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require "spec_helper"
require "hamster/sorted_set"
describe Hamster::SortedSet do
[:difference, :subtract, :-].each do |method|
describe "##{method}" do
[
[[], [], []],
[["A"], [], ["A"]],
[["A"], ["A"], []],
[%w[A B C], ["B"], %w[A C]],
[%w[A B C], %w[A C], ["B"]],
[%w[A B C D E F], %w[B E F G M X], %w[A C D]]
].each do |a, b, expected|
context "for #{a.inspect} and #{b.inspect}" do
it "returns #{expected.inspect}" do
SS[*a].send(method, SS[*b]).should eql(SS[*expected])
end
end
end
end
end
end
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