predicate_example.rb

class BddFramework
  def intuitive?
    true
  end

  def adopted_quickly?
    #this will cause failures because it reallly SHOULD be adopted quickly
    false
  end
end

describe "BDD framework" do

  before(:each) do
    @bdd_framework = BddFramework.new
  end

  it "should be adopted quickly" do
    #this will fail because it reallly SHOULD be adopted quickly
    @bdd_framework.should be_adopted_quickly
  end

  it "should be intuitive" do
    @bdd_framework.should be_intuitive
  end

  it "should not respond to test" do
    #this will fail
    @bdd_framework.test
  end

end