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, ""));
140 static void test_strappend(void) {
141 _cleanup_free_ char *t1, *t2, *t3, *t4;
143 t1 = strappend(NULL, NULL);
144 assert_se(streq(t1, ""));
146 t2 = strappend(NULL, "suf");
147 assert_se(streq(t2, "suf"));
149 t3 = strappend("pre", NULL);
150 assert_se(streq(t3, "pre"));
152 t4 = strappend("pre", "suf");
153 assert_se(streq(t4, "presuf"));
156 static void test_string_has_cc(void) {
157 assert_se(string_has_cc("abc\1", NULL));
158 assert_se(string_has_cc("abc\x7f", NULL));
159 assert_se(string_has_cc("abc\x7f", NULL));
160 assert_se(string_has_cc("abc\t\x7f", "\t"));
161 assert_se(string_has_cc("abc\t\x7f", "\t"));
162 assert_se(string_has_cc("\x7f", "\t"));
163 assert_se(string_has_cc("\x7f", "\t\a"));
165 assert_se(!string_has_cc("abc\t\t", "\t"));
166 assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
167 assert_se(!string_has_cc("a\ab\tc", "\t\a"));
170 #if 0 /// UNNEEDED by elogind
171 static void test_ascii_strlower(void) {
172 char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
173 assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk"));
177 static void test_strshorten(void) {
180 assert_se(strlen(strshorten(s, 6)) == 6);
181 assert_se(strlen(strshorten(s, 12)) == 6);
182 assert_se(strlen(strshorten(s, 2)) == 2);
183 assert_se(strlen(strshorten(s, 0)) == 0);
186 static void test_strjoina(void) {
189 actual = strjoina("", "foo", "bar");
190 assert_se(streq(actual, "foobar"));
192 actual = strjoina("foo", "bar", "baz");
193 assert_se(streq(actual, "foobarbaz"));
195 actual = strjoina("foo", "", "bar", "baz");
196 assert_se(streq(actual, "foobarbaz"));
198 actual = strjoina("foo");
199 assert_se(streq(actual, "foo"));
201 actual = strjoina(NULL);
202 assert_se(streq(actual, ""));
204 actual = strjoina(NULL, "foo");
205 assert_se(streq(actual, ""));
207 actual = strjoina("foo", NULL, "bar");
208 assert_se(streq(actual, "foo"));
211 static void test_strcmp_ptr(void) {
212 assert_se(strcmp_ptr(NULL, NULL) == 0);
213 assert_se(strcmp_ptr("", NULL) > 0);
214 assert_se(strcmp_ptr("foo", NULL) > 0);
215 assert_se(strcmp_ptr(NULL, "") < 0);
216 assert_se(strcmp_ptr(NULL, "bar") < 0);
217 assert_se(strcmp_ptr("foo", "bar") > 0);
218 assert_se(strcmp_ptr("bar", "baz") < 0);
219 assert_se(strcmp_ptr("foo", "foo") == 0);
220 assert_se(strcmp_ptr("", "") == 0);
223 static void test_foreach_word(void) {
224 const char *word, *state;
227 const char test[] = "test abc d\te f ";
228 const char * const expected[] = {
238 FOREACH_WORD(word, l, test, state)
239 assert_se(strneq(expected[i++], word, l));
242 static void check(const char *test, char** expected, bool trailing) {
245 printf("<<<%s>>>\n", test);
247 _cleanup_free_ char *word = NULL;
249 r = extract_first_word(&test, &word, NULL, EXTRACT_QUOTES);
251 assert_se(!trailing);
258 assert_se(streq(word, expected[i++]));
259 printf("<%s>\n", word);
261 assert_se(expected[i] == NULL);
264 static void test_foreach_word_quoted(void) {
265 check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
289 static void test_endswith(void) {
290 assert_se(endswith("foobar", "bar"));
291 assert_se(endswith("foobar", ""));
292 assert_se(endswith("foobar", "foobar"));
293 assert_se(endswith("", ""));
295 assert_se(!endswith("foobar", "foo"));
296 assert_se(!endswith("foobar", "foobarfoofoo"));
299 static void test_endswith_no_case(void) {
300 assert_se(endswith_no_case("fooBAR", "bar"));
301 assert_se(endswith_no_case("foobar", ""));
302 assert_se(endswith_no_case("foobar", "FOOBAR"));
303 assert_se(endswith_no_case("", ""));
305 assert_se(!endswith_no_case("foobar", "FOO"));
306 assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
309 #if 0 /// UNNEEDED by elogind
310 static void test_delete_chars(void) {
311 char *s, input[] = " hello, waldo. abc";
313 s = delete_chars(input, WHITESPACE);
314 assert_se(streq(s, "hello,waldo.abc"));
315 assert_se(s == input);
319 static void test_delete_trailing_chars(void) {
322 input1[] = " \n \r k \n \r ",
323 input2[] = "kkkkthiskkkiskkkaktestkkk",
326 s = delete_trailing_chars(input1, WHITESPACE);
327 assert_se(streq(s, " \n \r k"));
328 assert_se(s == input1);
330 s = delete_trailing_chars(input2, "kt");
331 assert_se(streq(s, "kkkkthiskkkiskkkaktes"));
332 assert_se(s == input2);
334 s = delete_trailing_chars(input3, WHITESPACE);
335 assert_se(streq(s, "abcdef"));
336 assert_se(s == input3);
338 s = delete_trailing_chars(input3, "fe");
339 assert_se(streq(s, "abcd"));
340 assert_se(s == input3);
343 static void test_delete_trailing_slashes(void) {
344 char s1[] = "foobar//",
349 assert_se(streq(delete_trailing_chars(s1, "_"), "foobar//"));
350 assert_se(streq(delete_trailing_chars(s1, "/"), "foobar"));
351 assert_se(streq(delete_trailing_chars(s2, "/"), "foobar"));
352 assert_se(streq(delete_trailing_chars(s3, "/"), "foobar"));
353 assert_se(streq(delete_trailing_chars(s4, "/"), ""));
356 #if 0 /// UNNEEDED by elogind
357 static void test_skip_leading_chars(void) {
358 char input1[] = " \n \r k \n \r ",
359 input2[] = "kkkkthiskkkiskkkaktestkkk",
362 assert_se(streq(skip_leading_chars(input1, WHITESPACE), "k \n \r "));
363 assert_se(streq(skip_leading_chars(input2, "k"), "thiskkkiskkkaktestkkk"));
364 assert_se(streq(skip_leading_chars(input2, "tk"), "hiskkkiskkkaktestkkk"));
365 assert_se(streq(skip_leading_chars(input3, WHITESPACE), "abcdef"));
366 assert_se(streq(skip_leading_chars(input3, "bcaef"), "def"));
370 static void test_in_charset(void) {
371 assert_se(in_charset("dddaaabbbcccc", "abcd"));
372 assert_se(!in_charset("dddaaabbbcccc", "abc f"));
375 static void test_split_pair(void) {
376 _cleanup_free_ char *a = NULL, *b = NULL;
378 assert_se(split_pair("", "", &a, &b) == -EINVAL);
379 assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
380 assert_se(split_pair("", "=", &a, &b) == -EINVAL);
381 assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
382 assert_se(streq(a, "foo"));
383 assert_se(streq(b, "bar"));
386 assert_se(split_pair("==", "==", &a, &b) >= 0);
387 assert_se(streq(a, ""));
388 assert_se(streq(b, ""));
392 assert_se(split_pair("===", "==", &a, &b) >= 0);
393 assert_se(streq(a, ""));
394 assert_se(streq(b, "="));
397 static void test_first_word(void) {
398 assert_se(first_word("Hello", ""));
399 assert_se(first_word("Hello", "Hello"));
400 assert_se(first_word("Hello world", "Hello"));
401 assert_se(first_word("Hello\tworld", "Hello"));
402 assert_se(first_word("Hello\nworld", "Hello"));
403 assert_se(first_word("Hello\rworld", "Hello"));
404 assert_se(first_word("Hello ", "Hello"));
406 assert_se(!first_word("Hello", "Hellooo"));
407 assert_se(!first_word("Hello", "xxxxx"));
408 assert_se(!first_word("Hellooo", "Hello"));
411 static void test_strlen_ptr(void) {
412 assert_se(strlen_ptr("foo") == 3);
413 assert_se(strlen_ptr("") == 0);
414 assert_se(strlen_ptr(NULL) == 0);
417 int main(int argc, char *argv[]) {
419 #if 0 /// UNNEEDED by elogind
420 test_ascii_strcasecmp_n();
421 test_ascii_strcasecmp_nn();
426 test_strextend_with_separator();
429 test_string_has_cc();
430 #if 0 /// UNNEEDED by elogind
431 test_ascii_strlower();
437 test_foreach_word_quoted();
439 test_endswith_no_case();
440 #if 0 /// UNNEEDED by elogind
443 test_delete_trailing_chars();
444 test_delete_trailing_slashes();
445 #if 0 /// UNNEEDED by elogind
446 test_skip_leading_chars();