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require_relative '../../spec_helper'
require_relative '../../fixtures/enumerator/classes'
describe :enum_cons, shared: true do
it "returns an enumerator of the receiver with iteration of each_cons for each array of n concecutive elements" do
a = []
enum = EnumSpecs::Numerous.new.enum_cons(3)
enum.each {|x| a << x}
enum.should be_an_instance_of(Enumerator)
a.should == [[2, 5, 3], [5, 3, 6], [3, 6, 1], [6, 1, 4]]
end
end
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