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 #if 0 /// UNNEEDED by elogind
37 static void test_ascii_strcasecmp_n(void) {
39 assert_se(ascii_strcasecmp_n("", "", 0) == 0);
40 assert_se(ascii_strcasecmp_n("", "", 1) == 0);
41 assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
42 assert_se(ascii_strcasecmp_n("", "a", 2) < 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", "a", 1) == 0);
46 assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
47 assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
48 assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
49 assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
50 assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
51 assert_se(ascii_strcasecmp_n("xxxxyxxxx", "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);
55 assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
57 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 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);
61 assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
64 static void test_ascii_strcasecmp_nn(void) {
65 assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
66 assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
67 assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
68 assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
70 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
71 assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
72 assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
73 assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
74 assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
76 assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
77 assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
78 assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
82 static void test_streq_ptr(void) {
83 assert_se(streq_ptr(NULL, NULL));
84 assert_se(!streq_ptr("abc", "cdef"));
87 static void test_strstrip(void) {
89 char input[] = " hello, waldo. ";
92 assert_se(streq(r, "hello, waldo."));
95 static void test_strextend(void) {
96 _cleanup_free_ char *str = NULL;
98 assert_se(strextend(&str, NULL));
99 assert_se(streq_ptr(str, ""));
100 assert_se(strextend(&str, "", "0", "", "", "123", NULL));
101 assert_se(streq_ptr(str, "0123"));
102 assert_se(strextend(&str, "456", "78", "9", NULL));
103 assert_se(streq_ptr(str, "0123456789"));
106 static void test_strextend_with_separator(void) {
107 _cleanup_free_ char *str = NULL;
109 assert_se(strextend_with_separator(&str, NULL, NULL));
110 assert_se(streq_ptr(str, ""));
113 assert_se(strextend_with_separator(&str, "...", NULL));
114 assert_se(streq_ptr(str, ""));
115 assert_se(strextend_with_separator(&str, "...", NULL));
116 assert_se(streq_ptr(str, ""));
119 assert_se(strextend_with_separator(&str, "xyz", "a", "bb", "ccc", NULL));
120 assert_se(streq_ptr(str, "axyzbbxyzccc"));
123 assert_se(strextend_with_separator(&str, ",", "start", "", "1", "234", NULL));
124 assert_se(streq_ptr(str, "start,,1,234"));
125 assert_se(strextend_with_separator(&str, ";", "more", "5", "678", NULL));
126 assert_se(streq_ptr(str, "start,,1,234;more;5;678"));
129 static void test_strrep(void) {
130 _cleanup_free_ char *one, *three, *zero;
131 one = strrep("waldo", 1);
132 three = strrep("waldo", 3);
133 zero = strrep("waldo", 0);
135 assert_se(streq(one, "waldo"));
136 assert_se(streq(three, "waldowaldowaldo"));
137 assert_se(streq(zero, ""));
141 static void test_strappend(void) {
142 _cleanup_free_ char *t1, *t2, *t3, *t4;
144 t1 = strappend(NULL, NULL);
145 assert_se(streq(t1, ""));
147 t2 = strappend(NULL, "suf");
148 assert_se(streq(t2, "suf"));
150 t3 = strappend("pre", NULL);
151 assert_se(streq(t3, "pre"));
153 t4 = strappend("pre", "suf");
154 assert_se(streq(t4, "presuf"));
157 static void test_string_has_cc(void) {
158 assert_se(string_has_cc("abc\1", NULL));
159 assert_se(string_has_cc("abc\x7f", NULL));
160 assert_se(string_has_cc("abc\x7f", NULL));
161 assert_se(string_has_cc("abc\t\x7f", "\t"));
162 assert_se(string_has_cc("abc\t\x7f", "\t"));
163 assert_se(string_has_cc("\x7f", "\t"));
164 assert_se(string_has_cc("\x7f", "\t\a"));
166 assert_se(!string_has_cc("abc\t\t", "\t"));
167 assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
168 assert_se(!string_has_cc("a\ab\tc", "\t\a"));
171 #if 0 /// UNNEEDED by elogind
172 static void test_ascii_strlower(void) {
173 char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
174 assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk"));
178 static void test_strshorten(void) {
181 assert_se(strlen(strshorten(s, 6)) == 6);
182 assert_se(strlen(strshorten(s, 12)) == 6);
183 assert_se(strlen(strshorten(s, 2)) == 2);
184 assert_se(strlen(strshorten(s, 0)) == 0);
187 static void test_strjoina(void) {
190 actual = strjoina("", "foo", "bar");
191 assert_se(streq(actual, "foobar"));
193 actual = strjoina("foo", "bar", "baz");
194 assert_se(streq(actual, "foobarbaz"));
196 actual = strjoina("foo", "", "bar", "baz");
197 assert_se(streq(actual, "foobarbaz"));
199 actual = strjoina("foo");
200 assert_se(streq(actual, "foo"));
202 actual = strjoina(NULL);
203 assert_se(streq(actual, ""));
205 actual = strjoina(NULL, "foo");
206 assert_se(streq(actual, ""));
208 actual = strjoina("foo", NULL, "bar");
209 assert_se(streq(actual, "foo"));
212 static void test_strcmp_ptr(void) {
213 assert_se(strcmp_ptr(NULL, NULL) == 0);
214 assert_se(strcmp_ptr("", NULL) > 0);
215 assert_se(strcmp_ptr("foo", NULL) > 0);
216 assert_se(strcmp_ptr(NULL, "") < 0);
217 assert_se(strcmp_ptr(NULL, "bar") < 0);
218 assert_se(strcmp_ptr("foo", "bar") > 0);
219 assert_se(strcmp_ptr("bar", "baz") < 0);
220 assert_se(strcmp_ptr("foo", "foo") == 0);
221 assert_se(strcmp_ptr("", "") == 0);
224 static void test_foreach_word(void) {
225 const char *word, *state;
228 const char test[] = "test abc d\te f ";
229 const char * const expected[] = {
239 FOREACH_WORD(word, l, test, state)
240 assert_se(strneq(expected[i++], word, l));
243 static void check(const char *test, char** expected, bool trailing) {
246 printf("<<<%s>>>\n", test);
248 _cleanup_free_ char *word = NULL;
250 r = extract_first_word(&test, &word, NULL, EXTRACT_QUOTES);
252 assert_se(!trailing);
259 assert_se(streq(word, expected[i++]));
260 printf("<%s>\n", word);
262 assert_se(expected[i] == NULL);
265 static void test_foreach_word_quoted(void) {
266 check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
290 static void test_endswith(void) {
291 assert_se(endswith("foobar", "bar"));
292 assert_se(endswith("foobar", ""));
293 assert_se(endswith("foobar", "foobar"));
294 assert_se(endswith("", ""));
296 assert_se(!endswith("foobar", "foo"));
297 assert_se(!endswith("foobar", "foobarfoofoo"));
300 static void test_endswith_no_case(void) {
301 assert_se(endswith_no_case("fooBAR", "bar"));
302 assert_se(endswith_no_case("foobar", ""));
303 assert_se(endswith_no_case("foobar", "FOOBAR"));
304 assert_se(endswith_no_case("", ""));
306 assert_se(!endswith_no_case("foobar", "FOO"));
307 assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
310 #if 0 /// UNNEEDED by elogind
311 static void test_delete_chars(void) {
312 char *s, input[] = " hello, waldo. abc";
314 s = delete_chars(input, WHITESPACE);
315 assert_se(streq(s, "hello,waldo.abc"));
316 assert_se(s == input);
320 static void test_delete_trailing_chars(void) {
323 input1[] = " \n \r k \n \r ",
324 input2[] = "kkkkthiskkkiskkkaktestkkk",
327 s = delete_trailing_chars(input1, WHITESPACE);
328 assert_se(streq(s, " \n \r k"));
329 assert_se(s == input1);
331 s = delete_trailing_chars(input2, "kt");
332 assert_se(streq(s, "kkkkthiskkkiskkkaktes"));
333 assert_se(s == input2);
335 s = delete_trailing_chars(input3, WHITESPACE);
336 assert_se(streq(s, "abcdef"));
337 assert_se(s == input3);
339 s = delete_trailing_chars(input3, "fe");
340 assert_se(streq(s, "abcd"));
341 assert_se(s == input3);
344 static void test_delete_trailing_slashes(void) {
345 char s1[] = "foobar//",
350 assert_se(streq(delete_trailing_chars(s1, "_"), "foobar//"));
351 assert_se(streq(delete_trailing_chars(s1, "/"), "foobar"));
352 assert_se(streq(delete_trailing_chars(s2, "/"), "foobar"));
353 assert_se(streq(delete_trailing_chars(s3, "/"), "foobar"));
354 assert_se(streq(delete_trailing_chars(s4, "/"), ""));
357 #if 0 /// UNNEEDED by elogind
358 static void test_skip_leading_chars(void) {
359 char input1[] = " \n \r k \n \r ",
360 input2[] = "kkkkthiskkkiskkkaktestkkk",
363 assert_se(streq(skip_leading_chars(input1, WHITESPACE), "k \n \r "));
364 assert_se(streq(skip_leading_chars(input2, "k"), "thiskkkiskkkaktestkkk"));
365 assert_se(streq(skip_leading_chars(input2, "tk"), "hiskkkiskkkaktestkkk"));
366 assert_se(streq(skip_leading_chars(input3, WHITESPACE), "abcdef"));
367 assert_se(streq(skip_leading_chars(input3, "bcaef"), "def"));
371 static void test_in_charset(void) {
372 assert_se(in_charset("dddaaabbbcccc", "abcd"));
373 assert_se(!in_charset("dddaaabbbcccc", "abc f"));
376 static void test_split_pair(void) {
377 _cleanup_free_ char *a = NULL, *b = NULL;
379 assert_se(split_pair("", "", &a, &b) == -EINVAL);
380 assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
381 assert_se(split_pair("", "=", &a, &b) == -EINVAL);
382 assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
383 assert_se(streq(a, "foo"));
384 assert_se(streq(b, "bar"));
387 assert_se(split_pair("==", "==", &a, &b) >= 0);
388 assert_se(streq(a, ""));
389 assert_se(streq(b, ""));
393 assert_se(split_pair("===", "==", &a, &b) >= 0);
394 assert_se(streq(a, ""));
395 assert_se(streq(b, "="));
398 static void test_first_word(void) {
399 assert_se(first_word("Hello", ""));
400 assert_se(first_word("Hello", "Hello"));
401 assert_se(first_word("Hello world", "Hello"));
402 assert_se(first_word("Hello\tworld", "Hello"));
403 assert_se(first_word("Hello\nworld", "Hello"));
404 assert_se(first_word("Hello\rworld", "Hello"));
405 assert_se(first_word("Hello ", "Hello"));
407 assert_se(!first_word("Hello", "Hellooo"));
408 assert_se(!first_word("Hello", "xxxxx"));
409 assert_se(!first_word("Hellooo", "Hello"));
412 static void test_strlen_ptr(void) {
413 assert_se(strlen_ptr("foo") == 3);
414 assert_se(strlen_ptr("") == 0);
415 assert_se(strlen_ptr(NULL) == 0);
418 int main(int argc, char *argv[]) {
420 #if 0 /// UNNEEDED by elogind
421 test_ascii_strcasecmp_n();
422 test_ascii_strcasecmp_nn();
427 test_strextend_with_separator();
430 test_string_has_cc();
431 #if 0 /// UNNEEDED by elogind
432 test_ascii_strlower();
438 test_foreach_word_quoted();
440 test_endswith_no_case();
441 #if 0 /// UNNEEDED by elogind
444 test_delete_trailing_chars();
445 test_delete_trailing_slashes();
446 #if 0 /// UNNEEDED by elogind
447 test_skip_leading_chars();