lawblog-spottest.scala

"Evaluation Monoid" should {

    import EvaluationMonoid._
    implicit val eq = Equal.equalA[Evaluation]
    val testEvaluation = Evaluation(3, 2)

    "obey Monoid typeclass Law" in {
        Monoid.monoidLaw.leftIdentity(testEval) should be (true)
        Monoid.monoidLaw.rightIdentity(testEval) should be (true)
    }
}