
302 assert_se(strcmp_ptr("foo", "foo") == 0);
303 assert_se(strcmp_ptr("", "") == 0);
306 static void test_foreach_word(void) {
307 const char *word, *state;
310 const char test[] = "test abc d\te f ";
311 const char * const expected[] = {
321 FOREACH_WORD(word, l, test, state)
322 assert_se(strneq(expected[i++], word, l));
325 static void check(const char *test, char** expected, bool trailing) {
328 printf("<<<%s>>>\n", test);
330 _cleanup_free_ char *word = NULL;
332 r = extract_first_word(&test, &word, NULL, EXTRACT_QUOTES);
334 assert_se(!trailing);
341 assert_se(streq(word, expected[i++]));
342 printf("<%s>\n", word);
344 assert_se(expected[i] == NULL);
347 static void test_foreach_word_quoted(void) {
348 check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
372 static void test_endswith(void) {
373 assert_se(endswith("foobar", "bar"));
374 assert_se(endswith("foobar", ""));
375 assert_se(endswith("foobar", "foobar"));
376 assert_se(endswith("", ""));
378 assert_se(!endswith("foobar", "foo"));
379 assert_se(!endswith("foobar", "foobarfoofoo"));
382 static void test_endswith_no_case(void) {
383 assert_se(endswith_no_case("fooBAR", "bar"));
384 assert_se(endswith_no_case("foobar", ""));
385 assert_se(endswith_no_case("foobar", "FOOBAR"));
386 assert_se(endswith_no_case("", ""));
388 assert_se(!endswith_no_case("foobar", "FOO"));
389 assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
392 #if 0 /// UNNEEDED by elogind
393 static void test_delete_chars(void) {
394 char *s, input[] = " hello, waldo. abc";
396 s = delete_chars(input, WHITESPACE);
397 assert_se(streq(s, "hello,waldo.abc"));
398 assert_se(s == input);
402 static void test_delete_trailing_chars(void) {
405 input1[] = " \n \r k \n \r ",
406 input2[] = "kkkkthiskkkiskkkaktestkkk",
409 s = delete_trailing_chars(input1, WHITESPACE);
410 assert_se(streq(s, " \n \r k"));
411 assert_se(s == input1);
413 s = delete_trailing_chars(input2, "kt");
414 assert_se(streq(s, "kkkkthiskkkiskkkaktes"));
415 assert_se(s == input2);
417 s = delete_trailing_chars(input3, WHITESPACE);
418 assert_se(streq(s, "abcdef"));
419 assert_se(s == input3);
421 s = delete_trailing_chars(input3, "fe");
422 assert_se(streq(s, "abcd"));
423 assert_se(s == input3);
426 static void test_delete_trailing_slashes(void) {
427 char s1[] = "foobar//",
432 assert_se(streq(delete_trailing_chars(s1, "_"), "foobar//"));
433 assert_se(streq(delete_trailing_chars(s1, "/"), "foobar"));
434 assert_se(streq(delete_trailing_chars(s2, "/"), "foobar"));
435 assert_se(streq(delete_trailing_chars(s3, "/"), "foobar"));
436 assert_se(streq(delete_trailing_chars(s4, "/"), ""));
439 #if 0 /// UNNEEDED by elogind
440 static void test_skip_leading_chars(void) {
441 char input1[] = " \n \r k \n \r ",
442 input2[] = "kkkkthiskkkiskkkaktestkkk",
445 assert_se(streq(skip_leading_chars(input1, WHITESPACE), "k \n \r "));
446 assert_se(streq(skip_leading_chars(input2, "k"), "thiskkkiskkkaktestkkk"));
447 assert_se(streq(skip_leading_chars(input2, "tk"), "hiskkkiskkkaktestkkk"));
448 assert_se(streq(skip_leading_chars(input3, WHITESPACE), "abcdef"));
449 assert_se(streq(skip_leading_chars(input3, "bcaef"), "def"));
453 static void test_in_charset(void) {
454 assert_se(in_charset("dddaaabbbcccc", "abcd"));
455 assert_se(!in_charset("dddaaabbbcccc", "abc f"));
458 static void test_split_pair(void) {
459 _cleanup_free_ char *a = NULL, *b = NULL;
461 assert_se(split_pair("", "", &a, &b) == -EINVAL);
462 assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
463 assert_se(split_pair("", "=", &a, &b) == -EINVAL);
464 assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
465 assert_se(streq(a, "foo"));
466 assert_se(streq(b, "bar"));
469 assert_se(split_pair("==", "==", &a, &b) >= 0);
470 assert_se(streq(a, ""));
471 assert_se(streq(b, ""));
475 assert_se(split_pair("===", "==", &a, &b) >= 0);
476 assert_se(streq(a, ""));
477 assert_se(streq(b, "="));
480 static void test_first_word(void) {
481 assert_se(first_word("Hello", ""));
482 assert_se(first_word("Hello", "Hello"));
483 assert_se(first_word("Hello world", "Hello"));
484 assert_se(first_word("Hello\tworld", "Hello"));
485 assert_se(first_word("Hello\nworld", "Hello"));
486 assert_se(first_word("Hello\rworld", "Hello"));
487 assert_se(first_word("Hello ", "Hello"));
489 assert_se(!first_word("Hello", "Hellooo"));
490 assert_se(!first_word("Hello", "xxxxx"));
491 assert_se(!first_word("Hellooo", "Hello"));
494 static void test_strlen_ptr(void) {
495 assert_se(strlen_ptr("foo") == 3);
496 assert_se(strlen_ptr("") == 0);
497 assert_se(strlen_ptr(NULL) == 0);
500 static void test_memory_startswith(void) {
501 assert_se(streq(memory_startswith("", 0, ""), ""));
502 assert_se(streq(memory_startswith("", 1, ""), ""));
503 assert_se(streq(memory_startswith("x", 2, ""), "x"));
504 assert_se(!memory_startswith("", 1, "x"));
505 assert_se(!memory_startswith("", 1, "xxxxxxxx"));
506 assert_se(streq(memory_startswith("xxx", 4, "x"), "xx"));
507 assert_se(streq(memory_startswith("xxx", 4, "xx"), "x"));
508 assert_se(streq(memory_startswith("xxx", 4, "xxx"), ""));
509 assert_se(!memory_startswith("xxx", 4, "xxxx"));
512 int main(int argc, char *argv[]) {
514 #if 0 /// UNNEEDED by elogind
515 test_ascii_strcasecmp_n();
516 test_ascii_strcasecmp_nn();
522 test_strextend_with_separator();
525 test_string_has_cc();
526 #if 0 /// UNNEEDED by elogind
527 test_ascii_strlower();
533 test_foreach_word_quoted();
535 test_endswith_no_case();
536 #if 0 /// UNNEEDED by elogind
539 test_delete_trailing_chars();
540 test_delete_trailing_slashes();
541 #if 0 /// UNNEEDED by elogind
542 test_skip_leading_chars();
548 test_memory_startswith();