1 files changed, 51 insertions, 0 deletions
diff --git a/stdlib/testrand.c b/stdlib/testrand.c
new file mode 100644
index 0000000000..b66dca9899
--- /dev/null
+++ b/stdlib/testrand.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+DEFUN_VOID(main)
+{
+  int i1, i2;
+  int j1, j2;
+
+  /* The C standard says that "If rand is called before any calls to
+     srand have been made, the same sequence shall be generated as
+     when srand is first called with a seed value of 1." */
+  i1 = rand();
+  i2 = rand();
+  srand (1);
+  j1 = rand();
+  j2 = rand();
+  if (j1 == i1 && j2 == i2)
+    {
+      puts ("Test succeeded.");
+      return 0;
+    }
+  else
+    {
+      if (j1 != i1)
+	printf ("%d != %d\n", j1, i1);
+      if (j2 != i2)
+	printf ("%d != %d\n", j2, i2);
+      puts ("Test FAILED!");
+      return 1;
+    }
+}