test case: meaning, definition, pronunciation and examples
B2Formal, Technical
Quick answer
What does “test case” mean?
A specific instance or example used to test whether a system, principle, or rule functions correctly.
Audio
Pronunciation
Definition
Meaning and Definition
A specific instance or example used to test whether a system, principle, or rule functions correctly.
A particular situation or scenario that serves as a model for evaluating broader applicability, validity, or effectiveness; often used metaphorically in legal, social, or ethical contexts.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling may vary: UK English slightly more likely to hyphenate ('test-case') when used adjectivally, while US English often keeps it as an open compound ('test case').
Connotations
Identical in both varieties.
Frequency
Equally common in both technical and formal registers in the UK and US.
Grammar
How to Use “test case” in a Sentence
[verb] + test case (run, create, serve as)test case + [preposition] + (for, of)[determiner] + test case (a, the, this, that)Vocabulary
Collocations
Examples
Examples of “test case” in a Sentence
verb
British English
- The developers will test-case the new module thoroughly.
- We need to test-case this scenario before deployment.
American English
- The team needs to test-case the software update.
- They are test-casing the user interface flow.
adjective
British English
- We wrote a test-case document for the audit.
- The test-case requirements were clearly defined.
American English
- Follow the test-case procedure in the manual.
- We reviewed the test-case data yesterday.
Usage
Meaning in Context
Business
In product development: 'We need a strong test case before the new feature is approved.'
Academic
In research methodology: 'The initial experiment served as a test case for the broader hypothesis.'
Everyday
Informally, for trying something new: 'Hosting a small dinner party was a test case for the larger wedding reception.'
Technical
In software engineering: 'Each bug fix must be verified with an automated test case.'
Watch out
Common Mistakes When Using “test case”
- Using 'test case' as a verb (incorrect: 'Let's test case this feature' – correct: 'Let's create a test case for this feature').
- Confusing with 'case study' (which is a detailed analysis, not necessarily for testing).
FAQ
Frequently Asked Questions
It is most commonly written as two words ('test case'). It is sometimes hyphenated ('test-case') when used directly before a noun as a compound modifier (e.g., 'a test-case scenario'), but the open form is also acceptable.
A 'use case' describes how a user interacts with a system to achieve a goal. A 'test case' is a specific set of conditions and inputs used to verify that the system behaves correctly for a particular aspect of a use case or requirement.
Yes. While it originated in law and science, it is now used broadly. For example, a new government policy might first be applied in one town as a 'test case' before national rollout.
Yes, the plural form is 'test cases' (e.g., 'The suite contains over 500 test cases').
A specific instance or example used to test whether a system, principle, or rule functions correctly.
Test case is usually formal, technical in register.
Test case: in British English it is pronounced /ˈtɛst ˌkeɪs/, and in American English it is pronounced /ˈtɛst ˌkeɪs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “to make a test case of something”
- “to become a test case for”
Learning
Memory Aids
Mnemonic
Think of a CASE being put to the TEST. A lawyer presents a specific legal CASE to TEST a new law. A programmer writes a specific CASE of input to TEST software.
Conceptual Metaphor
A REPRESENTATIVE SAMPLE (This specific instance stands for the whole class of problems). A PROVING GROUND (A controlled scenario where validity is proven).
Practice
Quiz
In which context is 'test case' LEAST likely to be used appropriately?