An iOS payment app has 90% line coverage, yet payment failure handling regresses every release. What does that 90% guarantee, and what does it fail to guarantee?
Coverage is only the share of lines the tests executed, so it says nothing about whether an assertion actually verified the result, or whether a scenario like a failed payment exists in the tests at all.
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TestingShort answerIntro
What's the difference between unit tests, integration tests, and UI tests?
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TestingShort answerAdvanced
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TestingMultiple choiceBasics
Which statements about code coverage are correct? Select all that apply.
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