RunFinalizationTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * 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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import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import jdk.test.lib.process.ProcessTools;

/*
 * @test
 * @summary Test of diagnostic command GC.run_finalization
 * @requires vm.flagless
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.compiler
 *          java.management
 *          jdk.internal.jvmstat/sun.jvmstat.monitor
 * @build FinalizationRunner
 * @run driver RunFinalizationTest
 */
public class RunFinalizationTest {
    private final static String TEST_APP_NAME = "FinalizationRunner";

    public static void main(String ... args) throws Exception {
        List<String> javaArgs = new ArrayList<>();
        javaArgs.add("-cp");
        javaArgs.add(System.getProperty("test.class.path"));
        javaArgs.add(TEST_APP_NAME);
        ProcessBuilder testAppPb = ProcessTools.createJavaProcessBuilder(javaArgs);

        final AtomicBoolean failed = new AtomicBoolean();
        final AtomicBoolean passed = new AtomicBoolean();

        Process runner = ProcessTools.startProcess(
            "FinalizationRunner",
            testAppPb,
            l -> {
                failed.compareAndSet(false, l.contains(FinalizationRunner.FAILED));
                passed.compareAndSet(false, l.contains(FinalizationRunner.PASSED));
            }
        );
        runner.waitFor();

        if (failed.get() || !passed.get()) {
            throw new Error("RunFinalizationTest failed");
        }
    }
}