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Scala example source code file (NonEmptyListTestJVM.scala)

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

Learn more about this Scala project at its project page.

Java - Scala tags/keywords

nonemptylisttestjvm, speclite

The NonEmptyListTestJVM.scala Scala example source code

package scalaz

import std.AllInstances._

object NonEmptyListTestJVM extends SpecLite {

  "NonEmptyList.foldRight1 large list" in {
    import NonEmptyList._
    import syntax.foldable1._
    nel(0, IList.fromList(List.fill(100000)(1))).foldRight1(_ + _) must_== 100000
  "no stack overflow large list traverse" in {
    import syntax.traverse._
    val largeNel = NonEmptyList.nel(0, IList.fromList((1 to 100000).toList))
    (largeNel map Option.apply).sequence must_===(Option(largeNel))
  "stack-safety of tails" in {
    val largeNel = NonEmptyList.nel(0, IList.fill(100000)(0))
    largeNel.tails.size must_== 100001


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