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
|
require 'spec_helper'
describe Immutable::Vector do
describe '#reverse_each' do
[2, 31, 32, 33, 1000, 1024, 1025, 2000].each do |size|
context "on a #{size}-item vector" do
let(:vector) { V[1..size] }
context 'with a block (internal iteration)' do
it 'returns self' do
vector.reverse_each {}.should be(vector)
end
it 'yields all items in the opposite order as #each' do
result = []
vector.reverse_each { |item| result << item }
result.should eql(vector.to_a.reverse)
end
end
context 'with no block' do
it 'returns an Enumerator' do
result = vector.reverse_each
result.class.should be(Enumerator)
result.to_a.should eql(vector.to_a.reverse)
end
end
end
end
end
end
|
