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15 lines
538 B
Ruby
15 lines
538 B
Ruby
describe :set_intersection, shared: true do
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before :each do
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@set = Set[:a, :b, :c]
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end
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it "returns a new Set containing only elements shared by self and the passed Enumerable" do
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@set.send(@method, Set[:b, :c, :d, :e]).should == Set[:b, :c]
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@set.send(@method, [:b, :c, :d]).should == Set[:b, :c]
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end
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it "raises an ArgumentError when passed a non-Enumerable" do
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-> { @set.send(@method, 1) }.should raise_error(ArgumentError)
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-> { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
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end
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end
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