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How would you test a toaster

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  • How would you test a toaster

    We ask for requirements first (expected answer = whatever you think is OK)
    We start with positive testing, not with breaking the toaster (negative testing)

    Functionality Testing
    Start with requirements:
    - works out of 110Volt power line (indicated by green LED light)- 4 levels of heat are available
    - Level 1-5 minutes toasted
    - Level 2-4 minutes toasted
    - Level 3-3 minutes toasted
    - Level 4-1 minutes toasted
    - 2 slots are available
    - Left slot could be used as a standalone slot
    - Right slot could be used as a standalone slot

    Then we do test cases (preferably one test case for one requirement)
    1. 110V supply Plug into 110V plug green LED light is ON
    2. 4 levels of heat Turn and count 4 positions are there
    3. Level 1 heat Set level 1 and toast takes 5 minutes
    4. Level 2 heat Set Level 2 and toast takes 4 minutes
    5.
    6.
    7. 2 slots toasting Toast 2 slices at a time toasted normally
    8. Left slot toasting Toast one slice in a left slot toasted normally
    9. Right slot toasting Toast one slice in a right slot toasted normally



    Then we move to non-functional requirements:
    - Environmental (moisture, temperature, evaporation of chemicals, decoloration, etc.)
    - Transportation (vibration, cargo, packaging)
    - Safety
    - Supporting documentation
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