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=== Property-based Testing === In addition to traditional unit tests, Elixir also supports property-based testing through libraries like `ExCheck`. Property-based testing allows you to specify properties that should hold true for a range of inputs, automatically generating test cases to verify the properties. With `ExCheck`, you can define properties using generators and combinators to model the desired behavior of your code. The library then generates random inputs, running tests to ensure the properties hold true. Here is an example of property-based testing using `ExCheck`: ```elixir defmodule MyTest do use ExUnitProperties property "addition is commutative" do check all a <- integer, all b <- integer do assert a + b == b + a end end end ```
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