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| 26 |
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| 27 | <h3>EventListeners (NUnit 2.4.4)</h3>
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| 28 |
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| 29 | <h4>Purpose</h4>
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| 30 | <p>EventListeners are able to respond to events that occur in the course
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| 31 | of a test run, usually by recording information of some kind. Note that
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| 32 | EventListeners called asynchronously with respect to test execution and
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| 33 | are not able to affect the actual execution of the test.
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| 34 |
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| 35 | <h4>Extension Point</h4>
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| 36 | <p>Addins use the host to access this extension point by name:
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| 37 |
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| 38 | <pre>
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| 39 | IExtensionPoint listeners = host.GetExtensionPoint( "EventListeners" );</pre>
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| 40 |
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| 41 | <h4>Interface</h4>
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| 42 | <p>The extension object passed to Install must implement the EventListener interface:
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| 43 |
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| 44 | <pre>
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| 45 | public interface EventListener
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| 46 | {
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| 47 | void RunStarted( string name, int testCount );
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| 48 | void RunFinished( TestResult result );
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| 49 | void RunFinished( Exception exception );
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| 50 | void TestStarted(TestName testName);
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| 51 | void TestFinished(TestResult result);
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| 52 | void SuiteStarted(TestName testName);
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| 53 | void SuiteFinished(TestResult result);
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| 54 | void UnhandledException( Exception exception );
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| 55 | void TestOutput(TestOutput testOutput);
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| 56 | }
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| 57 | </pre>
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| 58 |
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| 59 | <p>You must provide all the methods, but the body may be empty for any
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| 60 | that you have no need of.
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