Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/EscapeAnalysis/Test8020215.java
test/compiler/EscapeAnalysis/Test8020215.java
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| 1 /* | |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 8020215 | |
| 27 * @summary Different execution plan when using JIT vs interpreter | |
| 28 * @run main Test8020215 | |
| 29 */ | |
| 30 | |
| 31 import java.util.ArrayList; | |
| 32 import java.util.List; | |
| 33 | |
| 34 public class Test8020215 { | |
| 35 public static class NamedObject { | |
| 36 public int id; | |
| 37 public String name; | |
| 38 public NamedObject(int id, String name) { | |
| 39 this.id = id; | |
| 40 this.name = name; | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 public static class NamedObjectList { | |
| 45 public List<NamedObject> namedObjectList = new ArrayList<NamedObject>(); | |
| 46 | |
| 47 public NamedObject getBest(int id) { | |
| 48 NamedObject bestObject = null; | |
| 49 for (NamedObject o : namedObjectList) { | |
| 50 bestObject = id==o.id ? getBetter(bestObject, o) : bestObject; | |
| 51 } | |
| 52 return (bestObject != null) ? bestObject : null; | |
| 53 } | |
| 54 | |
| 55 private static NamedObject getBetter(NamedObject p1, NamedObject p2) { | |
| 56 return (p1 == null) ? p2 : (p2 == null) ? p1 : (p2.name.compareTo(p1.name) >= 0) ? p2 : p1; | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 static void test(NamedObjectList b, int i) { | |
| 61 NamedObject x = b.getBest(2); | |
| 62 // test | |
| 63 if (x == null) { | |
| 64 throw new RuntimeException("x should never be null here! (i=" + i + ")"); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 public static void main(String[] args) { | |
| 69 // setup | |
| 70 NamedObjectList b = new NamedObjectList(); | |
| 71 for (int i = 0; i < 10000; i++) { | |
| 72 b.namedObjectList.add(new NamedObject(1, "2012-12-31")); | |
| 73 } | |
| 74 b.namedObjectList.add(new NamedObject(2, "2013-12-31")); | |
| 75 | |
| 76 // execution | |
| 77 for (int i = 0; i < 12000; i++) { | |
| 78 test(b, i); | |
| 79 } | |
| 80 System.out.println("PASSED"); | |
| 81 } | |
| 82 } |
