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object Test extends App {
def testList = {
val list = new java.util.ArrayList[Int]
list.add(1)
list.add(2)
list.add(3)
import scala.collection.JavaConverters._
val next = list.asScala ++ List(4,5,6)
assert(next != list.asScala)
val raw = list.asScala
val cloned = raw.clone
list.add(1)
assert(raw != cloned)
}
def testSet = {
val set = new java.util.HashSet[Int]
set.add(1)
set.add(2)
set.add(3)
import scala.collection.JavaConverters._
val next = set.asScala ++ Set(4,5,6)
assert(next != set.asScala)
val raw = set.asScala
val cloned = raw.clone
set.add(4)
assert(raw != cloned)
}
def testMap = {
val map = new java.util.HashMap[Int,Int]
map.put(1,1)
map.put(2,2)
map.put(3,3)
import scala.collection.JavaConverters._
val next = map.asScala ++ Map(4->4,5->5,6->6)
assert(next != map.asScala)
val raw = map.asScala
val cloned = raw.clone
map.put(4,4)
assert(raw != cloned)
}
def testCollection = {
val list: java.util.Collection[Int] = new java.util.ArrayDeque[Int]
list.add(1)
list.add(2)
list.add(3)
import scala.collection.JavaConverters._
val next = list.asScala ++ List(4,5,6)
assert(next != list.asScala)
// Note: Clone is hidden at this level, so no overriden cloning.
}
testList
testSet
testMap
testCollection
}
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