Code Coverage vs Test Coverage

When organizations mandate “code coverage” numbers, like 95%, they’re barking up the wrong tree. Just because a line of code has been touched during testing, doesn’t mean it’s been tested; you’re only fooling yourself.¬†Every time I tell someone the last product I created had 93% test coverage, they say “wow, that’s great!”. Then my follow up statement is “Yeah, it sounds great, but bugs still crept¬†into covered areas”.

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