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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/intersection'
describe "Array#&" do
it_behaves_like :array_intersection, :&
end
ruby_version_is "2.7" do
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
end
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