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A smoke test consists of functional or unit tests of critical software functionality. Smoke testing comes before further, in-depth testing.
Smoke testing answers questions like
- "Does the program start up correctly?"
- "Do the main control buttons function?"
- "Can you save a simple blank new test user account?"
If this basic functionality fails, there is no point investing time in more detailed QA work at this stage.
- Smoke testing (software) on Wikipedia