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require "spec_helper"
require "hamster/set"
describe Hamster::Set do
describe "#intersect?" do
[
[[], [], false],
[["A"], [], false],
[[], ["A"], false],
[["A"], ["A"], true],
[%w[A B C], ["B"], true],
[["B"], %w[A B C], true],
[%w[A B C], %w[D E], false],
[%w[F G H I], %w[A B C], false],
[%w[A B C], %w[A B C], true],
[%w[A B C], %w[A B C D], true],
[%w[D E F G], %w[A B C], false],
].each do |a, b, expected|
describe "for #{a.inspect} and #{b.inspect}" do
it "returns #{expected}" do
S[*a].intersect?(S[*b]).should be(expected)
end
end
end
end
end
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