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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/runtime/7158988/TestPostFieldModification.java	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,58 @@
     1.4 +/*
     1.5 + * Copyright 2012 SAP AG.  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 +public class TestPostFieldModification {
    1.28 +
    1.29 +  public String value;  // watch modification of value
    1.30 +
    1.31 +  public static void main(String[] args){
    1.32 +
    1.33 +    System.out.println("Start threads");
    1.34 +    // this thread modifies the field 'value'
    1.35 +    new Thread() {
    1.36 +      TestPostFieldModification test = new TestPostFieldModification();
    1.37 +      public void run() {
    1.38 +        test.value="test";
    1.39 +        for(int i = 0; i < 10; i++) {
    1.40 +          test.value += new String("_test");
    1.41 +        }
    1.42 +      }
    1.43 +    }.start();
    1.44 +
    1.45 +    // this thread is used to trigger a gc
    1.46 +    Thread d = new Thread() {
    1.47 +      public void run() {
    1.48 +        while(true) {
    1.49 +          try {
    1.50 +            Thread.sleep(100);
    1.51 +          } catch (InterruptedException e) {
    1.52 +
    1.53 +          }
    1.54 +          System.gc();
    1.55 +        }
    1.56 +      }
    1.57 +    };
    1.58 +    d.setDaemon(true);
    1.59 +    d.start();
    1.60 +  }
    1.61 +}