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http://jira.codehaus.org/browse/JMOCK-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=167062#action_167062 ]
Douglas Squirrel commented on JMOCK-214:
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I just noticed JMock-213 which says JMock should be threadsafe. Obviously this would be preferable - I assumed thread safety was not possible (it sounds hard!)
> Fail fast when run concurrently
> -------------------------------
>
> Key: JMOCK-214
> URL:
http://jira.codehaus.org/browse/JMOCK-214> Project: jMock
> Issue Type: Improvement
> Components: Library
> Environment: any
> Reporter: Douglas Squirrel
>
> Steve F suggested I file this enhancement when we saw this behaviour at youDevise.
> When you build a test that executes in multiple threads, and it calls methods on a mocked object, you can get odd behaviour. For instance, our exactly(N).of expectation failed no matter how we set N or how many threads actually called the method (including N).
> This is by design, but it would help newcomers to JMock who don't know this if they got a clear failure instead of odd behaviour (as you do with ConcurrentModificationException for non-threadsafe collections). For instance, JMock could record the thread id on construction of the Mockery and then check the thread ID is the same on future invocations. (Not sure what performance effect this would have though.)
> Happy to try writing a unit test though I'm not sure if you want to start running multiple threads in your test suite.
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