4. Testing

Preview:

DESCRIPTION

4. Testing

Citation preview

Test your assumptions!

What could go wrong?

= what should you test!

Bounds for numbers can be tested

Can we sell more than there is in stock?

How to test?There are two different ways

Conditional formatting

Checks

In software these are called ‘guards’

Guards

But, not all guards are useful ones

Other things to test

Assumptions

Input