Scala Kata: Test & Implementation

P06.scala

// source: http://aperiodic.net/phil/scala/s-99/
def isPalindrome[A](in: List[A]):Boolean = in == in.reverse

// source: https://github.com/dadrox/scala.katas (adapted for spec2)
import org.junit._
import org.specs2.matcher._
class NinetyNineScalaProblems extends JUnitMustMatchers {
  @test def P06
  {
    isPalindrome Nil must beTrue
    isPalindrome List(1) must beTrue
    isPalindrome List(1, 1) must beTrue
    isPalindrome List(1, 2, 1) must beTrue
    isPalindrome List("Madam, I'm Adam") must beTrue
    isPalindrome List("foo", "bar", "foo") must beTrue

    isPalindrome List(1, 2) must beFalse
    isPalindrome List("foo", "bar", "baz") must beFalse
  }
}