File: head_spec.rb

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ruby-immutable-ruby 0.1.0-2
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require 'spec_helper'

describe Immutable::List do
  [:head, :first].each do |method|
    describe "##{method}" do
      [
        [[], nil],
        [['A'], 'A'],
        [%w[A B C], 'A'],
      ].each do |values, expected|
        context "on #{values.inspect}" do
          it "returns #{expected.inspect}" do
            L[*values].send(method).should == expected
          end
        end
      end
    end
  end
end