How Do You Know You are Executing the Right Tests? This video shows a few tools in Hexawise that help answer this question and share the reasoning behind prioritization decisions in software testing (coverage chart, coverage matrix).
The Hexawise coverage matrix displays pairwise coverage as each test is run in the test plan. The Hexawise created test plans also put the tests in order that provides the most coverage as quickly as possible (so if you have to release before you finish the test plan you have achieved as much coverage as possible with the tests you managed to execute).
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Justin Hunter’s presentation at the 12th annual international software testing conference in Bangalore, India, December 2012.
The techniques discussed focus on how to reduce the amount of time spent selecting and documenting test scripts, reduce the amount of tests needed for execution by creating unusually powerful tests and thus increase the thoroughness of software test suites.
The talk explored the significant risks, for users, companies and employees of failing to catch software application failures before release (for example, looking at releasing Apple Maps with significant failures). And discussed how combinatorial (also orthogonal array or pairwise) software testing can be used to create test plans that test a large number of parameters/factors quickly.
The slides from the presentation: