/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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,

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 */

package jdk.jfr.event.gc.detailed;

/**

 * @test

 * @summary Test allocates humongous objects with G1 GC. Objects

 * considered humongous when it allocates equals or more than one region. As

 * we're passing the size of byte array we need adjust it that entire structure

 * fits exactly to one region, if not - G1 will allocate another almost empty

 * region as a continue of humongous. Thus we will exhaust memory very fast and

 * test will fail with OOME.

 * @requires vm.hasJFR

 * @requires vm.gc == "null" | vm.gc == "G1"

 * @library /test/lib /test/jdk

 * @run main/othervm -XX:+UseG1GC -XX:MaxNewSize=5m -Xmx256m -XX:G1HeapRegionSize=1048576 jdk.jfr.event.gc.detailed.TestStressBigAllocationGCEventsWithG1 1048544

 */

public class TestStressBigAllocationGCEventsWithG1 {

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

        new StressAllocationGCEvents().run(args);

    }

}