* tests/t-parity.c: New test.

1 files changed, 69 insertions, 0 deletions

diff --git a/tests/t-parity.c b/tests/t-parity.c
new file mode 100644
index 000000000..8acb22dde
--- /dev/null
+++ b/tests/t-parity.c
@@ -0,0 +1,69 @@
+/* Test ULONG_PARITY.
+
+Copyright 2002 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+The GNU MP Library 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+void
+check_one (int want, unsigned long n)
+{
+  int  got;
+  ULONG_PARITY (got, n);
+  if (got != want)
+    {
+      printf ("ULONG_PARITY wrong\n");
+      printf ("  n    %lX\n", n);
+      printf ("  want %d\n", want);
+      printf ("  got  %d\n", got);
+      abort ();
+    }
+}
+
+void
+check_various (void)
+{
+  int  i;
+
+  check_one (0, 0L);
+  check_one (BITS_PER_ULONG & 1, ULONG_MAX);
+  check_one (0, 0x11L);
+  check_one (1, 0x111L);
+  check_one (1, 0x3111L);
+
+  for (i = 0; i < BITS_PER_ULONG; i++)
+    check_one (1, 1L << i);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  tests_start ();
+  mp_trace_base = 16;
+
+  check_various ();
+
+  tests_end ();
+  exit (0);
+}