]>
git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-string-util.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 #include "alloc-util.h"
4 #include "locale-util.h"
6 #include "string-util.h"
12 static void test_free_and_strndup_one(char **t
, const char *src
, size_t l
, const char *expected
, bool change
) {
15 log_debug("%s: \"%s\", \"%s\", %zd (expect \"%s\", %s)",
16 __func__
, strnull(*t
), strnull(src
), l
, strnull(expected
), yes_no(change
));
18 r
= free_and_strndup(t
, src
, l
);
19 assert_se(streq_ptr(*t
, expected
));
20 assert_se(r
== change
); /* check that change occurs only when necessary */
23 static void test_free_and_strndup(void) {
24 static const struct test_case
{
56 {"foobar", 6, "foobar"},
59 _cleanup_free_
char *t
= NULL
;
60 const char *prev_expected
= t
;
62 for (unsigned i
= 0; i
< ELEMENTSOF(cases
); i
++) {
63 test_free_and_strndup_one(&t
,
64 cases
[i
].src
, cases
[i
].len
, cases
[i
].expected
,
65 !streq_ptr(cases
[i
].expected
, prev_expected
));
70 static void test_ascii_strcasecmp_n(void) {
72 assert_se(ascii_strcasecmp_n("", "", 0) == 0);
73 assert_se(ascii_strcasecmp_n("", "", 1) == 0);
74 assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
75 assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
76 assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
77 assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
78 assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
79 assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
80 assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
81 assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
82 assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
83 assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
84 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
85 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
86 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
87 assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
88 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
90 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
91 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
92 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
93 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
94 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
97 static void test_ascii_strcasecmp_nn(void) {
98 assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
99 assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
100 assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
101 assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
103 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
104 assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
105 assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
106 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
107 assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
109 assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
110 assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
111 assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
114 static void test_cellescape(void) {
117 assert_se(streq(cellescape(buf
, 1, ""), ""));
118 assert_se(streq(cellescape(buf
, 1, "1"), ""));
119 assert_se(streq(cellescape(buf
, 1, "12"), ""));
121 assert_se(streq(cellescape(buf
, 2, ""), ""));
122 assert_se(streq(cellescape(buf
, 2, "1"), "1"));
123 assert_se(streq(cellescape(buf
, 2, "12"), "."));
124 assert_se(streq(cellescape(buf
, 2, "123"), "."));
126 assert_se(streq(cellescape(buf
, 3, ""), ""));
127 assert_se(streq(cellescape(buf
, 3, "1"), "1"));
128 assert_se(streq(cellescape(buf
, 3, "12"), "12"));
129 assert_se(streq(cellescape(buf
, 3, "123"), ".."));
130 assert_se(streq(cellescape(buf
, 3, "1234"), ".."));
132 assert_se(streq(cellescape(buf
, 4, ""), ""));
133 assert_se(streq(cellescape(buf
, 4, "1"), "1"));
134 assert_se(streq(cellescape(buf
, 4, "12"), "12"));
135 assert_se(streq(cellescape(buf
, 4, "123"), "123"));
136 assert_se(streq(cellescape(buf
, 4, "1234"), is_locale_utf8() ? "…" : "..."));
137 assert_se(streq(cellescape(buf
, 4, "12345"), is_locale_utf8() ? "…" : "..."));
139 assert_se(streq(cellescape(buf
, 5, ""), ""));
140 assert_se(streq(cellescape(buf
, 5, "1"), "1"));
141 assert_se(streq(cellescape(buf
, 5, "12"), "12"));
142 assert_se(streq(cellescape(buf
, 5, "123"), "123"));
143 assert_se(streq(cellescape(buf
, 5, "1234"), "1234"));
144 assert_se(streq(cellescape(buf
, 5, "12345"), is_locale_utf8() ? "1…" : "1..."));
145 assert_se(streq(cellescape(buf
, 5, "123456"), is_locale_utf8() ? "1…" : "1..."));
147 assert_se(streq(cellescape(buf
, 1, "\020"), ""));
148 assert_se(streq(cellescape(buf
, 2, "\020"), "."));
149 assert_se(streq(cellescape(buf
, 3, "\020"), ".."));
150 assert_se(streq(cellescape(buf
, 4, "\020"), "…"));
151 assert_se(streq(cellescape(buf
, 5, "\020"), "\\020"));
153 assert_se(streq(cellescape(buf
, 5, "1234\020"), "1…"));
154 assert_se(streq(cellescape(buf
, 6, "1234\020"), "12…"));
155 assert_se(streq(cellescape(buf
, 7, "1234\020"), "123…"));
156 assert_se(streq(cellescape(buf
, 8, "1234\020"), "1234…"));
157 assert_se(streq(cellescape(buf
, 9, "1234\020"), "1234\\020"));
159 assert_se(streq(cellescape(buf
, 1, "\t\n"), ""));
160 assert_se(streq(cellescape(buf
, 2, "\t\n"), "."));
161 assert_se(streq(cellescape(buf
, 3, "\t\n"), ".."));
162 assert_se(streq(cellescape(buf
, 4, "\t\n"), "…"));
163 assert_se(streq(cellescape(buf
, 5, "\t\n"), "\\t\\n"));
165 assert_se(streq(cellescape(buf
, 5, "1234\t\n"), "1…"));
166 assert_se(streq(cellescape(buf
, 6, "1234\t\n"), "12…"));
167 assert_se(streq(cellescape(buf
, 7, "1234\t\n"), "123…"));
168 assert_se(streq(cellescape(buf
, 8, "1234\t\n"), "1234…"));
169 assert_se(streq(cellescape(buf
, 9, "1234\t\n"), "1234\\t\\n"));
171 assert_se(streq(cellescape(buf
, 4, "x\t\020\n"), "…"));
172 assert_se(streq(cellescape(buf
, 5, "x\t\020\n"), "x…"));
173 assert_se(streq(cellescape(buf
, 6, "x\t\020\n"), "x…"));
174 assert_se(streq(cellescape(buf
, 7, "x\t\020\n"), "x\\t…"));
175 assert_se(streq(cellescape(buf
, 8, "x\t\020\n"), "x\\t…"));
176 assert_se(streq(cellescape(buf
, 9, "x\t\020\n"), "x\\t…"));
177 assert_se(streq(cellescape(buf
, 10, "x\t\020\n"), "x\\t\\020\\n"));
179 assert_se(streq(cellescape(buf
, 6, "1\011"), "1\\t"));
180 assert_se(streq(cellescape(buf
, 6, "1\020"), "1\\020"));
181 assert_se(streq(cellescape(buf
, 6, "1\020x"), is_locale_utf8() ? "1…" : "1..."));
183 assert_se(streq(cellescape(buf
, 40, "1\020"), "1\\020"));
184 assert_se(streq(cellescape(buf
, 40, "1\020x"), "1\\020x"));
186 assert_se(streq(cellescape(buf
, 40, "\a\b\f\n\r\t\v\\\"'"), "\\a\\b\\f\\n\\r\\t\\v\\\\\\\"\\'"));
187 assert_se(streq(cellescape(buf
, 6, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a…" : "\\a..."));
188 assert_se(streq(cellescape(buf
, 7, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a…" : "\\a..."));
189 assert_se(streq(cellescape(buf
, 8, "\a\b\f\n\r\t\v\\\"'"), is_locale_utf8() ? "\\a\\b…" : "\\a\\b..."));
191 assert_se(streq(cellescape(buf
, sizeof buf
, "1\020"), "1\\020"));
192 assert_se(streq(cellescape(buf
, sizeof buf
, "1\020x"), "1\\020x"));
195 static void test_streq_ptr(void) {
196 assert_se(streq_ptr(NULL
, NULL
));
197 assert_se(!streq_ptr("abc", "cdef"));
200 static void test_strstrip(void) {
202 char input
[] = " hello, waldo. ";
205 assert_se(streq(r
, "hello, waldo."));
208 static void test_strextend(void) {
209 _cleanup_free_
char *str
= NULL
;
211 assert_se(strextend(&str
, NULL
));
212 assert_se(streq_ptr(str
, ""));
213 assert_se(strextend(&str
, "", "0", "", "", "123", NULL
));
214 assert_se(streq_ptr(str
, "0123"));
215 assert_se(strextend(&str
, "456", "78", "9", NULL
));
216 assert_se(streq_ptr(str
, "0123456789"));
219 static void test_strextend_with_separator(void) {
220 _cleanup_free_
char *str
= NULL
;
222 assert_se(strextend_with_separator(&str
, NULL
, NULL
));
223 assert_se(streq_ptr(str
, ""));
226 assert_se(strextend_with_separator(&str
, "...", NULL
));
227 assert_se(streq_ptr(str
, ""));
228 assert_se(strextend_with_separator(&str
, "...", NULL
));
229 assert_se(streq_ptr(str
, ""));
232 assert_se(strextend_with_separator(&str
, "xyz", "a", "bb", "ccc", NULL
));
233 assert_se(streq_ptr(str
, "axyzbbxyzccc"));
236 assert_se(strextend_with_separator(&str
, ",", "start", "", "1", "234", NULL
));
237 assert_se(streq_ptr(str
, "start,,1,234"));
238 assert_se(strextend_with_separator(&str
, ";", "more", "5", "678", NULL
));
239 assert_se(streq_ptr(str
, "start,,1,234;more;5;678"));
242 static void test_strrep(void) {
243 _cleanup_free_
char *one
, *three
, *zero
;
244 one
= strrep("waldo", 1);
245 three
= strrep("waldo", 3);
246 zero
= strrep("waldo", 0);
248 assert_se(streq(one
, "waldo"));
249 assert_se(streq(three
, "waldowaldowaldo"));
250 assert_se(streq(zero
, ""));
253 static void test_string_has_cc(void) {
254 assert_se(string_has_cc("abc\1", NULL
));
255 assert_se(string_has_cc("abc\x7f", NULL
));
256 assert_se(string_has_cc("abc\x7f", NULL
));
257 assert_se(string_has_cc("abc\t\x7f", "\t"));
258 assert_se(string_has_cc("abc\t\x7f", "\t"));
259 assert_se(string_has_cc("\x7f", "\t"));
260 assert_se(string_has_cc("\x7f", "\t\a"));
262 assert_se(!string_has_cc("abc\t\t", "\t"));
263 assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
264 assert_se(!string_has_cc("a\ab\tc", "\t\a"));
267 static void test_ascii_strlower(void) {
268 char a
[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
269 assert_se(streq(ascii_strlower(a
), "aabbcc jk ii od lkjjj kkd lk"));
272 static void test_strshorten(void) {
275 assert_se(strlen(strshorten(s
, 6)) == 6);
276 assert_se(strlen(strshorten(s
, 12)) == 6);
277 assert_se(strlen(strshorten(s
, 2)) == 2);
278 assert_se(strlen(strshorten(s
, 0)) == 0);
281 static void test_strjoina(void) {
284 actual
= strjoina("", "foo", "bar");
285 assert_se(streq(actual
, "foobar"));
287 actual
= strjoina("foo", "bar", "baz");
288 assert_se(streq(actual
, "foobarbaz"));
290 actual
= strjoina("foo", "", "bar", "baz");
291 assert_se(streq(actual
, "foobarbaz"));
293 actual
= strjoina("foo");
294 assert_se(streq(actual
, "foo"));
296 actual
= strjoina(NULL
);
297 assert_se(streq(actual
, ""));
299 actual
= strjoina(NULL
, "foo");
300 assert_se(streq(actual
, ""));
302 actual
= strjoina("foo", NULL
, "bar");
303 assert_se(streq(actual
, "foo"));
306 static void test_strcmp_ptr(void) {
307 assert_se(strcmp_ptr(NULL
, NULL
) == 0);
308 assert_se(strcmp_ptr("", NULL
) > 0);
309 assert_se(strcmp_ptr("foo", NULL
) > 0);
310 assert_se(strcmp_ptr(NULL
, "") < 0);
311 assert_se(strcmp_ptr(NULL
, "bar") < 0);
312 assert_se(strcmp_ptr("foo", "bar") > 0);
313 assert_se(strcmp_ptr("bar", "baz") < 0);
314 assert_se(strcmp_ptr("foo", "foo") == 0);
315 assert_se(strcmp_ptr("", "") == 0);
318 static void test_foreach_word(void) {
319 const char *word
, *state
;
322 const char test
[] = "test abc d\te f ";
323 const char * const expected
[] = {
333 FOREACH_WORD(word
, l
, test
, state
)
334 assert_se(strneq(expected
[i
++], word
, l
));
337 static void check(const char *test
, char** expected
, bool trailing
) {
340 printf("<<<%s>>>\n", test
);
342 _cleanup_free_
char *word
= NULL
;
344 r
= extract_first_word(&test
, &word
, NULL
, EXTRACT_UNQUOTE
);
346 assert_se(!trailing
);
353 assert_se(streq(word
, expected
[i
++]));
354 printf("<%s>\n", word
);
356 assert_se(expected
[i
] == NULL
);
359 static void test_foreach_word_quoted(void) {
360 check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
384 static void test_endswith(void) {
385 assert_se(endswith("foobar", "bar"));
386 assert_se(endswith("foobar", ""));
387 assert_se(endswith("foobar", "foobar"));
388 assert_se(endswith("", ""));
390 assert_se(!endswith("foobar", "foo"));
391 assert_se(!endswith("foobar", "foobarfoofoo"));
394 static void test_endswith_no_case(void) {
395 assert_se(endswith_no_case("fooBAR", "bar"));
396 assert_se(endswith_no_case("foobar", ""));
397 assert_se(endswith_no_case("foobar", "FOOBAR"));
398 assert_se(endswith_no_case("", ""));
400 assert_se(!endswith_no_case("foobar", "FOO"));
401 assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
404 static void test_delete_chars(void) {
405 char *s
, input
[] = " hello, waldo. abc";
407 s
= delete_chars(input
, WHITESPACE
);
408 assert_se(streq(s
, "hello,waldo.abc"));
409 assert_se(s
== input
);
412 static void test_delete_trailing_chars(void) {
415 input1
[] = " \n \r k \n \r ",
416 input2
[] = "kkkkthiskkkiskkkaktestkkk",
419 s
= delete_trailing_chars(input1
, WHITESPACE
);
420 assert_se(streq(s
, " \n \r k"));
421 assert_se(s
== input1
);
423 s
= delete_trailing_chars(input2
, "kt");
424 assert_se(streq(s
, "kkkkthiskkkiskkkaktes"));
425 assert_se(s
== input2
);
427 s
= delete_trailing_chars(input3
, WHITESPACE
);
428 assert_se(streq(s
, "abcdef"));
429 assert_se(s
== input3
);
431 s
= delete_trailing_chars(input3
, "fe");
432 assert_se(streq(s
, "abcd"));
433 assert_se(s
== input3
);
436 static void test_delete_trailing_slashes(void) {
437 char s1
[] = "foobar//",
442 assert_se(streq(delete_trailing_chars(s1
, "_"), "foobar//"));
443 assert_se(streq(delete_trailing_chars(s1
, "/"), "foobar"));
444 assert_se(streq(delete_trailing_chars(s2
, "/"), "foobar"));
445 assert_se(streq(delete_trailing_chars(s3
, "/"), "foobar"));
446 assert_se(streq(delete_trailing_chars(s4
, "/"), ""));
449 static void test_skip_leading_chars(void) {
450 char input1
[] = " \n \r k \n \r ",
451 input2
[] = "kkkkthiskkkiskkkaktestkkk",
454 assert_se(streq(skip_leading_chars(input1
, WHITESPACE
), "k \n \r "));
455 assert_se(streq(skip_leading_chars(input2
, "k"), "thiskkkiskkkaktestkkk"));
456 assert_se(streq(skip_leading_chars(input2
, "tk"), "hiskkkiskkkaktestkkk"));
457 assert_se(streq(skip_leading_chars(input3
, WHITESPACE
), "abcdef"));
458 assert_se(streq(skip_leading_chars(input3
, "bcaef"), "def"));
461 static void test_in_charset(void) {
462 assert_se(in_charset("dddaaabbbcccc", "abcd"));
463 assert_se(!in_charset("dddaaabbbcccc", "abc f"));
466 static void test_split_pair(void) {
467 _cleanup_free_
char *a
= NULL
, *b
= NULL
;
469 assert_se(split_pair("", "", &a
, &b
) == -EINVAL
);
470 assert_se(split_pair("foo=bar", "", &a
, &b
) == -EINVAL
);
471 assert_se(split_pair("", "=", &a
, &b
) == -EINVAL
);
472 assert_se(split_pair("foo=bar", "=", &a
, &b
) >= 0);
473 assert_se(streq(a
, "foo"));
474 assert_se(streq(b
, "bar"));
477 assert_se(split_pair("==", "==", &a
, &b
) >= 0);
478 assert_se(streq(a
, ""));
479 assert_se(streq(b
, ""));
483 assert_se(split_pair("===", "==", &a
, &b
) >= 0);
484 assert_se(streq(a
, ""));
485 assert_se(streq(b
, "="));
488 static void test_first_word(void) {
489 assert_se(first_word("Hello", ""));
490 assert_se(first_word("Hello", "Hello"));
491 assert_se(first_word("Hello world", "Hello"));
492 assert_se(first_word("Hello\tworld", "Hello"));
493 assert_se(first_word("Hello\nworld", "Hello"));
494 assert_se(first_word("Hello\rworld", "Hello"));
495 assert_se(first_word("Hello ", "Hello"));
497 assert_se(!first_word("Hello", "Hellooo"));
498 assert_se(!first_word("Hello", "xxxxx"));
499 assert_se(!first_word("Hellooo", "Hello"));
502 static void test_strlen_ptr(void) {
503 assert_se(strlen_ptr("foo") == 3);
504 assert_se(strlen_ptr("") == 0);
505 assert_se(strlen_ptr(NULL
) == 0);
508 static void test_memory_startswith(void) {
509 assert_se(streq(memory_startswith("", 0, ""), ""));
510 assert_se(streq(memory_startswith("", 1, ""), ""));
511 assert_se(streq(memory_startswith("x", 2, ""), "x"));
512 assert_se(!memory_startswith("", 1, "x"));
513 assert_se(!memory_startswith("", 1, "xxxxxxxx"));
514 assert_se(streq(memory_startswith("xxx", 4, "x"), "xx"));
515 assert_se(streq(memory_startswith("xxx", 4, "xx"), "x"));
516 assert_se(streq(memory_startswith("xxx", 4, "xxx"), ""));
517 assert_se(!memory_startswith("xxx", 4, "xxxx"));
520 static void test_memory_startswith_no_case(void) {
521 assert_se(streq(memory_startswith_no_case("", 0, ""), ""));
522 assert_se(streq(memory_startswith_no_case("", 1, ""), ""));
523 assert_se(streq(memory_startswith_no_case("x", 2, ""), "x"));
524 assert_se(streq(memory_startswith_no_case("X", 2, ""), "X"));
525 assert_se(!memory_startswith_no_case("", 1, "X"));
526 assert_se(!memory_startswith_no_case("", 1, "xxxxXXXX"));
527 assert_se(streq(memory_startswith_no_case("xxx", 4, "X"), "xx"));
528 assert_se(streq(memory_startswith_no_case("XXX", 4, "x"), "XX"));
529 assert_se(streq(memory_startswith_no_case("XXX", 4, "X"), "XX"));
530 assert_se(streq(memory_startswith_no_case("xxx", 4, "XX"), "x"));
531 assert_se(streq(memory_startswith_no_case("XXX", 4, "xx"), "X"));
532 assert_se(streq(memory_startswith_no_case("XXX", 4, "XX"), "X"));
533 assert_se(streq(memory_startswith_no_case("xxx", 4, "XXX"), ""));
534 assert_se(streq(memory_startswith_no_case("XXX", 4, "xxx"), ""));
535 assert_se(streq(memory_startswith_no_case("XXX", 4, "XXX"), ""));
537 assert_se(memory_startswith_no_case((char[2]){'x', 'x'}, 2, "xx"));
538 assert_se(memory_startswith_no_case((char[2]){'x', 'X'}, 2, "xX"));
539 assert_se(memory_startswith_no_case((char[2]){'X', 'x'}, 2, "Xx"));
540 assert_se(memory_startswith_no_case((char[2]){'X', 'X'}, 2, "XX"));
543 int main(int argc
, char *argv
[]) {
544 test_setup_logging(LOG_DEBUG
);
546 test_free_and_strndup();
547 test_ascii_strcasecmp_n();
548 test_ascii_strcasecmp_nn();
553 test_strextend_with_separator();
555 test_string_has_cc();
556 test_ascii_strlower();
561 test_foreach_word_quoted();
563 test_endswith_no_case();
565 test_delete_trailing_chars();
566 test_delete_trailing_slashes();
567 test_skip_leading_chars();
572 test_memory_startswith();
573 test_memory_startswith_no_case();