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
|
require 'spec_helper'
describe Immutable::Vector do
[:+, :concat].each do |method|
describe "##{method}" do
let(:vector) { V.new(1..100) }
it 'preserves the original' do
vector.concat([1,2,3])
vector.should eql(V.new(1..100))
end
it 'appends the elements in the other enumerable' do
vector.concat([1,2,3]).should eql(V.new((1..100).to_a + [1,2,3]))
vector.concat(1..1000).should eql(V.new((1..100).to_a + (1..1000).to_a))
vector.concat(1..200).size.should == 300
vector.concat(vector).should eql(V.new((1..100).to_a * 2))
vector.concat(V.empty).should eql(vector)
V.empty.concat(vector).should eql(vector)
end
[1, 31, 32, 33, 1023, 1024, 1025].each do |size|
context "on a #{size}-item vector" do
it 'works the same' do
vector = V.new(1..size)
result = vector.concat((size+1)..size+10)
result.size.should == size + 10
result.should eql(V.new(1..(size+10)))
end
end
end
end
end
end
|
