How Can I Be Sure The Test Is Right?
How Can I Be Sure The Test Is Right?
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Write the test
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Run it and make sure the new test fails
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Add the new feature / fix the bug
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Run the test and make sure the new test passes.
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Some development systems, such as Aegis, can enforce this
process.
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It's difficult to do this when writing tests for existing code.
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Another reason to test as you go
