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
|
require 'spec_helper'
describe Immutable::List do
describe '#add' do
[
[[], 'A', ['A']],
[['A'], 'B', %w[B A]],
[['A'], 'A', %w[A A]],
[%w[A B C], 'D', %w[D A B C]],
].each do |values, new_value, expected|
context "on #{values.inspect} with #{new_value.inspect}" do
let(:list) { L[*values] }
it 'preserves the original' do
list.add(new_value)
list.should eql(L[*values])
end
it "returns #{expected.inspect}" do
list.add(new_value).should eql(L[*expected])
end
end
end
end
end
|
