/*

 * Copyright (c) 2018, Red Hat, Inc. 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.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @bug 8196294

 * @summary when loop strip is enabled, LoopStripMiningIterShortLoop should be not null

 * @requires vm.flavor == "server"

 * @library /test/lib /

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @run driver CheckLoopStripMiningIterShortLoop

 */

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class CheckLoopStripMiningIterShortLoop {

    public static void main(String[] args) throws Exception {

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", "-XX:+PrintFlagsFinal", "-version");

        OutputAnalyzer out = new OutputAnalyzer(pb.start());

        long iter = Long.parseLong(out.firstMatch("uintx LoopStripMiningIter                      = (\\d+)", 1));

        long iterShort = Long.parseLong(out.firstMatch("uintx LoopStripMiningIterShortLoop             = (\\d+)", 1));

        if (iter <= 0 || iterShort <= 0) {

            throw new RuntimeException("Bad defaults for loop strip mining");

        }

    }

}