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