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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/union'
describe "Array#|" do
it_behaves_like :array_binary_union, :|
end
describe "Array#union" do
it_behaves_like :array_binary_union, :union
it "returns unique elements when given no argument" do
x = [1, 2, 3, 2]
x.union.should == [1, 2, 3]
end
it "does not return subclass instances for Array subclasses" do
ArraySpecs::MyArray[1, 2, 3].union.should be_an_instance_of(Array)
end
it "accepts multiple arguments" do
x = [1, 2, 3]
x.union(x, x, x, x, [3, 4], x).should == [1, 2, 3, 4]
end
end
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