jdk8-mips64-public/hotspot: test/runtime/contended/OopMaps.java@cb2e4b603dcb

     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  */

    24 import java.io.BufferedReader;

    25 import java.io.InputStreamReader;

    26 import java.lang.Class;

    27 import java.lang.String;

    28 import java.lang.System;

    29 import java.lang.management.ManagementFactory;

    30 import java.lang.management.RuntimeMXBean;

    31 import java.util.ArrayList;

    32 import java.util.List;

    33 import java.util.concurrent.CyclicBarrier;

    34 import java.util.regex.Matcher;

    35 import java.util.regex.Pattern;

    36 import java.lang.reflect.Field;

    37 import java.lang.reflect.Modifier;

    38 import sun.misc.Unsafe;

    39 import sun.misc.Contended;

    41 /*

    42  * @test

    43  * @bug     8015270

    44  * @bug     8015493

    45  * @summary \@Contended: fix multiple issues in the layout code

    46  *

    47  * @run main/othervm -XX:-RestrictContended -XX:ContendedPaddingWidth=128 -Xmx128m OopMaps

    48  */

    49 public class OopMaps {

    51     public static final int COUNT = 10000;

    53     public static void main(String[] args) throws Exception {

    54         Object o01 = new Object();

    55         Object o02 = new Object();

    56         Object o03 = new Object();

    57         Object o04 = new Object();

    58         Object o05 = new Object();

    59         Object o06 = new Object();

    60         Object o07 = new Object();

    61         Object o08 = new Object();

    62         Object o09 = new Object();

    63         Object o10 = new Object();

    64         Object o11 = new Object();

    65         Object o12 = new Object();

    66         Object o13 = new Object();

    67         Object o14 = new Object();

    69         R1[] rs = new R1[COUNT];

    71         for (int i = 0; i < COUNT; i++) {

    72            R1 r1 = new R1();

    73            r1.o01 = o01;

    74            r1.o02 = o02;

    75            r1.o03 = o03;

    76            r1.o04 = o04;

    77            r1.o05 = o05;

    78            r1.o06 = o06;

    79            r1.o07 = o07;

    80            r1.o08 = o08;

    81            r1.o09 = o09;

    82            r1.o10 = o10;

    83            r1.o11 = o11;

    84            r1.o12 = o12;

    85            r1.o13 = o13;

    86            r1.o14 = o14;

    87            r1.i1 = 1;

    88            r1.i2 = 2;

    89            r1.i3 = 3;

    90            r1.i4 = 4;

    91            rs[i] = r1;

    92         }

    94         System.gc();

    96         for (int i = 0; i < COUNT; i++) {

    97            R1 r1 = rs[i];

    98            if (r1.o01 != o01) throw new Error("Test Error: o01");

    99            if (r1.o02 != o02) throw new Error("Test Error: o02");

   100            if (r1.o03 != o03) throw new Error("Test Error: o03");

   101            if (r1.o04 != o04) throw new Error("Test Error: o04");

   102            if (r1.o05 != o05) throw new Error("Test Error: o05");

   103            if (r1.o06 != o06) throw new Error("Test Error: o06");

   104            if (r1.o07 != o07) throw new Error("Test Error: o07");

   105            if (r1.o08 != o08) throw new Error("Test Error: o08");

   106            if (r1.o09 != o09) throw new Error("Test Error: o09");

   107            if (r1.o10 != o10) throw new Error("Test Error: o10");

   108            if (r1.o11 != o11) throw new Error("Test Error: o11");

   109            if (r1.o12 != o12) throw new Error("Test Error: o12");

   110            if (r1.o13 != o13) throw new Error("Test Error: o13");

   111            if (r1.o14 != o14) throw new Error("Test Error: o14");

   112            if (r1.i1 != 1)    throw new Error("Test Error: i1");

   113            if (r1.i2 != 2)    throw new Error("Test Error: i2");

   114            if (r1.i3 != 3)    throw new Error("Test Error: i3");

   115            if (r1.i4 != 4)    throw new Error("Test Error: i4");

   116         }

   117     }

   119     public static class R0 {

   120         int i1;

   121         int i2;

   123         Object o01;

   124         Object o02;

   126         @Contended

   127         Object o03;

   129         @Contended

   130         Object o04;

   132         @Contended

   133         Object o05;

   135         @Contended

   136         Object o06;

   138         @Contended

   139         Object o07;

   140    }

   142    public static class R1 extends R0 {

   143         int i3;

   144         int i4;

   146         Object o08;

   147         Object o09;

   149         @Contended

   150         Object o10;

   152         @Contended

   153         Object o11;

   155         @Contended

   156         Object o12;

   158         @Contended

   159         Object o13;

   161         @Contended

   162         Object o14;

   163    }

   165 }

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