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describe :sorted_set_union, shared: true do
before :each do
@set = SortedSet["a", "b", "c"]
end
it "returns a new SortedSet containing all elements of self and the passed Enumerable" do
@set.send(@method, SortedSet["b", "d", "e"]).should == SortedSet["a", "b", "c", "d", "e"]
@set.send(@method, ["b", "e"]).should == SortedSet["a", "b", "c", "e"]
end
it "raises an ArgumentError when passed a non-Enumerable" do
lambda { @set.send(@method, 1) }.should raise_error(ArgumentError)
lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
end
end
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