Testing concurrent java programs - Sameer Arora

Testing concurrent java programs - Sameer Arora

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  Testing Concurrent Javaprograms Sameer Arora Xebia IT Architects. 1
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  AGENDA  What makes Concurrent programs hard to test.  How concurrent application's design drives testability.  Testing asynchronous code - demo.  Testing Blocking operations and Resource Management - demo.  Testing Thread Safety - demo.  Complementary testing approaches.  Questions & Feedback 2
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  What makes concurrencyhard to test Tests for Concurrent Programs are themselves concurrent programs. Failures are rare and probabilistic in nature. Execution is Platform Dependent. 3
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  Design and Testability Encapsulatingconcurrent interactions . Thread Delegation. Effectively Immutability. Figuring Single Thread Confinement. Composition. 4
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  Testing Asynchronous MethodCalls Asynchronous Job Signal Demo 5
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  Testing for ResourceManagement 6
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  Bounded Job Queue Testfor Blocking Operations - Demo 7
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  Testing for ThreadSafety Bounded Job Queue Thread Interleaving Test 8
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  Complementary Testing Approaches  Injecting Callbacks.  Static code Analysis Tools.  Code Review.  Profilers and Monitoring tools.  Frameworks for Multi-threaded Testing.  ConcJunit  Awaitility  MultiThreadedTC 9
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  Questions Questions/Comments/Feedback 10
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  Thank you 11