test coverage

noun

UK /ˈtest ˌkʌv.ər.ɪdʒ/

US /ˈtest ˌkʌv.ɚ.ɪdʒ/

Test coverage is how much of a program's code gets checked by tests.

The team improved test coverage by writing tests for the new login feature.

SYNONYMS

code coverage test completeness coverage metric testing scope

RELATED WORDS

unit test integration test codebase quality assurance regression test

OTHER MEANINGS

2. The percentage of requirements or features that have been verified by testing.

Requirement test coverage reached 95% before the release.

3. The extent to which different paths or branches in a program are exercised by tests.

Branch test coverage revealed several untested error-handling paths.

4. A measure used to judge how thoroughly a system has been tested.

Managers use test coverage as one signal of software quality.