Akka/Scala example source code file (AkkaExceptionSpec.scala)

This example Akka source code file (AkkaExceptionSpec.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Akka and Scala source code examples by using tags.

All credit for the original source code belongs to akka.io; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Akka tags/keywords

actor, akka, akkaexception, akkaexceptionspec, matchers, wordspec

The AkkaExceptionSpec.scala Akka example source code

package akka;

import akka.actor._
import org.scalatest.Matchers
import org.scalatest.WordSpec;

/**
 * A spec that verified that the AkkaException has at least a single argument constructor of type String.
 *
 * This is required to make Akka Exceptions be friends with serialization/deserialization.
 */
class AkkaExceptionSpec extends WordSpec with Matchers {

  "AkkaException" must {
    "have a AkkaException(String msg) constructor to be serialization friendly" in {
      //if the call to this method completes, we know what there is at least a single constructor which has
      //the expected argument type.
      verify(classOf[AkkaException])

      //lets also try it for the exception that triggered this bug to be discovered.
      verify(classOf[ActorKilledException])
    }
  }

  def verify(clazz: java.lang.Class[_]) {
    clazz.getConstructor(Array(classOf[String]): _*)
  }
}