test/hotspot/jtreg/gc/shenandoah/TestArrayCopyCheckCast.java

/*
 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
 *
 * 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 TestArrayCopyCheckCast
 * @key gc
 * @requires vm.gc.Shenandoah & !vm.graal.enabled
 *
 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:TieredStopAtLevel=0 -Xmx16m TestArrayCopyCheckCast
 */
public class TestArrayCopyCheckCast {

    static class Foo {}
    static class Bar {}

    public static void main(String[] args) throws Exception {
        try {
            Object[] array1 = new Object[1];
            array1[0] = new Bar();
            Foo[] array2 = new Foo[1];
            System.arraycopy(array1, 0, array2, 0, 1);
            throw new RuntimeException();
        } catch (ArrayStoreException ex) {
            // expected
        }
    }

}