test/sun/security/mscapi/PrngSlow.java

rev 11258 : 8139436: sun.security.mscapi.KeyStore might load incomplete data
Reviewed-by: vinnie, weijun

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2015 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -22,35 +22,28 @@
  */
 
 /**
  * @test
  * @bug 6449335
+ * @requires os.family == "windows"
  * @summary MSCAPI's PRNG is too slow
  */
 
 import java.security.SecureRandom;
 
 public class PrngSlow {
 
     public static void main(String[] args) throws Exception {
         double t = 0.0;
-        try {
             SecureRandom sr = null;
-            sr = SecureRandom.getInstance("PRNG", "SunMSCAPI");
+        sr = SecureRandom.getInstance("Windows-PRNG", "SunMSCAPI");
             long start = System.nanoTime();
-            int x = 0;
-            for(int i = 0; i < 10000; i++) {
+        for (int i = 0; i < 10000; i++) {
                 if (i % 100 == 0) System.err.print(".");
-                if (sr.nextBoolean()) x++;
+            sr.nextBoolean();
             };
             t = (System.nanoTime() - start) / 1000000000.0;
             System.err.println("\nSpend " + t + " seconds");
-        } catch (Exception e) {
-            // Not supported here, maybe not a Win32
-            System.err.println("Cannot find PRNG for SunMSCAPI or other mysterious bugs");
-            e.printStackTrace();
-            return;
-        }
         if (t > 5)
             throw new RuntimeException("Still too slow");
     }
 }