class Dependabot::SecurityAdvisory

def check_version_requirements
  unless vulnerable_versions.is_a?(Array) &&
         vulnerable_versions.all? { |i| requirement_class <= i.class }
    raise ArgumentError, "vulnerable_versions must be an array " \
                         "of #{requirement_class} instances"
  end
  unless safe_versions.is_a?(Array) &&
         safe_versions.all? { |i| requirement_class <= i.class }
    raise ArgumentError, "safe_versions must be an array " \
                         "of #{requirement_class} instances"
  end
end