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From Steve Loughran <>
Subject Re: problem running ant/junit from Eclipse
Date Mon, 16 Jan 2006 10:19:42 GMT
maarten roosendaal wrote:
> Hi,
> I have create a MultiThreadedTestCase based on the one
> descibed in
> It uses an Innerclass that extends TestCaseRunnable
> that implements Runnable.
> When i run the test from Eclipse it works fine. When i
> run the test from an ANT build-file it fails with the
> following message:
> Class
> nl.test.threadsafety.TestDatabaseLocking$CounterThread
> has no public constructor TestCase(String name) or
> TestCase()
> junit.framework.AssertionFailedError: Class
> nl.ictu.spg.test.threadsafety.TestDatabaseLocking$CounterThread
> has no public constructor TestCase(String name) or
> TestCase()
> What could cause this problem when simply running the
> unittest WITHOUT ANT is working fine? I know a
> TestClass should extend the TestCase-class but when
> implementing Runnable you have a problem with the
> run(). But this does not seem to be the problem
> otherwise the problem would occur in both instances.

1. We don't know how eclipse runs its tests. It probably introspects to 
only run everything that extends TestCase

2. I'd look at your pattern of selecting which tests to run. Junit 
appears to have been handed the thread to turn into a test case, which 
obviously fails as it isnt one.

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