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by inetknght
2906 days ago
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Said with less vitriol: It's not just code coverage that matters. It's the code path selection that matters. If you have a ton of branches and you've evaluated all of them once then yeah you sure might have 100% "coverage". But you have 0% path selection coverage since a single invokation of your API might choose true branch on one statement, false branch on another statement, and a second invokation might choose false branch on the first and true on the second. While the code was 100% tested, the scenarios were not. What happens if you have true/true or false/false? That's not tested. There's a term for this but I forgot what it is and don't care to go spelunking to find it. |
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sqlite calls this "branch coverage"
https://www.sqlite.org/testing.html#statement_versus_branch_...