Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/EscapeAnalysis/Test8020215.java	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,82 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8020215
    1.30 + * @summary Different execution plan when using JIT vs interpreter
    1.31 + * @run main Test8020215
    1.32 + */
    1.33 +
    1.34 +import java.util.ArrayList;
    1.35 +import java.util.List;
    1.36 +
    1.37 +public class Test8020215 {
    1.38 +    public static class NamedObject {
    1.39 +        public int id;
    1.40 +        public String name;
    1.41 +        public NamedObject(int id, String name) {
    1.42 +            this.id = id;
    1.43 +            this.name = name;
    1.44 +        }
    1.45 +    }
    1.46 +
    1.47 +    public static class NamedObjectList {
    1.48 +        public List<NamedObject> namedObjectList = new ArrayList<NamedObject>();
    1.49 +
    1.50 +        public NamedObject getBest(int id) {
    1.51 +            NamedObject bestObject = null;
    1.52 +            for (NamedObject o : namedObjectList) {
    1.53 +                bestObject = id==o.id ? getBetter(bestObject, o) : bestObject;
    1.54 +            }
    1.55 +            return (bestObject != null) ? bestObject : null;
    1.56 +        }
    1.57 +
    1.58 +        private static NamedObject getBetter(NamedObject p1, NamedObject p2) {
    1.59 +            return (p1 == null) ? p2 : (p2 == null) ? p1 : (p2.name.compareTo(p1.name) >= 0) ? p2 : p1;
    1.60 +        }
    1.61 +    }
    1.62 +
    1.63 +    static void test(NamedObjectList b, int i) {
    1.64 +        NamedObject x = b.getBest(2);
    1.65 +        // test
    1.66 +        if (x == null) {
    1.67 +            throw new RuntimeException("x should never be null here! (i=" + i + ")");
    1.68 +        }
    1.69 +    }
    1.70 +
    1.71 +    public static void main(String[] args) {
    1.72 +        // setup
    1.73 +        NamedObjectList b = new NamedObjectList();
    1.74 +        for (int i = 0; i < 10000; i++) {
    1.75 +            b.namedObjectList.add(new NamedObject(1, "2012-12-31"));
    1.76 +        }
    1.77 +        b.namedObjectList.add(new NamedObject(2, "2013-12-31"));
    1.78 +
    1.79 +        // execution
    1.80 +        for (int i = 0; i < 12000; i++) {
    1.81 +            test(b, i);
    1.82 +        }
    1.83 +        System.out.println("PASSED");
    1.84 +    }
    1.85 +}