| /* |
| * Copyright (c) 2019, Red Hat, Inc. 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 TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| /* |
| * @test TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| /* |
| * @test TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| /* |
| * @test TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64") |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| /* |
| * @test TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64") |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC |
| * -XX:+ShenandoahVerify |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| /* |
| * @test TestClone |
| * @summary Test clone barriers work correctly |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64") |
| * |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -Xint |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:-TieredCompilation |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:TieredStopAtLevel=1 |
| * TestClone |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g |
| * -XX:-UseCompressedOops |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:TieredStopAtLevel=4 |
| * TestClone |
| */ |
| |
| |
| public class TestClone { |
| |
| public static void main(String[] args) throws Exception { |
| for (int i = 0; i < 10000; i++) { |
| Object[] src = new Object[i]; |
| for (int c = 0; c < src.length; c++) { |
| src[c] = new Object(); |
| } |
| testWith(src); |
| } |
| } |
| |
| static void testWith(Object[] src) { |
| Object[] dst = src.clone(); |
| int srcLen = src.length; |
| int dstLen = dst.length; |
| if (srcLen != dstLen) { |
| throw new IllegalStateException("Lengths do not match: " + srcLen + " vs " + dstLen); |
| } |
| for (int c = 0; c < src.length; c++) { |
| Object s = src[c]; |
| Object d = dst[c]; |
| if (s != d) { |
| throw new IllegalStateException("Elements do not match at " + c + ": " + s + " vs " + d); |
| } |
| } |
| } |
| } |