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Automated Test Case Generation for the Stress Testing of Multimedia Systems

Automated Test Case Generation for the Stress Testing of Multimedia Systems. By Jian Zhang and S.C. Cheung Presentation By Wytt Lusanandana. Multimedia Systems. Multimedia systems is growing rapidly Multimedia consist of media objects, such as audios, videos, images, and texts.

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Automated Test Case Generation for the Stress Testing of Multimedia Systems

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  1. Automated Test Case Generation for the Stress Testing of Multimedia Systems By Jian Zhang and S.C. Cheung Presentation By Wytt Lusanandana

  2. Multimedia Systems • Multimedia systems is growing rapidly • Multimedia consist of media objects, such as audios, videos, images, and texts. • Media servers must deliver data in form of continuously running streams • Media clients receives, decode, and resynchronize the data streams.

  3. Common Temporal Operators

  4. Example Faults of Temporal Requirements

  5. Test System Architecture • The test case generator, which generates and selects test cases based on the specification of the multimedia system • The test setup, which includes the tester and the implementation-under-test; The tester executes the test cases and monitors the IUT responses • An oracle, which compares the output of the IUT with the expected responses, and provides the verdict (pass or fail)

  6. Test System Architecture Diagram

  7. Reachability Analysis • Example P={Init, Demo, Full, Quit} • Reachability graphs are very useful for analyzing the dynamic behavior • Reachability analysis is critical to stress testing

  8. Identifying Scenarios of Resource Saturation • To maximize the peak usage of resources, we consider the resource types CPU, memory, network bandwidth, and display buffers

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