def test_given_cases():
assert hp.optimal_time(open('input000.txt').read()) == \
float(open('output000.txt').read()), "test-case 0 failed"
assert hp.optimal_time(open('input001.txt').read()) == \
float(open('output001.txt').read()), "test-case 1 failed"
def test_bad_lines():
assert hp.optimal_time(open('crap_input.txt').read()) == \
float(open('output000.txt').read()), "crap test-case 0 failed"
