Feature/unit test

Unit Tests

Framework

Criterion: https://github.com/Snaipe/Criterion

Criterion installation for Ubuntu (>=21.04)/Debian (>=11)

apt-get install libcriterion-dev

Compile

make all

Execute Tests

For test_common to execute:

./test_common

For test_common to execute and get a tap conform output execute:

./test_common --tap=test.tap