KwickClips Course Topics · 44 sec · free
Are extreme values accepted?
Short answer. Yes. They are at the ends of the range.
What does boundary data check?
Both sides of a limit.
Four types
| Type | Example |
|---|---|
| Normal | 45 |
| Abnormal | -5, abc |
| Extreme | 0, 100 |
| Boundary | 100 and 101 |
Remember
| Extreme: at the ends, accepted |
| Boundary: both sides of a limit |
Marks zero to one hundred. Which values test it? Four types. Normal is accepted. Abnormal is rejected. Extreme is zero and one hundred. Boundary tests both sides. Remember. Extreme values pass. Boundary checks both sides.
This clip is from the full lesson: Test data: normal, abnormal, extreme, boundary — 5 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Cambridge IGCSE Grade 10 Computer Science (0478)
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