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Practice
Calculate an independent expectation
Before testing a mean function with [6, 9, 12], what expected result should the test record?
Test evidence matrix
Coverage quality comes from distinct contract cases
- Normal
- 1+ Representative allowed behavior
- Boundary
- 2+ Exact and neighboring values
- Invalid
- 1+ Defined rejection behavior
- Regression
- Every fix Previously failing evidence
Planned cases with independent expectations100%
A planned set includes normal behavior, both sides of important boundaries, invalid states, and the exact cases that exposed earlier defects.