How to assert the type of an object, in specs2

assertions, scala, specs2, types

Solution

there is a `haveClass` matcher:

class FooSpec extends Specification {
  trait P
  class C1 extends P
  class C2 extends P

  def test(n:Int): P = if(n%2==0) new C1 else new C2

  "test" should {
    "return C1 when n is even" in {
      val result = test(2)
      result must haveClass[C1]
    }
  }
}

Problem

In a specs2 test, how to validate the type of the return value of a function? Say, the function: ``` trait P trait C1 extends P trait C2 extends P def test(n:Int): P = if(n%2==0) new C1 else new C2 ``` Test: ``` "test" should { "return C1 when n is even" in { val result = test(2) // how to assert // 'result' should have type of C1? } } ``` I want to know how to assert the type of value `result`?

Original source