summaryrefslogtreecommitdiffstats
path: root/gnulib-tests/test-xvasprintf.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnulib-tests/test-xvasprintf.c')
-rw-r--r--gnulib-tests/test-xvasprintf.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/gnulib-tests/test-xvasprintf.c b/gnulib-tests/test-xvasprintf.c
new file mode 100644
index 0000000..39bd264
--- /dev/null
+++ b/gnulib-tests/test-xvasprintf.c
@@ -0,0 +1,135 @@
+/* Test of xvasprintf() and xasprintf() functions.
+ Copyright (C) 2007-2020 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>, 2007. */
+
+/* Tell GCC not to warn about the specific edge cases tested here. */
+#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
+# pragma GCC diagnostic ignored "-Wformat-zero-length"
+# pragma GCC diagnostic ignored "-Wformat-nonliteral"
+# pragma GCC diagnostic ignored "-Wformat-security"
+#endif
+
+#include <config.h>
+
+#include "xvasprintf.h"
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+static char *
+my_xasprintf (const char *format, ...)
+{
+ va_list args;
+ char *ret;
+
+ va_start (args, format);
+ ret = xvasprintf (format, args);
+ va_end (args);
+ return ret;
+}
+
+static void
+test_xvasprintf (void)
+{
+ int repeat;
+ char *result;
+
+ for (repeat = 0; repeat <= 8; repeat++)
+ {
+ result = my_xasprintf ("%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ free (result);
+ }
+
+ {
+ /* Silence gcc warning about zero-length format string. */
+ const char *empty = "";
+ result = my_xasprintf (empty);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+ result = my_xasprintf ("%s", "foo");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foo") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%s", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobar") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%sbaz", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobarbaz") == 0);
+ free (result);
+}
+
+static void
+test_xasprintf (void)
+{
+ int repeat;
+ char *result;
+
+ for (repeat = 0; repeat <= 8; repeat++)
+ {
+ result = xasprintf ("%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ free (result);
+ }
+
+ {
+ /* Silence gcc warning about zero-length format string,
+ and about "format not a string literal and no format"
+ (whatever that means) . */
+ const char *empty = "";
+ result = xasprintf (empty, empty);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+ result = xasprintf ("%s", "foo");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foo") == 0);
+ free (result);
+
+ result = xasprintf ("%s%s", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobar") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%sbaz", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobarbaz") == 0);
+ free (result);
+}
+
+int
+main (int argc _GL_UNUSED, char *argv[])
+{
+ test_xvasprintf ();
+ test_xasprintf ();
+
+ return 0;
+}