Device Driver Testing for Windows OS

Situation

• A leading Application Performance company having a suite of WAN optimization products for environments such as Mobiles, Corporate Networks, Data Centers and Cloud setups
• The company has extensive focus on testing all the products for conformance with Microsoft Windows OS standards

Challenge

• Company wants their client and gateway products to be scalable across different Windows environments
• Facilitate easy distribution through Windows Update system and obtain a wider error coverage report

Harbinger Solution

• Device drivers of client and gateway products are tested for compliance with Windows XP, Windows 
  7 and Windows Server 2008 OS; Gaps in compliance are analyzed and fixed
• A test environment is setup and a series of automated tests are conducted
• A successful test execution indicates complete compatibility of the device driver with the OS version
• For the aborted test execution, the dump files generated from the test crash are analyzed to determine the issue
• Issues along with possible fixes are communicated to the customer and tests are re-executed until all the tests are completed successfully

Technologies & Tools

• Driver Test Manager (DTM) from Windows Logo Kit 1.5
• Windows Debugger (WinDbg)
• 1394 adapters and cables
• Intel Quad core machines

Benefits

• Customer could make their products compatible with Windows Operating Systems and this helped them obtain the Windows Logo Certification
• Customer could effectively increase the reach of their products to a wide range of enterprises using various Windows environments