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-rw-r--r--src/test/test-string-util.c375
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diff --git a/src/test/test-string-util.c b/src/test/test-string-util.c
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+/***
+ This file is part of systemd.
+
+ Copyright 2015 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "macro.h"
+#include "string-util.h"
+#include "strv.h"
+
+static void test_string_erase(void) {
+ char *x;
+
+ x = strdupa("");
+ assert_se(streq(string_erase(x), ""));
+
+ x = strdupa("1");
+ assert_se(streq(string_erase(x), ""));
+
+ x = strdupa("123456789");
+ assert_se(streq(string_erase(x), ""));
+
+ assert_se(x[1] == '\0');
+ assert_se(x[2] == '\0');
+ assert_se(x[3] == '\0');
+ assert_se(x[4] == '\0');
+ assert_se(x[5] == '\0');
+ assert_se(x[6] == '\0');
+ assert_se(x[7] == '\0');
+ assert_se(x[8] == '\0');
+ assert_se(x[9] == '\0');
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_ascii_strcasecmp_n(void) {
+
+ assert_se(ascii_strcasecmp_n("", "", 0) == 0);
+ assert_se(ascii_strcasecmp_n("", "", 1) == 0);
+ assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
+ assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
+ assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
+ assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
+ assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
+ assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
+ assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
+ assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
+ assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
+ assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
+ assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
+ assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
+ assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
+ assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
+ assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
+
+ assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
+ assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
+ assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
+ assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
+ assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
+}
+
+static void test_ascii_strcasecmp_nn(void) {
+ assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
+ assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
+ assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
+ assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
+
+ assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
+ assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
+ assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
+ assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
+ assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
+
+ assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
+ assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
+ assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
+}
+#endif // 0
+
+static void test_streq_ptr(void) {
+ assert_se(streq_ptr(NULL, NULL));
+ assert_se(!streq_ptr("abc", "cdef"));
+}
+
+static void test_strstrip(void) {
+ char *r;
+ char input[] = " hello, waldo. ";
+
+ r = strstrip(input);
+ assert_se(streq(r, "hello, waldo."));
+}
+
+static void test_strextend(void) {
+ _cleanup_free_ char *str = strdup("0123");
+ strextend(&str, "456", "78", "9", NULL);
+ assert_se(streq(str, "0123456789"));
+}
+
+static void test_strrep(void) {
+ _cleanup_free_ char *one, *three, *zero;
+ one = strrep("waldo", 1);
+ three = strrep("waldo", 3);
+ zero = strrep("waldo", 0);
+
+ assert_se(streq(one, "waldo"));
+ assert_se(streq(three, "waldowaldowaldo"));
+ assert_se(streq(zero, ""));
+}
+
+
+static void test_strappend(void) {
+ _cleanup_free_ char *t1, *t2, *t3, *t4;
+
+ t1 = strappend(NULL, NULL);
+ assert_se(streq(t1, ""));
+
+ t2 = strappend(NULL, "suf");
+ assert_se(streq(t2, "suf"));
+
+ t3 = strappend("pre", NULL);
+ assert_se(streq(t3, "pre"));
+
+ t4 = strappend("pre", "suf");
+ assert_se(streq(t4, "presuf"));
+}
+
+static void test_string_has_cc(void) {
+ assert_se(string_has_cc("abc\1", NULL));
+ assert_se(string_has_cc("abc\x7f", NULL));
+ assert_se(string_has_cc("abc\x7f", NULL));
+ assert_se(string_has_cc("abc\t\x7f", "\t"));
+ assert_se(string_has_cc("abc\t\x7f", "\t"));
+ assert_se(string_has_cc("\x7f", "\t"));
+ assert_se(string_has_cc("\x7f", "\t\a"));
+
+ assert_se(!string_has_cc("abc\t\t", "\t"));
+ assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
+ assert_se(!string_has_cc("a\ab\tc", "\t\a"));
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_ascii_strlower(void) {
+ char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
+ assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk"));
+}
+#endif // 0
+
+static void test_strshorten(void) {
+ char s[] = "foobar";
+
+ assert_se(strlen(strshorten(s, 6)) == 6);
+ assert_se(strlen(strshorten(s, 12)) == 6);
+ assert_se(strlen(strshorten(s, 2)) == 2);
+ assert_se(strlen(strshorten(s, 0)) == 0);
+}
+
+static void test_strjoina(void) {
+ char *actual;
+
+ actual = strjoina("", "foo", "bar");
+ assert_se(streq(actual, "foobar"));
+
+ actual = strjoina("foo", "bar", "baz");
+ assert_se(streq(actual, "foobarbaz"));
+
+ actual = strjoina("foo", "", "bar", "baz");
+ assert_se(streq(actual, "foobarbaz"));
+
+ actual = strjoina("foo");
+ assert_se(streq(actual, "foo"));
+
+ actual = strjoina(NULL);
+ assert_se(streq(actual, ""));
+
+ actual = strjoina(NULL, "foo");
+ assert_se(streq(actual, ""));
+
+ actual = strjoina("foo", NULL, "bar");
+ assert_se(streq(actual, "foo"));
+}
+
+static void test_strcmp_ptr(void) {
+ assert_se(strcmp_ptr(NULL, NULL) == 0);
+ assert_se(strcmp_ptr("", NULL) > 0);
+ assert_se(strcmp_ptr("foo", NULL) > 0);
+ assert_se(strcmp_ptr(NULL, "") < 0);
+ assert_se(strcmp_ptr(NULL, "bar") < 0);
+ assert_se(strcmp_ptr("foo", "bar") > 0);
+ assert_se(strcmp_ptr("bar", "baz") < 0);
+ assert_se(strcmp_ptr("foo", "foo") == 0);
+ assert_se(strcmp_ptr("", "") == 0);
+}
+
+static void test_foreach_word(void) {
+ const char *word, *state;
+ size_t l;
+ int i = 0;
+ const char test[] = "test abc d\te f ";
+ const char * const expected[] = {
+ "test",
+ "abc",
+ "d",
+ "e",
+ "f",
+ "",
+ NULL
+ };
+
+ FOREACH_WORD(word, l, test, state)
+ assert_se(strneq(expected[i++], word, l));
+}
+
+static void check(const char *test, char** expected, bool trailing) {
+ int i = 0, r;
+
+ printf("<<<%s>>>\n", test);
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+
+ r = extract_first_word(&test, &word, NULL, EXTRACT_QUOTES);
+ if (r == 0) {
+ assert_se(!trailing);
+ break;
+ } else if (r < 0) {
+ assert_se(trailing);
+ break;
+ }
+
+ assert_se(streq(word, expected[i++]));
+ printf("<%s>\n", word);
+ }
+ assert_se(expected[i] == NULL);
+}
+
+static void test_foreach_word_quoted(void) {
+ check("test a b c 'd' e '' '' hhh '' '' \"a b c\"",
+ STRV_MAKE("test",
+ "a",
+ "b",
+ "c",
+ "d",
+ "e",
+ "",
+ "",
+ "hhh",
+ "",
+ "",
+ "a b c"),
+ false);
+
+ check("test \"xxx",
+ STRV_MAKE("test"),
+ true);
+
+ check("test\\",
+ STRV_MAKE_EMPTY,
+ true);
+}
+
+static void test_endswith(void) {
+ assert_se(endswith("foobar", "bar"));
+ assert_se(endswith("foobar", ""));
+ assert_se(endswith("foobar", "foobar"));
+ assert_se(endswith("", ""));
+
+ assert_se(!endswith("foobar", "foo"));
+ assert_se(!endswith("foobar", "foobarfoofoo"));
+}
+
+static void test_endswith_no_case(void) {
+ assert_se(endswith_no_case("fooBAR", "bar"));
+ assert_se(endswith_no_case("foobar", ""));
+ assert_se(endswith_no_case("foobar", "FOOBAR"));
+ assert_se(endswith_no_case("", ""));
+
+ assert_se(!endswith_no_case("foobar", "FOO"));
+ assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_delete_chars(void) {
+ char *r;
+ char input[] = " hello, waldo. abc";
+
+ r = delete_chars(input, WHITESPACE);
+ assert_se(streq(r, "hello,waldo.abc"));
+}
+#endif // 0
+
+static void test_in_charset(void) {
+ assert_se(in_charset("dddaaabbbcccc", "abcd"));
+ assert_se(!in_charset("dddaaabbbcccc", "abc f"));
+}
+
+static void test_split_pair(void) {
+ _cleanup_free_ char *a = NULL, *b = NULL;
+
+ assert_se(split_pair("", "", &a, &b) == -EINVAL);
+ assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
+ assert_se(split_pair("", "=", &a, &b) == -EINVAL);
+ assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
+ assert_se(streq(a, "foo"));
+ assert_se(streq(b, "bar"));
+ free(a);
+ free(b);
+ assert_se(split_pair("==", "==", &a, &b) >= 0);
+ assert_se(streq(a, ""));
+ assert_se(streq(b, ""));
+ free(a);
+ free(b);
+
+ assert_se(split_pair("===", "==", &a, &b) >= 0);
+ assert_se(streq(a, ""));
+ assert_se(streq(b, "="));
+}
+
+static void test_first_word(void) {
+ assert_se(first_word("Hello", ""));
+ assert_se(first_word("Hello", "Hello"));
+ assert_se(first_word("Hello world", "Hello"));
+ assert_se(first_word("Hello\tworld", "Hello"));
+ assert_se(first_word("Hello\nworld", "Hello"));
+ assert_se(first_word("Hello\rworld", "Hello"));
+ assert_se(first_word("Hello ", "Hello"));
+
+ assert_se(!first_word("Hello", "Hellooo"));
+ assert_se(!first_word("Hello", "xxxxx"));
+ assert_se(!first_word("Hellooo", "Hello"));
+}
+
+int main(int argc, char *argv[]) {
+ test_string_erase();
+#if 0 /// UNNEEDED by elogind
+ test_ascii_strcasecmp_n();
+ test_ascii_strcasecmp_nn();
+#endif // 0
+ test_streq_ptr();
+ test_strstrip();
+ test_strextend();
+ test_strrep();
+ test_strappend();
+ test_string_has_cc();
+#if 0 /// UNNEEDED by elogind
+ test_ascii_strlower();
+#endif // 0
+ test_strshorten();
+ test_strjoina();
+ test_strcmp_ptr();
+ test_foreach_word();
+ test_foreach_word_quoted();
+ test_endswith();
+ test_endswith_no_case();
+#if 0 /// UNNEEDED by elogind
+ test_delete_chars();
+#endif // 0
+ test_in_charset();
+ test_split_pair();
+ test_first_word();
+
+ return 0;
+}
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