1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/intersection'
describe "Array#&" do
it_behaves_like :array_intersection, :&
end
describe "Array#intersection" do
it_behaves_like :array_intersection, :intersection
it "accepts multiple arguments" do
[1, 2, 3, 4].intersection([1, 2, 3], [2, 3, 4]).should == [2, 3]
end
it "preserves elements order from original array" do
[1, 2, 3, 4].intersection([3, 2, 1]).should == [1, 2, 3]
end
end
|
