Tests for module 'unistr/u8-stpcpy'.

[gnulib.git] / tests / unistr / test-stpcpy.h

diff --git a/tests/unistr/test-stpcpy.h b/tests/unistr/test-stpcpy.h
new file mode 100644 (file)
index 0000000..76065dc
--- /dev/null
+++ b/tests/unistr/test-stpcpy.h
@@ -0,0 +1,47 @@
+/* Test of uN_stpcpy() functions.
+   Copyright (C) 2010 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>, 2010.  */
+
+int
+main ()
+{
+  /* Test small copying operations.  */
+  {
+    static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e', 0 };
+    size_t n;
+
+    for (n = 1; n <= SIZEOF (src); n++)
+      {
+        UNIT dest[1 + SIZEOF (src) + 1] =
+          { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
+            MAGIC
+          };
+        UNIT *result;
+        size_t i;
+
+        result = U_STPCPY (dest + 1, src + SIZEOF (src) - n);
+        ASSERT (result == dest + n);
+
+        ASSERT (dest[0] == MAGIC);
+        for (i = 0; i < n; i++)
+          ASSERT (dest[1 + i] == src[SIZEOF (src) - n + i]);
+        ASSERT (dest[1 + n] == MAGIC);
+      }
+  }
+
+  return 0;
+}