string-desc-quotearg: Add tests.

* tests/test-string-desc-quotearg.c: New file.
* modules/string-desc-quotearg-tests: New file.

1 files changed, 100 insertions, 0 deletions

diff --git a/tests/test-string-desc-quotearg.c b/tests/test-string-desc-quotearg.c
new file mode 100644
index 0000000000..0a3c42d35c
--- /dev/null
+++ b/tests/test-string-desc-quotearg.c
@@ -0,0 +1,100 @@
+/* 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 "string-desc-quotearg.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+  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 string_desc_quotearg_buffer.  */
+  {
+    char buf[80];
+    size_t n = string_desc_quotearg_buffer (buf, sizeof (buf), s2, NULL);
+    ASSERT (n == 21);
+    ASSERT (memcmp (buf, "The\0quick\0brown\0\0fox", n) == 0);
+  }
+
+  /* Test string_desc_quotearg_alloc.  */
+  {
+    size_t n;
+    char *ret = string_desc_quotearg_alloc (s2, &n, NULL);
+    ASSERT (n == 21);
+    ASSERT (memcmp (ret, "The\0quick\0brown\0\0fox", n) == 0);
+    free (ret);
+  }
+
+  /* Test string_desc_quotearg_n.  */
+  {
+    char *ret = string_desc_quotearg_n (1, s2);
+    ASSERT (memcmp (ret, "Thequickbrownfox", 16 + 1) == 0);
+  }
+
+  /* Test string_desc_quotearg.  */
+  {
+    char *ret = string_desc_quotearg (s2);
+    ASSERT (memcmp (ret, "Thequickbrownfox", 16 + 1) == 0);
+  }
+
+  /* Test string_desc_quotearg_n_style.  */
+  {
+    char *ret = string_desc_quotearg_n_style (1, clocale_quoting_style, s2);
+    ASSERT (memcmp (ret, "\"The\\0quick\\0brown\\0\\0fox\\0\"", 28 + 1) == 0);
+  }
+
+  /* Test string_desc_quotearg_style.  */
+  {
+    char *ret = string_desc_quotearg_style (clocale_quoting_style, s2);
+    ASSERT (memcmp (ret, "\"The\\0quick\\0brown\\0\\0fox\\0\"", 28 + 1) == 0);
+  }
+
+  /* Test string_desc_quotearg_char.  */
+  {
+    char *ret = string_desc_quotearg_char (s1, ' ');
+    ASSERT (memcmp (ret, "Hello world!", 12 + 1) == 0); /* ' ' not quoted?! */
+  }
+
+  /* Test string_desc_quotearg_colon.  */
+  {
+    char *ret = string_desc_quotearg_colon (string_desc_from_c ("a:b"));
+    ASSERT (memcmp (ret, "a:b", 3 + 1) == 0); /* ':' not quoted?! */
+  }
+
+  /* Test string_desc_quotearg_n_custom.  */
+  {
+    char *ret = string_desc_quotearg_n_custom (2, "<", ">", s1);
+    ASSERT (memcmp (ret, "<Hello world!>", 14 + 1) == 0);
+  }
+
+  /* Test string_desc_quotearg_n_custom.  */
+  {
+    char *ret = string_desc_quotearg_custom ("[[", "]]", s1);
+    ASSERT (memcmp (ret, "[[Hello world!]]", 16 + 1) == 0);
+  }
+
+  return 0;
+}