rpn/test/005-test-framework.md

# TEST FRAMEWORK

`default del`

## testing the stack size 1

-> stack size should be 0

## testing the stack size 2

`1`

-> stack size should be 1

`del`

-> stack size should be 0

## testing the stack size 3

`1 2 3 4 5`

-> stack size should be 5

`del`

## testing stack

`1 2 3`

-> stack should be 1, 2, 3

`del`

-> stack should be 

## testing error 1

`del`

-> error should be 0

## testing error 2

`drop`

-> error should be 2