package org.apidesign.effectivelist

 import org.junit._

 import Assert._

 // BEGIN: effectivelist.point

 class Point(val x: Int, val y : Int);

 // END: effectivelist.point

 class ListMixinTest {

   // BEGIN: effectivelist.convert

   class ListablePoint(x: Int, y: Int)

   extends Point(x,y) with Listable[ListablePoint] {

     def this(r : Point) = this(r.x, r.y)

   }

   implicit def toList(p : Point) : ListablePoint = new ListablePoint(p)

   @Test def useThePlainOldPointInList : Unit = {

     val list = new List[ListablePoint]

     list.add(new Point(10, 20))

     assertEquals("One element", 1, list.size)

     assertEquals("X is 10", 10, list.get(0).x)

     assertEquals("y is 20", 20, list.get(0).y)

   }

   // END: effectivelist.convert

 }