108 lines
3.6 KiB
Java
108 lines
3.6 KiB
Java
/*
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* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc.epsilon;
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/**
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* @test TestObjects
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* @key randomness
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* @requires vm.gc.Epsilon
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* @summary Epsilon is able to allocate objects, and does not corrupt their state
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* @library /test/lib
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*
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* @run main/othervm -XX:+UseTLAB -Xmx256m
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:+UseTLAB -Xmx256m
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* -Xint
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:+UseTLAB -Xmx256m
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* -Xbatch -Xcomp -XX:TieredStopAtLevel=1
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:+UseTLAB -Xmx256m
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* -Xbatch -Xcomp -XX:-TieredCompilation
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:-UseTLAB -Xmx256m
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:-UseTLAB -Xmx256m
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* -Xint
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:-UseTLAB -Xmx256m
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* -Xbatch -Xcomp -XX:TieredStopAtLevel=1
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*
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* @run main/othervm -XX:-UseTLAB -Xmx256m
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* -Xbatch -Xcomp -XX:-TieredCompilation
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* -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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* gc.epsilon.TestObjects
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*/
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import java.util.Random;
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import jdk.test.lib.Utils;
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public class TestObjects {
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static int COUNT = Integer.getInteger("count", 1_000_000); // ~24 MB allocation
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static MyObject[] arr;
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public static void main(String[] args) throws Exception {
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Random r = Utils.getRandomInstance();
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arr = new MyObject[COUNT];
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for (int c = 0; c < COUNT; c++) {
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arr[c] = new MyObject(r.nextInt());
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}
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r = new Random(Utils.SEED);
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for (int c = 0; c < COUNT; c++) {
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int expected = r.nextInt();
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int actual = arr[c].id();
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if (expected != actual) {
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throw new IllegalStateException("Failure: expected = " + expected + ", actual = " + actual);
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}
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}
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}
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public static class MyObject {
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int id;
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public MyObject(int id) {
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this.id = id;
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}
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public int id() {
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return id;
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}
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}
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}
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