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Clay Lenhart <[EMAIL PROTECTED]> writes:
<snip>
> On another note... I submitted several patches to fix multithreading issues
> and I would like to make some JUnit tests, but I do not see how. Can anyone
> suggest a way to test a multithreaded bug?
Could you describe the bug?
It it is a timing bug you could use wait() in the right place in order to
magnify the incorrect timing interval.
> For example, Trace.java has a static variable called iStop. If there are
> multiple databases running, then Database.execute() will allow 1 thread per
> Database to pass through, so you could have multiple threads in Database.java
> and also Trace.java. If the two threads hit "iStop++;" at the same time, then
> there could be a problem. How do you create a test to detect something like
> this?
Is the pass designed in order to synchronize around iStop?
> I am for having a single threaded core for this reason. It is difficult to
> write JUnit tests for multithreaded applications. With a single threaded core
> and JUnit, we can submit patches that have fewer bugs and hsqldb will be
> higher quality. -Clay
<snip>
Yes... threads are rough :)
Kevin
- --
Kevin A. Burton ( [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] )
Location - San Francisco, CA, Cell - 415.595.9965
Jabber - [EMAIL PROTECTED], Web - http://relativity.yi.org/
The unconstitutional government, for the corporation, by the corporation, must be
overthrown!
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