teenager.rb

#Write a method called is_a_teenager that takes age as a parameter and returns
#true/false depending on whether the age indicates that the person is a 
#teenager

#To test your solution run `rspec teenager_spec.rb` in your terminal

def is_a_teenager? age
	age <= 19 && age >= 13
end

teenager_solution.rb

#Write a method called is_a_teenager that takes age as a parameter and returns
#true/false depending on whether the age indicates that the person is a 
#teenager

def is_a_teenager? age
  age > 12 && age < 20
end

teenager_spec.rb

require './teenager'

describe "#is_a_teenager?" do
  it "returns false if the person is younger than 13" do
    is_a_teenager?(12).should eq(false)
  end

  it "returns false if the person is older than 19" do
    is_a_teenager?(20).should eq(false)
  end

  it "returns true if the person is between the ages of 13 and 19" do
    is_a_teenager?(15).should eq(true)
  end
end