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/*
* Copyright (c) 2017, 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 TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @key gc randomness
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
* -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
* -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
* -XX:+ShenandoahDegeneratedGC
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
* -XX:-ShenandoahDegeneratedGC
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @key gc randomness
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
* -XX:+ShenandoahOOMDuringEvacALot
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
* -XX:+ShenandoahAllocFailureALot
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
* -XX:+ShenandoahVerify
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
* TestSieveObjects
*
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm/timeout=240 -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC
* -XX:-UseTLAB -XX:+ShenandoahVerify
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @key gc randomness
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
* -XX:+ShenandoahOOMDuringEvacALot
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
* -XX:+ShenandoahAllocFailureALot
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
* TestSieveObjects
*/
/*
* @test TestSieveObjects
* @summary Acceptance tests: collector can deal with retained objects
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
* -XX:+ShenandoahVerify
* TestSieveObjects
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
* TestSieveObjects
*/
import java.util.Random;
import jdk.test.lib.Utils;
public class TestSieveObjects {
static final int COUNT = 100_000_000;
static final int WINDOW = 1_000_000;
static final int PAYLOAD = 100;
static final MyObject[] arr = new MyObject[WINDOW];
public static void main(String[] args) throws Exception {
int rIdx = 0;
Random rng = Utils.getRandomInstance();
for (int c = 0; c < COUNT; c++) {
MyObject v = arr[rIdx];
if (v != null) {
if (v.x != rIdx) {
throw new IllegalStateException("Illegal value at index " + rIdx + ": " + v.x);
}
if (rng.nextInt(1000) > 100) {
arr[rIdx] = null;
}
} else {
if (rng.nextInt(1000) > 500) {
arr[rIdx] = new MyObject(rIdx);
}
}
rIdx++;
if (rIdx >= WINDOW) {
rIdx = 0;
}
}
}
public static class MyObject {
public int x;
public byte[] payload;
public MyObject(int x) {
this.x = x;
this.payload = new byte[PAYLOAD];
}
}
}
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