Formatted output functions for Unicode strings.

[gnulib.git] / tests / unistdio / test-u16-asnprintf1.h

diff --git a/tests/unistdio/test-u16-asnprintf1.h b/tests/unistdio/test-u16-asnprintf1.h
new file mode 100644 (file)
index 0000000..5a219d6
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+++ b/tests/unistdio/test-u16-asnprintf1.h
@@ -0,0 +1,61 @@
+/* Test of u16_[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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
+
+static void
+test_function (uint16_t * (*my_asnprintf) (uint16_t *, size_t *, const char *, ...))
+{
+  uint16_t buf[8];
+  int size;
+
+  /* Test return value convention.  */
+
+  for (size = 0; size <= 8; size++)
+    {
+      size_t length = size;
+      uint16_t *result = my_asnprintf (NULL, &length, "%d", 12345);
+      static const uint16_t expected[] =
+       { '1', '2', '3', '4', '5', 0 };
+      ASSERT (result != NULL);
+      ASSERT (u16_strcmp (result, expected) == 0);
+      ASSERT (length == 5);
+      free (result);
+    }
+
+  for (size = 0; size <= 8; size++)
+    {
+      static const uint16_t initializer[] =
+       { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 };
+      static const uint16_t expected[] =
+       { '1', '2', '3', '4', '5', 0 };
+      size_t length;
+      uint16_t *result;
+
+      u16_cpy (buf, initializer, 8);
+      length = size;
+      result = my_asnprintf (buf, &length, "%d", 12345);
+      ASSERT (result != NULL);
+      ASSERT (u16_strcmp (result, expected) == 0);
+      ASSERT (length == 5);
+      if (size < 6)
+       ASSERT (result != buf);
+      ASSERT (u16_cmp (buf + size, initializer + size, 8 - size) == 0);
+      if (result != buf)
+       free (result);
+    }
+}