0N/A/*
2362N/A * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 6449335
0N/A * @summary MSCAPI's PRNG is too slow
0N/A */
0N/A
0N/Aimport java.security.SecureRandom;
0N/A
0N/Apublic class PrngSlow {
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A double t = 0.0;
0N/A try {
0N/A SecureRandom sr = null;
0N/A sr = SecureRandom.getInstance("PRNG", "SunMSCAPI");
0N/A long start = System.nanoTime();
0N/A int x = 0;
0N/A for(int i = 0; i < 10000; i++) {
0N/A if (i % 100 == 0) System.err.print(".");
0N/A if (sr.nextBoolean()) x++;
0N/A };
0N/A t = (System.nanoTime() - start) / 1000000000.0;
0N/A System.err.println("\nSpend " + t + " seconds");
0N/A } catch (Exception e) {
0N/A // Not supported here, maybe not a Win32
0N/A System.err.println("Cannot find PRNG for SunMSCAPI or other mysterious bugs");
0N/A e.printStackTrace();
0N/A return;
0N/A }
0N/A if (t > 5)
0N/A throw new RuntimeException("Still too slow");
0N/A }
0N/A}