1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
require "spec_helper"
require "hamster/deque"
describe Hamster::Deque do
[:dequeue, :shift].each do |method|
describe "##{method}" do
[
[[], []],
[["A"], []],
[%w[A B C], %w[B C]],
].each do |values, expected|
context "on #{values.inspect}" do
let(:deque) { D[*values] }
it "preserves the original" do
deque.send(method)
deque.should eql(D[*values])
end
it "returns #{expected.inspect}" do
deque.send(method).should eql(D[*expected])
end
end
end
end
context "on empty subclass" do
let(:subclass) { Class.new(Hamster::Deque) }
let(:empty_instance) { subclass.new }
it "returns emtpy object of same class" do
empty_instance.send(method).class.should be subclass
end
end
end
end
|
