--- /dev/null
+/* Test of string descriptors.
+ Copyright (C) 2023 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
+
+#include <config.h>
+
+#include "xstring-desc.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+ string_desc_t s0 = string_desc_new_empty ();
+ string_desc_t s1 = string_desc_from_c ("Hello world!");
+ string_desc_t s2 = string_desc_new_addr (21, "The\0quick\0brown\0\0fox");
+
+ /* Test xstring_desc_new. */
+ string_desc_t s4 = xstring_desc_new (5);
+ string_desc_set_char_at (s4, 0, 'H');
+ string_desc_set_char_at (s4, 4, 'o');
+ string_desc_set_char_at (s4, 1, 'e');
+ string_desc_fill (s4, 2, 4, 'l');
+ ASSERT (string_desc_length (s4) == 5);
+ ASSERT (string_desc_startswith (s1, s4));
+
+ /* Test xstring_desc_new_filled. */
+ string_desc_t s5 = xstring_desc_new_filled (5, 'l');
+ string_desc_set_char_at (s5, 0, 'H');
+ string_desc_set_char_at (s5, 4, 'o');
+ string_desc_set_char_at (s5, 1, 'e');
+ ASSERT (string_desc_length (s5) == 5);
+ ASSERT (string_desc_startswith (s1, s5));
+
+ /* Test xstring_desc_copy. */
+ {
+ string_desc_t s6 = xstring_desc_copy (s0);
+ ASSERT (string_desc_is_empty (s6));
+ string_desc_free (s6);
+ }
+ {
+ string_desc_t s6 = xstring_desc_copy (s2);
+ ASSERT (string_desc_equals (s6, s2));
+ string_desc_free (s6);
+ }
+
+ /* Test xstring_desc_concat. */
+ {
+ string_desc_t s8 =
+ xstring_desc_concat (3, string_desc_new_addr (10, "The\0quick"),
+ string_desc_new_addr (7, "brown\0"),
+ string_desc_new_addr (4, "fox"),
+ string_desc_new_addr (7, "unused"));
+ ASSERT (string_desc_equals (s8, s2));
+ string_desc_free (s8);
+ }
+
+ /* Test xstring_desc_c. */
+ {
+ char *ptr = xstring_desc_c (s2);
+ ASSERT (ptr != NULL);
+ ASSERT (memcmp (ptr, "The\0quick\0brown\0\0fox\0", 22) == 0);
+ free (ptr);
+ }
+
+ return 0;
+}