ar: reflections inheritance more complex test case

inheritance_complex.rb

require 'active_record'

class ReferencedModelA < ActiveRecord::Base; end
class ReferencedModelB < ActiveRecord::Base; end
class ReferencedModelC < ActiveRecord::Base; end

class ModelA < ActiveRecord::Base
  has_many :referenced_model_a
end

class SubModelA < ModelA
  has_many :referenced_model_b
end

p SubModelA.reflections.keys # [:referenced_model_a, :referenced_model_b]

ModelA.has_many :referenced_model_c

p ModelA.reflections.keys # [:referenced_model_a, :referenced_model_c] 
p SubModelA.reflections.keys # [:referenced_model_a, :referenced_model_b]

# OUTPUT

[:referenced_model_a, :referenced_model_b]
[:referenced_model_a, :referenced_model_c]
[:referenced_model_a, :referenced_model_b]