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From Tim Ellison <t.p.elli...@gmail.com>
Subject Re: svn commit: r578848 - in /harmony/enhanced/drlvm/trunk/src/test/regression/H4706: ./ Test.java ThreadArrayInterrupt.java
Date Mon, 24 Sep 2007 15:27:54 GMT
These files need a standard block comment.

Regards,
Tim

gshimansky@apache.org wrote:
> Author: gshimansky
> Date: Mon Sep 24 08:13:36 2007
> New Revision: 578848
> 
> URL: http://svn.apache.org/viewvc?rev=578848&view=rev
> Log:
> Added a regression test from HARMONY-4706
> 
> 
> Added:
>     harmony/enhanced/drlvm/trunk/src/test/regression/H4706/
>     harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java   (with props)
>     harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java
  (with props)
> 
> Added: harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java
> URL: http://svn.apache.org/viewvc/harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java?rev=578848&view=auto
> ==============================================================================
> --- harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java (added)
> +++ harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java Mon Sep 24 08:13:36
2007
> @@ -0,0 +1,71 @@
> +package org.apache.harmony.drlvm.tests.regression.h4706;
> +
> +import java.io.File;
> +import java.io.InputStreamReader;
> +import java.io.BufferedReader;
> +import junit.framework.TestCase;
> +
> +/**
> + * Runs VM in child process for the 'TestClass' and checks that it doesn't
> + * crash and returns zero exitValue.
> + * Child process for the test application is required because the crash doesn't
> + * reproduce in junit test.
> + */
> +public class Test extends TestCase {
> +
> +    final static String testClass =
> +       "org.apache.harmony.drlvm.tests.regression.h4706.ThreadArrayInterrupt";
> +
> +    public static void main(String[] args) {
> +        (new Test()).test();
> +    }
> +
> +    public void test() {
> +        ProcessBuilder pb = new ProcessBuilder(
> +            System.getProperty("java.home") + File.separator + "bin" +
> +                    File.separator+"java",
> +            "-XX:vm.assert_dialog=false",
> +            "-cp",
> +            System.getProperty("java.class.path"),
> +            testClass
> +        );
> +
> +        // merge stderr adn stdout for child VM process
> +        pb.redirectErrorStream(true);
> +
> +        System.out.println("Command line for child VM:");
> +
> +        for (String arg : pb.command()) {
> +            System.out.println("  " + arg);
> +        }
> +
> +        int exitValue = -1;
> +
> +        try {
> +            System.out.println("Launching child VM...");
> +            Process p = pb.start();
> +            System.out.println("Child VM started.");
> +
> +            BufferedReader childOut = new BufferedReader(new InputStreamReader(
> +                    p.getInputStream()));
> +
> +            BufferedReader childErr = new BufferedReader(new InputStreamReader(
> +                    p.getErrorStream()));
> +
> +            String outLine;
> +
> +            while (null != (outLine = childOut.readLine())) {
> +                System.out.println("child-out>   " + outLine);
> +            }
> +
> +            System.out.println("Waiting for child VM process to finish...");
> +
> +            exitValue = p.waitFor();
> +            System.out.println("Child VM finished. Exit value = " + exitValue);
> +        } catch (Throwable exc) {
> +            exc.printStackTrace();
> +        }
> +
> +        assertTrue(exitValue == 0);
> +    }
> +}
> 
> Propchange: harmony/enhanced/drlvm/trunk/src/test/regression/H4706/Test.java
> ------------------------------------------------------------------------------
>     svn:eol-style = native
> 
> Added: harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java
> URL: http://svn.apache.org/viewvc/harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java?rev=578848&view=auto
> ==============================================================================
> --- harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java
(added)
> +++ harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java
Mon Sep 24 08:13:36 2007
> @@ -0,0 +1,52 @@
> +package org.apache.harmony.drlvm.tests.regression.h4706;
> +
> +/**
> + * Checks that interruption of several threads doesn't cause VM crash due to
> + * race condition in thread manager implementation for thread interrupting.
> + * First main thread creates and starts a number of test threads.
> + * Second main thead interrupts all of the test threads.
> + * Each of the test threads waits on the same monitor.
> + */
> +public class ThreadArrayInterrupt {
> +
> +    static final int threadNum = 32;
> +    static Object barrier = new Object();
> +
> +    public static void main(String[] args) {
> +        Thread[] threads = new Thread[threadNum];
> +
> +        synchronized (barrier) {
> +            System.out.println("starting threads...");
> +
> +            for (int i = 0; i < threadNum; i++) {
> +                threads[i] = new TestThread("Thread-" + i);
> +                threads[i].start();
> +            }
> +
> +            System.out.println("all threads started");
> +        }
> +
> +        System.out.println("Interrupting all threads...");
> +
> +        for (int i = 0; i < threadNum; i++) {
> +            threads[i].interrupt();
> +        }
> +    }
> +
> +    static class TestThread extends Thread {
> +
> +        TestThread(String name) {
> +            super(name);
> +        }
> +
> +        public void run() {
> +            synchronized (barrier) {
> +                try {
> +                    barrier.wait();
> +                } catch (InterruptedException e) {
> +                    System.out.println("Interrupted: " + getName());
> +                }
> +            }
> +        }
> +    }
> +}
> 
> Propchange: harmony/enhanced/drlvm/trunk/src/test/regression/H4706/ThreadArrayInterrupt.java
> ------------------------------------------------------------------------------
>     svn:eol-style = native
> 
> 
> 

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