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19 lines
547 B
Ruby
19 lines
547 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require 'set'
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describe "Set#^" do
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before :each do
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@set = Set[1, 2, 3, 4]
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end
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it "returns a new Set containing elements that are not in both self and the passed Enumberable" do
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(@set ^ Set[3, 4, 5]).should == Set[1, 2, 5]
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(@set ^ [3, 4, 5]).should == Set[1, 2, 5]
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end
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it "raises an ArgumentError when passed a non-Enumerable" do
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lambda { @set ^ 3 }.should raise_error(ArgumentError)
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lambda { @set ^ Object.new }.should raise_error(ArgumentError)
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end
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end
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