1 files changed, 60 insertions, 0 deletions
diff --git a/tests/unistdio/test-u32-asnprintf1.h b/tests/unistdio/test-u32-asnprintf1.h
new file mode 100644
index 0000000..dfaed98
--- /dev/null
+++ b/tests/unistdio/test-u32-asnprintf1.h
@@ -0,0 +1,60 @@
+/* Test of u32_[v]asnprintf() function.
+   Copyright (C) 2007 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 <http://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
+
+static void
+test_function (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...))
+{
+  uint32_t buf[8];
+  int size;
+
+  /* Test return value convention.  */
+
+  for (size = 0; size <= 8; size++)
+    {
+      size_t length = size;
+      uint32_t *result = my_asnprintf (NULL, &length, "%d", 12345);
+      static const uint32_t expected[] =
+	{ '1', '2', '3', '4', '5', 0 };
+      ASSERT (result != NULL);
+      ASSERT (u32_strcmp (result, expected) == 0);
+      ASSERT (length == 5);
+      free (result);
+    }
+
+  for (size = 0; size <= 8; size++)
+    {
+      static const uint32_t initializer[] =
+	{ 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
+      static const uint32_t expected[] =
+	{ '1', '2', '3', '4', '5', 0 };
+      size_t length;
+      uint32_t *result;
+
+      u32_cpy (buf, initializer, 8);
+      length = size;
+      result = my_asnprintf (buf, &length, "%d", 12345);
+      ASSERT (result != NULL);
+      ASSERT (u32_strcmp (result, expected) == 0);
+      ASSERT (length == 5);
+      if (size < 6)
+	ASSERT (result != buf);
+      ASSERT (u32_cmp (buf + size, initializer + size, 8 - size) == 0);
+      if (result != buf)
+	free (result);
+    }
+}