4 assert("Enumerable#drop") do
7 assert_equal a.drop(3), [4, 5, 0]
8 assert_equal a.drop(6), []
11 assert("Enumerable#drop_while") do
12 a = [1, 2, 3, 4, 5, 0]
13 assert_equal a.drop_while {|i| i < 3 }, [3, 4, 5, 0]
16 assert("Enumerable#take") do
17 a = [1, 2, 3, 4, 5, 0]
18 assert_equal a.take(3), [1, 2, 3]
21 assert("Enumerable#take_while") do
22 a = [1, 2, 3, 4, 5, 0]
23 assert_equal a.take_while {|i| i < 3 }, [1, 2]