/*
 * Copyright (c) 2015, 2018, 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.
 *
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @summary Test checks output displayed with jstat -gc.
 *          Test scenario:
 *          test forces debuggee application eat ~70% of heap and runs jstat.
 *          jstat should show actual usage of old gen (OC/OU ~= old gen usage).
 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
 * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 * @library ../share
 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
                     -XX:+UsePerfData -XX:MaxNewSize=4m -XX:MaxHeapSize=128M -XX:MaxMetaspaceSize=128M GcTest02
 */
import utils.*;

// This test produces more than 90_000 classes until it eats up ~70% of the 128M meta space.
// We turn off VerifyDependencies because it slows down the test considerably in debug builds.
public class GcTest02 {

    public static void main(String[] args) throws Exception {
        new GarbageProducerTest(new JstatGcTool(ProcessHandle.current().pid())).run();
    }
}
