use Test::More tests => 4;
BEGIN {use_ok('Mytest')}

is( Mytest::is_even(0), 1, 'is_even says 0 is even' );
is( Mytest::is_even(1), 0, 'is_even says 1 is not even' );
is( Mytest::is_even(2), 1, 'is_even says 2 is even' );