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