1 files changed, 61 insertions, 4 deletions

diff --git a/src/test/test-string-util.c b/src/test/test-string-util.c
index 12340f075..0f841e5d7 100644
--- a/src/test/test-string-util.c
+++ b/src/test/test-string-util.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -321,11 +322,62 @@ static void test_endswith_no_case(void) {
 
 #if 0 /// UNNEEDED by elogind
 static void test_delete_chars(void) {
-        char *r;
-        char input[] = "   hello, waldo.   abc";
+        char *s, input[] = "   hello, waldo.   abc";
+
+        s = delete_chars(input, WHITESPACE);
+        assert_se(streq(s, "hello,waldo.abc"));
+        assert_se(s == input);
+}
+#endif // 0
+
+static void test_delete_trailing_chars(void) {
+
+        char *s,
+                input1[] = " \n \r k \n \r ",
+                input2[] = "kkkkthiskkkiskkkaktestkkk",
+                input3[] = "abcdef";
+
+        s = delete_trailing_chars(input1, WHITESPACE);
+        assert_se(streq(s, " \n \r k"));
+        assert_se(s == input1);
+
+        s = delete_trailing_chars(input2, "kt");
+        assert_se(streq(s, "kkkkthiskkkiskkkaktes"));
+        assert_se(s == input2);
 
-        r = delete_chars(input, WHITESPACE);
-        assert_se(streq(r, "hello,waldo.abc"));
+        s = delete_trailing_chars(input3, WHITESPACE);
+        assert_se(streq(s, "abcdef"));
+        assert_se(s == input3);
+
+        s = delete_trailing_chars(input3, "fe");
+        assert_se(streq(s, "abcd"));
+        assert_se(s == input3);
+}
+
+static void test_delete_trailing_slashes(void) {
+        char s1[] = "foobar//",
+             s2[] = "foobar/",
+             s3[] = "foobar",
+             s4[] = "";
+
+        assert_se(streq(delete_trailing_chars(s1, "_"), "foobar//"));
+        assert_se(streq(delete_trailing_chars(s1, "/"), "foobar"));
+        assert_se(streq(delete_trailing_chars(s2, "/"), "foobar"));
+        assert_se(streq(delete_trailing_chars(s3, "/"), "foobar"));
+        assert_se(streq(delete_trailing_chars(s4, "/"), ""));
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_skip_leading_chars(void) {
+        char input1[] = " \n \r k \n \r ",
+                input2[] = "kkkkthiskkkiskkkaktestkkk",
+                input3[] = "abcdef";
+
+        assert_se(streq(skip_leading_chars(input1, WHITESPACE), "k \n \r "));
+        assert_se(streq(skip_leading_chars(input2, "k"), "thiskkkiskkkaktestkkk"));
+        assert_se(streq(skip_leading_chars(input2, "tk"), "hiskkkiskkkaktestkkk"));
+        assert_se(streq(skip_leading_chars(input3, WHITESPACE), "abcdef"));
+        assert_se(streq(skip_leading_chars(input3, "bcaef"), "def"));
 }
 #endif // 0
 
@@ -402,6 +454,11 @@ int main(int argc, char *argv[]) {
 #if 0 /// UNNEEDED by elogind
         test_delete_chars();
 #endif // 0
+        test_delete_trailing_chars();
+        test_delete_trailing_slashes();
+#if 0 /// UNNEEDED by elogind
+        test_skip_leading_chars();
+#endif // 0
         test_in_charset();
         test_split_pair();
         test_first_word();