aboutsummaryrefslogtreecommitdiff
path: root/tests/run/priorityQueue.scala
diff options
context:
space:
mode:
authorDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-22 16:07:23 +0200
committerDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-22 16:07:23 +0200
commit6965b470d433f501203c4e3d77b0919f826691ba (patch)
tree413446f1af3f40bb69499a60066609af6bc38d9f /tests/run/priorityQueue.scala
parent91bb668c5f1b6e5c51dad9b373c9398521508bc3 (diff)
downloaddotty-6965b470d433f501203c4e3d77b0919f826691ba.tar.gz
dotty-6965b470d433f501203c4e3d77b0919f826691ba.tar.bz2
dotty-6965b470d433f501203c4e3d77b0919f826691ba.zip
Enable 440 run tests that pass.
Note that some of them may pass due to several bugs that interfere.
Diffstat (limited to 'tests/run/priorityQueue.scala')
-rw-r--r--tests/run/priorityQueue.scala373
1 files changed, 373 insertions, 0 deletions
diff --git a/tests/run/priorityQueue.scala b/tests/run/priorityQueue.scala
new file mode 100644
index 000000000..56f7ac3c8
--- /dev/null
+++ b/tests/run/priorityQueue.scala
@@ -0,0 +1,373 @@
+
+
+
+import scala.collection.mutable.PriorityQueue
+
+
+
+
+
+
+// populate a priority queue a few different ways and make sure they all seem equal
+object Test {
+
+ def main(args: Array[String]): Unit = {
+ // testInsertionsAndEqualities
+ // testIntensiveEnqueueDequeue
+ // testTails
+ // testInits
+ // testFilters
+ // testDrops
+ // testEquality
+ // testMisc
+ // testReverse
+ // testToList
+ // testForeach
+ }
+
+ // def testInsertionsAndEqualities {
+ // import scala.util.Random.nextInt
+ // val pq1 = new PriorityQueue[String]
+ // val pq2 = new PriorityQueue[String]
+ // val pq3 = new PriorityQueue[String]
+ // val pq4 = new PriorityQueue[String]
+
+ // val strings = (1 to 20).toList map (i => List.fill((Math.abs(nextInt % 20)) + 1)("x").mkString)
+
+ // pq1 ++= strings
+ // pq2 ++= strings.reverse
+ // for (s <- strings) pq3 += s
+ // for (s <- strings.reverse) pq4 += s
+
+ // val pqs = List(pq1, pq2, pq3, pq4, pq1.clone, pq2.clone)
+
+ // for (queue1 <- pqs ; queue2 <- pqs) {
+ // val l1: List[String] = queue1.dequeueAll[String, List[String]]
+ // val l2: List[String] = queue2.dequeueAll[String, List[String]]
+ // assert(l1 == l2)
+ // assert(queue1.max == queue2.max)
+ // }
+
+ // assertPriorityDestructive(pq1)
+ // }
+
+ // not a sequence anymore, Mildred
+ // def testIndexing {
+ // val pq = new PriorityQueue[Char]
+ // "The quick brown fox jumps over the lazy dog".foreach(pq += _)
+
+ // // val iter = pq.iterator
+ // // while (iter.hasNext) println("`" + iter.next + "`")
+ // assert(pq(0) == 'z')
+ // assert(pq(1) == 'y')
+ // assert(pq(2) == 'x')
+ // assert(pq(3) == 'w')
+ // assert(pq(4) == 'v')
+ // assert(pq(5) == 'u')
+ // assert(pq(7) == 't')
+ // assert(pq(8) == 's')
+ // assert(pq(9) == 'r')
+ // assert(pq(10) == 'r')
+
+ // pq.clear
+ // "abcdefghijklmnopqrstuvwxyz".foreach(pq += _)
+ // for (i <- 0 until 26) assert(pq(i) == ('z' - i))
+
+ // val intpq = new PriorityQueue[Int]
+ // val intlst = new collection.mutable.ArrayBuffer ++ (0 until 100)
+ // val random = new util.Random(101)
+ // while (intlst.nonEmpty) {
+ // val idx = random.nextInt(intlst.size)
+ // intpq += intlst(idx)
+ // intlst.remove(idx)
+ // }
+ // for (i <- 0 until 100) assert(intpq(i) == (99 - i))
+ // }
+
+ // def testTails {
+ // val pq = new PriorityQueue[Int]
+ // for (i <- 0 until 10) pq += i * 4321 % 200
+
+ // assert(pq.size == 10)
+ // assert(pq.nonEmpty)
+
+ // val tailpq = pq.tail
+ // // pq.printstate
+ // // tailpq.printstate
+ // assert(tailpq.size == 9)
+ // assert(tailpq.nonEmpty)
+ // assertPriorityDestructive(tailpq)
+ // }
+
+ // def assertPriorityDestructive[A](pq: PriorityQueue[A])(implicit ord: Ordering[A]) {
+ // import ord._
+ // var prev: A = null.asInstanceOf[A]
+ // while (pq.nonEmpty) {
+ // val curr = pq.dequeue
+ // if (prev != null) assert(curr <= prev)
+ // prev = curr
+ // }
+ // }
+
+ // def testInits {
+ // val pq = new PriorityQueue[Long]
+ // for (i <- 0 until 20) pq += (i + 313) * 111 % 300
+
+ // assert(pq.size == 20)
+
+ // val initpq = pq.init
+ // assert(initpq.size == 19)
+ // assertPriorityDestructive(initpq)
+ // }
+
+ // def testFilters {
+ // val pq = new PriorityQueue[String]
+ // for (i <- 0 until 100) pq += "Some " + (i * 312 % 200)
+
+ // val filpq = pq.filter(_.indexOf('0') != -1)
+ // assertPriorityDestructive(filpq)
+ // }
+
+ // def testIntensiveEnqueueDequeue {
+ // val pq = new PriorityQueue[Int]
+
+ // testIntensive(1000, pq)
+ // pq.clear
+ // testIntensive(200, pq)
+ // }
+
+ // def testIntensive(sz: Int, pq: PriorityQueue[Int]) {
+ // val lst = new collection.mutable.ArrayBuffer[Int] ++ (0 until sz)
+ // val rand = new util.Random(7)
+ // while (lst.nonEmpty) {
+ // val idx = rand.nextInt(lst.size)
+ // pq.enqueue(lst(idx))
+ // lst.remove(idx)
+ // if (rand.nextDouble < 0.25 && pq.nonEmpty) pq.dequeue
+ // assertPriority(pq)
+ // }
+ // }
+
+ // def testDrops {
+ // val pq = new PriorityQueue[Int]
+ // pq ++= (0 until 100)
+ // val droppq = pq.drop(50)
+ // assertPriority(droppq)
+
+ // pq.clear
+ // pq ++= droppq
+ // assertPriorityDestructive(droppq)
+ // assertPriority(pq)
+ // assertPriorityDestructive(pq)
+ // }
+
+ // // your sequence days have ended, foul priority queue
+ // // def testUpdates {
+ // // val pq = new PriorityQueue[Int]
+ // // pq ++= (0 until 36)
+ // // assertPriority(pq)
+
+ // // pq(0) = 100
+ // // assert(pq(0) == 100)
+ // // assert(pq.dequeue == 100)
+ // // assertPriority(pq)
+
+ // // pq.clear
+
+ // // pq ++= (1 to 100)
+ // // pq(5) = 200
+ // // assert(pq(0) == 200)
+ // // assert(pq(1) == 100)
+ // // assert(pq(2) == 99)
+ // // assert(pq(3) == 98)
+ // // assert(pq(4) == 97)
+ // // assert(pq(5) == 96)
+ // // assert(pq(6) == 94)
+ // // assert(pq(7) == 93)
+ // // assert(pq(98) == 2)
+ // // assert(pq(99) == 1)
+ // // assertPriority(pq)
+
+ // // pq(99) = 450
+ // // assert(pq(0) == 450)
+ // // assert(pq(1) == 200)
+ // // assert(pq(99) == 2)
+ // // assertPriority(pq)
+
+ // // pq(1) = 0
+ // // assert(pq(1) == 100)
+ // // assert(pq(99) == 0)
+ // // assertPriority(pq)
+ // // assertPriorityDestructive(pq)
+ // // }
+
+ // def testEquality {
+ // val pq1 = new PriorityQueue[Int]
+ // val pq2 = new PriorityQueue[Int]
+
+ // pq1 ++= (0 until 50)
+ // var i = 49
+ // while (i >= 0) {
+ // pq2 += i
+ // i -= 1
+ // }
+ // assert(pq1 == pq2)
+ // assertPriority(pq2)
+
+ // pq1 += 100
+ // assert(pq1 != pq2)
+ // pq2 += 100
+ // assert(pq1 == pq2)
+ // pq2 += 200
+ // assert(pq1 != pq2)
+ // pq1 += 200
+ // assert(pq1 == pq2)
+ // assertPriorityDestructive(pq1)
+ // assertPriorityDestructive(pq2)
+ // }
+
+ // def testMisc {
+ // val pq = new PriorityQueue[Int]
+ // pq ++= (0 until 100)
+ // assert(pq.size == 100)
+
+ // val (p1, p2) = pq.partition(_ < 50)
+ // assertPriorityDestructive(p1)
+ // assertPriorityDestructive(p2)
+
+ // val spq = pq.slice(25, 75)
+ // assertPriorityDestructive(spq)
+
+ // pq.clear
+ // pq ++= (0 until 10)
+ // pq += 5
+ // assert(pq.size == 11)
+
+ // val ind = pq.lastIndexWhere(_ == 5)
+ // assert(ind == 5)
+ // assertPriorityDestructive(pq)
+
+ // pq.clear
+ // pq ++= (0 until 10)
+ // assert(pq.lastIndexWhere(_ == 9) == 0)
+ // assert(pq.lastIndexOf(8) == 1)
+ // assert(pq.lastIndexOf(7) == 2)
+
+ // pq += 5
+ // pq += 9
+ // assert(pq.lastIndexOf(9) == 1)
+ // assert(pq.lastIndexWhere(_ % 2 == 1) == 10)
+ // assert(pq.lastIndexOf(5) == 6)
+
+ // val lst = pq.reverseIterator.toList
+ // for (i <- 0 until 5) assert(lst(i) == i)
+ // assert(lst(5) == 5)
+ // assert(lst(6) == 5)
+ // assert(lst(7) == 6)
+ // assert(lst(8) == 7)
+ // assert(lst(9) == 8)
+ // assert(lst(10) == 9)
+ // assert(lst(11) == 9)
+
+ // pq.clear
+ // assert(pq.reverseIterator.toList.isEmpty)
+
+ // pq ++= (50 to 75)
+ // assert(pq.lastIndexOf(70) == 5)
+
+ // pq += 55
+ // pq += 70
+ // assert(pq.lastIndexOf(70) == 6)
+ // assert(pq.lastIndexOf(55) == 22)
+ // assert(pq.lastIndexOf(55, 21) == 21)
+ // assert(pq.lastIndexWhere(_ > 54) == 22)
+ // assert(pq.lastIndexWhere(_ > 54, 21) == 21)
+ // assert(pq.lastIndexWhere(_ > 69, 5) == 5)
+ // }
+
+ // def testReverse {
+ // val pq = new PriorityQueue[(Int, Int)]
+ // pq ++= (for (i <- 0 until 10) yield (i, i * i % 10))
+
+ // assert(pq.reverse.size == pq.reverseIterator.toList.size)
+ // assert((pq.reverse zip pq.reverseIterator.toList).forall(p => p._1 == p._2))
+ // assert(pq.reverse.sameElements(pq.reverseIterator.toSeq))
+ // assert(pq.reverse(0)._1 == pq(9)._1)
+ // assert(pq.reverse(1)._1 == pq(8)._1)
+ // assert(pq.reverse(4)._1 == pq(5)._1)
+ // assert(pq.reverse(9)._1 == pq(0)._1)
+
+ // pq += ((7, 7))
+ // pq += ((7, 9))
+ // pq += ((7, 8))
+ // assert(pq.reverse.reverse == pq)
+ // assert(pq.reverse.lastIndexWhere(_._2 == 6) == 6)
+ // assertPriorityDestructive(pq.reverse.reverse)
+
+ // val iq = new PriorityQueue[Int]
+ // iq ++= (0 until 50)
+ // assert(iq.reverse == iq.reverseIterator.toSeq)
+ // assert(iq.reverse.reverse == iq)
+
+ // iq += 25
+ // iq += 40
+ // iq += 10
+ // assert(iq.reverse == iq.reverseIterator.toList)
+ // assert(iq.reverse.reverse == iq)
+ // assert(iq.reverse.lastIndexWhere(_ == 10) == 11)
+ // assertPriorityDestructive(iq.reverse.reverse)
+ // }
+
+ // def testToList {
+ // val pq = new PriorityQueue[Int]
+
+ // pq += 1
+ // pq += 4
+ // pq += 0
+ // pq += 5
+ // pq += 3
+ // pq += 2
+ // assert(pq.toList == pq)
+ // assert(pq == List(5, 4, 3, 2, 1, 0))
+ // assert(pq.reverse == List(0, 1, 2, 3, 4, 5))
+
+ // pq.clear
+ // for (i <- -50 until 50) pq += i
+ // assert(pq.toList == pq)
+ // assert(pq.toList == (-50 until 50).reverse)
+ // }
+
+ // def testForeach {
+ // val pq = new PriorityQueue[Char]
+
+ // pq += 't'
+ // pq += 'o'
+ // pq += 'b'
+ // pq += 'y'
+ // val sbf = new StringBuilder
+ // val sbi = new StringBuilder
+ // pq.foreach(sbf += _)
+ // pq.iterator.foreach(sbi += _)
+ // assert(sbf.toString == sbi.toString)
+ // assert(sbf.toString == "ytob")
+ // }
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+