Scala example source code file (t2813.2.scala)

This example Scala source code file (t2813.2.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

app, app, expected, linkedlist, linkedlist, list, list, seq, test, test, util

The Scala t2813.2.scala source code

import java.util.LinkedList
import collection.JavaConversions._

object Test extends App {
  def assertListEquals[A](expected: List[A], actual: Seq[A]) {
    assert(expected.sameElements(actual),
           "Expected list to contain " + expected.mkString("[", ", ", "]") +
           ", but was " + actual.mkString("[", ", ", "]"))
  }

  def addAllOfNonCollectionWrapperAtZeroOnEmptyLinkedList() {
    val l = new LinkedList[Int]
    l.addAll(0, List(1, 2))
    assertListEquals(List(1, 2), l)
  }

  def addAllOfNonCollectionWrapperAtZeroOnLinkedList() {
    val l = new LinkedList[Int] + 1 + 2
    l.addAll(0, List(10, 11))
    assertListEquals((List(10, 11, 1, 2)), l)
  }

  def addAllOfCollectionWrapperAtZeroOnLinkedList() {
    val l = new LinkedList[Int] + 1 + 2
    l.addAll(0, new LinkedList[Int] + 10 + 11)
    assertListEquals((List(10, 11, 1, 2)), l)
  }

  def addAllOfCollectionWrapperAtZeroOnEmptyLinkedList() {
    val l = new LinkedList[Int]
    l.addAll(0, new LinkedList[Int] + 10 + 11)
    assertListEquals((List(10, 11)), l)
  }

  addAllOfNonCollectionWrapperAtZeroOnEmptyLinkedList
  addAllOfNonCollectionWrapperAtZeroOnLinkedList
  addAllOfCollectionWrapperAtZeroOnEmptyLinkedList
  addAllOfCollectionWrapperAtZeroOnLinkedList
}