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AP Computer Science 4.5 Program Development 4 Views
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Description:
AP Computer Science 4.5 Program Development. What would be the best set of inputs to make sure the following code functions as expected?
Transcript
- 00:00
We speak student! And here's your Shmoop dou jour, brought to you by, the student who
- 00:07
had an open perspective. He was a dilated pupil. Alright what would be the best set of inputs, [man meditating in a forest]
- 00:13
to make sure the following code functions, as expected. [mumbling]
- 00:17
Alright well here are your potential answers. Okay, well here we go. We must [equations and multiple choice answers]
- 00:28
build a set here, that adequately test each range of numbers. I'll fully test a
Full Transcript
- 00:33
certain range, we must in put the lower limit and the upper limit. Well first of
- 00:39
all we gotta start with zero. It's a number that should always be included in [someone making the ok sign with their hand]
- 00:42
test inputs, because of its unique property's. Next we need to test whether
- 00:47
the lower than, C, case works. So we should put in a number less than 70, 69 should
- 00:53
work. All right now we can test the C case. We have to put in the lower and
- 00:57
upper limits 70 and 79. The next test case is the, B range, with lower and upper [equations on chalkboard]
- 01:04
limits being, 80 and 91. And finally we can test the A range case, so we should put
- 01:10
in 92. And just like we put in a number below the lowest case, we should put in a
- 01:15
number higher than the highest case. Well anything above 92 should work. Say a
- 01:20
hundred and ten and we've built the following set, which leaves us with B.
- 01:24
Well don't worry you can only shoot for an A next time. [man in classroom crying]
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