first test case
test case 2 red
test case 2 green
test case 3 red
test case 3 green
test case 4
test case 4 red
test case 5 green
test case 6 red
test case 6 green
refactor
test case raise exception red
pass test raise exception
add test message exception
add test ignore more than 1000
pass test
add test delimiter any length
pass test
add test multiple delimiter
add final test multiple delimiter any length