File: empty_spec.rb

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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)

describe "Hash#empty?" do
  it "returns true if the hash has no entries" do
    {}.empty?.should == true
    { 1 => 1 }.empty?.should == false
  end

  it "returns true if the hash has no entries and has a default value" do
    Hash.new(5).empty?.should == true
    Hash.new { 5 }.empty?.should == true
    Hash.new { |hsh, k| hsh[k] = k }.empty?.should == true
  end
end