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annotate test/compiler/EscapeAnalysis/Test8020215.java @ 19148:276bc2752feb

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author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 05 Feb 2015 03:42:23 +0100
parents c90c698831d7
children
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 8020215
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27 * @summary Different execution plan when using JIT vs interpreter
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28 * @run main Test8020215
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29 */
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30
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31 import java.util.ArrayList;
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32 import java.util.List;
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33
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34 public class Test8020215 {
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35 public static class NamedObject {
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36 public int id;
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37 public String name;
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38 public NamedObject(int id, String name) {
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39 this.id = id;
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40 this.name = name;
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41 }
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42 }
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43
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44 public static class NamedObjectList {
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45 public List<NamedObject> namedObjectList = new ArrayList<NamedObject>();
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46
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47 public NamedObject getBest(int id) {
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48 NamedObject bestObject = null;
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49 for (NamedObject o : namedObjectList) {
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50 bestObject = id==o.id ? getBetter(bestObject, o) : bestObject;
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51 }
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52 return (bestObject != null) ? bestObject : null;
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53 }
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54
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55 private static NamedObject getBetter(NamedObject p1, NamedObject p2) {
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56 return (p1 == null) ? p2 : (p2 == null) ? p1 : (p2.name.compareTo(p1.name) >= 0) ? p2 : p1;
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57 }
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58 }
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59
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60 static void test(NamedObjectList b, int i) {
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61 NamedObject x = b.getBest(2);
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62 // test
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63 if (x == null) {
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64 throw new RuntimeException("x should never be null here! (i=" + i + ")");
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65 }
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66 }
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67
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68 public static void main(String[] args) {
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69 // setup
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70 NamedObjectList b = new NamedObjectList();
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71 for (int i = 0; i < 10000; i++) {
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72 b.namedObjectList.add(new NamedObject(1, "2012-12-31"));
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73 }
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74 b.namedObjectList.add(new NamedObject(2, "2013-12-31"));
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75
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76 // execution
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77 for (int i = 0; i < 12000; i++) {
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78 test(b, i);
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79 }
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80 System.out.println("PASSED");
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81 }
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82 }