Strategies for properties: metamorphic properties

Course: Advanced Property-Based Testing with test.check

Updated October 22, 2019

Description

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Sometimes you need to test something that doesn't have a right answer. Metamorphic properties let you test a system against itself. If you modify the input, you should see a modification of the output.

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Testing parallel systems

Parallel systems sharing state introduce the possibility of race conditions. Property-based testing can suss out race conditions in our code. In this lesson, we see the techniques used to do that.