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19 lines
508 B
Ruby
19 lines
508 B
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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require_relative 'shared/intersection'
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describe "Array#&" do
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it_behaves_like :array_intersection, :&
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end
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describe "Array#intersection" do
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it_behaves_like :array_intersection, :intersection
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it "accepts multiple arguments" do
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[1, 2, 3, 4].intersection([1, 2, 3], [2, 3, 4]).should == [2, 3]
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end
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it "preserves elements order from original array" do
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[1, 2, 3, 4].intersection([3, 2, 1]).should == [1, 2, 3]
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end
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end
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