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import scala.collection.mutable.DoubleLinkedList
object Test {
def main(args: Array[String]): Unit = {
cloneAndtest(DoubleLinkedList[Int]())
cloneAndtest(DoubleLinkedList[Int](1))
cloneAndtest(DoubleLinkedList[Int](1,2,3,4))
}
def cloneAndtest(l: DoubleLinkedList[Int]): Unit =
testSame(l, l.clone.asInstanceOf[DoubleLinkedList[Int]])
def testSame(one: DoubleLinkedList[Int], two: DoubleLinkedList[Int]): Unit = {
def msg = s" for ${one} and ${two} !"
assert(one.size == two.size, s"Cloned sizes are not the same $msg!")
assert(one == two, s"Cloned lists are not equal $msg")
}
}
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