/* * Copyright (c) 2013, Oracle and/or its affiliates. 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 * @bug 8020215 * @summary Different execution plan when using JIT vs interpreter * * @run main compiler.escapeAnalysis.Test8020215 */ package compiler.escapeAnalysis; import java.util.ArrayList; import java.util.List; public class Test8020215 { public static class NamedObject { public int id; public String name; public NamedObject(int id, String name) { this.id = id; this.name = name; } } public static class NamedObjectList { public List namedObjectList = new ArrayList(); public NamedObject getBest(int id) { NamedObject bestObject = null; for (NamedObject o : namedObjectList) { bestObject = id==o.id ? getBetter(bestObject, o) : bestObject; } return (bestObject != null) ? bestObject : null; } private static NamedObject getBetter(NamedObject p1, NamedObject p2) { return (p1 == null) ? p2 : (p2 == null) ? p1 : (p2.name.compareTo(p1.name) >= 0) ? p2 : p1; } } static void test(NamedObjectList b, int i) { NamedObject x = b.getBest(2); // test if (x == null) { throw new RuntimeException("x should never be null here! (i=" + i + ")"); } } public static void main(String[] args) { // setup NamedObjectList b = new NamedObjectList(); for (int i = 0; i < 10000; i++) { b.namedObjectList.add(new NamedObject(1, "2012-12-31")); } b.namedObjectList.add(new NamedObject(2, "2013-12-31")); // execution for (int i = 0; i < 12000; i++) { test(b, i); } System.out.println("PASSED"); } }