Four lines, one comparison, two possible answers. It is the smallest piece of real code in the corpus, which makes it the right place to see what a suite is and is not claiming — there is nowhere for a gap to hide behind complexity.
The module under test
| 1 | export function label(count) { | ||
| 2 | if (count > 1) { | ||
| 3 | return "many"; | ||
| 4 | } | ||
| 5 | return "one"; | ||
| 6 | } | ||
| 7 |
Your tests
Mutants
0%
Mutation score
- Survived
- 0
- Killed
- 0 / 0
- Line coverage
- —
- Tests
- 0
- Assertion width
- —
- Cycle
- —
survivedkilledtimed outequivalentnot run