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authorMartin Odersky <odersky@gmail.com>2009-05-08 16:33:15 +0000
committerMartin Odersky <odersky@gmail.com>2009-05-08 16:33:15 +0000
commit14a631a5fec42d04d0723355a0b93e482b5e4662 (patch)
treef639c2a22e89e193b9abea391993ecfd4d5326ee /test/files/run/iq.scala
parent2379eb4ebbd28c8892b50a1d9fa8a687099eea4d (diff)
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massive new collections checkin.
Diffstat (limited to 'test/files/run/iq.scala')
-rw-r--r--test/files/run/iq.scala100
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diff --git a/test/files/run/iq.scala b/test/files/run/iq.scala
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-/* $Id$
- * Test file for immutable queues.
- */
-
-import scala.collection.immutable.Queue
-
-object iq {
- def main {
- /* Create an empty queue. */
- val q: Queue[Int] = Queue.Empty
-
- /* Test isEmpty.
- * Expected: Empty
- */
- if (q.isEmpty) {
- Console.println("Empty")
- }
-
- /* Test infix enqueing. */
- //val q2 = q + 42 + 0 // deprecated
- val q2 = q.enqueue(42).enqueue(0)
-
- /* Test is empty and dequeue.
- * Expected: Head: 42
- */
- val q4 =
- if (q2.isEmpty) {
- Console.println("Empty")
- q2
- }
- else {
- val (head, q3) = q2.dequeue
- Console.println("Head: " + head)
- q3
- }
-
- /* Test sequence enqueing. */
- val q5: Queue[Any] = q4.enqueue(List(1,2,3,4,5,6,7,8,9))
- /* Test toString.
- * Expected: Head: q5: Queue(0,1,2,3,4,5,6,7,8,9)
- */
- Console.println("q5: " + q5)
- /* Test apply
- * Expected: q5[5]: 5
- */
- Console.println("q5[5]: " + q5(5))
-
- val q5c: Queue[Int] = Queue.Empty.enqueue(List(0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
-
- /* Testing ==
- * Expected: q5 == q9: true
- * q9 == q5: true
- */
- Console.println("q5 == q5c: " + (q5 == q5c))
- Console.println("q5c == q5: " + (q5c == q5))
-
- val (_, q6) = q5.dequeue
- val (_, q7) = q6.dequeue
- //val q8 = q7 + 10 + 11 //deprecated
- val q8 = q7.enqueue(10).enqueue(11)
- /* Test dequeu
- * Expected: q8: Queue(2,3,4,5,6,7,8,9,10,11)
- */
- Console.println("q8: " + q8)
- val q9 = new Queue(2,3,4,5,6,7,8,9,10,11)
-
- /* Testing ==
- * Expected: q8 == q9: true
- */
- Console.println("q8 == q9: " + (q8 == q9))
-
- /* Testing elements
- * Expected: Elements: 1 2 3 4 5 6 7 8 9
- */
- Console.print("Elements: ");
- q6.elements.foreach(e => Console.print(" "+ e + " "))
- Console.println;
-
- /* Testing mkString
- * Expected: String: <1-2-3-4-5-6-7-8-9>
- */
- Console.println("String: " + q6.mkString("<","-",">"))
-
- /* Testing length
- * Expected: Length: 9
- */
- Console.println("Length: " + q6.length)
-
- /* Testing front
- * Expected: Front: 1
- */
- Console.println("Front: " + q6.front);
- }
-}
-
-object Test {
- def main(args: Array[String]) {
- iq.main
- }
-}