sbt/launch/src/test/scala/ListMapTest.scala

39 lines
1.4 KiB
Scala

package xsbt.boot
import org.scalacheck._
object ListMapProperties extends Properties("ListMap")
{
implicit val genListMap = Arbitrary ( for(list <- Arbitrary.arbitrary[List[(Int,Int)]]) yield ListMap(list : _*) )
property("ListMap from List contains all members of that List") = Prop.forAll { (list: List[(Int,Int)]) =>
val map = ListMap(list : _*)
list forall { entry => map contains entry._1 }
}
property("contains added entry") = Prop.forAll { (map: ListMap[Int,Int], key: Int, value: Int) =>
{ (map + (key, value) ) contains(key) } &&
{ (map + (key, value) )(key) == value } &&
{ (map + (key, value) ).get(key) == Some(value) }
}
property("remove") = Prop.forAll { (map: ListMap[Int,Int], key: Int) =>
{ Prop.throws((map - key)(key), classOf[Exception]) } &&
{ !(map - key).contains(key) } &&
{ (map - key).get(key).isEmpty }
}
property("empty") = Prop.forAll { (key: Int) =>
{ Prop.throws(ListMap.empty(key), classOf[Exception]) }
{ !ListMap.empty.contains(key) } &&
{ ListMap.empty.get(key).isEmpty }
}
}
object ListMapEmpty extends Properties("ListMap.empty")
{
import ListMap.empty
property("isEmpty") = empty.isEmpty
property("toList.isEmpty") = empty.toList.isEmpty
property("toSeq.isEmpty") = empty.toSeq.isEmpty
property("toStream.isEmpty") = empty.toStream.isEmpty
property("keys.isEmpty") = empty.keys.isEmpty
property("elements.isEmpty") = !empty.elements.hasNext
}