Imported gcc-4.4.3

[msp430-gcc.git] / gmp / tests / rand / t-urbui.c

diff --git a/gmp/tests/rand/t-urbui.c b/gmp/tests/rand/t-urbui.c
new file mode 100644 (file)
index 0000000..0251f4c
--- /dev/null
+++ b/gmp/tests/rand/t-urbui.c
@@ -0,0 +1,65 @@
+/* Test gmp_urandomb_ui.
+
+Copyright 2003, 2005 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 3 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.  If not, see http://www.gnu.org/licenses/.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+/* Expect numbers generated by rstate to obey the number of bits requested.
+   No point testing bits==BITS_PER_ULONG, since any return is acceptable in
+   that case.  */
+void
+check_one (const char *name, gmp_randstate_ptr rstate)
+{
+  unsigned long  bits, limit, got;
+  int    i;
+
+  for (bits = 0; bits < BITS_PER_ULONG; bits++)
+    {
+      /* will demand got < limit */
+      limit = (1L << bits);
+
+      for (i = 0; i < 5; i++)
+        {
+          got = gmp_urandomb_ui (rstate, bits);
+          if (got >= limit)
+            {
+              printf ("Return value out of range:\n");
+              printf ("  algorithm: %s\n", name);
+              printf ("  bits:  %lu\n", bits);
+              printf ("  limit: %#lx\n", limit);
+              printf ("  got:   %#lx\n", got);
+              abort ();
+            }
+        }
+    }
+}
+
+int
+main (int argc, char *argv[])
+{
+  tests_start ();
+
+  call_rand_algs (check_one);
+
+  tests_end ();
+  exit (0);
+}