diff options
Diffstat (limited to 'test/files/run/mutable-anyrefmap.scala')
-rw-r--r-- | test/files/run/mutable-anyrefmap.scala | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/test/files/run/mutable-anyrefmap.scala b/test/files/run/mutable-anyrefmap.scala new file mode 100644 index 0000000000..ff615d0daf --- /dev/null +++ b/test/files/run/mutable-anyrefmap.scala @@ -0,0 +1,91 @@ +object Test extends App { + + import scala.collection.mutable.HashMap; + import scala.collection.mutable.AnyRefMap; + + val keys = Array( + null, "perch", "herring", "salmon", "pike", "cod", "" + ) + + val rn = new scala.util.Random(42L) + var arm = AnyRefMap.empty[String, Int] + val hm = HashMap.empty[String, Int] + + def checkConsistent = hm.forall{ case (k,v) => arm.get(k).exists(_ == v) } + + assert { + (0 to 10000).forall{ i => + val k = keys(rn.nextInt(keys.length)) + if (rn.nextInt(100) < 2) arm = arm.clone() + if (rn.nextInt(100) < 5) arm.repack() + if (rn.nextBoolean) { + hm += ((k, i)) + rn.nextInt(6) match { + case 0 => arm += ((k, i)) + case 1 => arm += (k, i) + case 2 => arm(k) = i + case 3 => arm.put(k,i) + case 4 => arm ++= List((k,i)) + case _ => if (!arm.contains(k)) arm.getOrElseUpdate(k,i) + else arm += (k,i) + } + } + else { + hm -= k + rn.nextInt(2) match { + case 0 => arm -= k + case _ => arm --= List(k) + } + } + checkConsistent + } + } + + assert { + val mapped = + arm.map{ case (k,v) => (if (k==null) "" else k+k) -> v.toString } + mapped.getClass == arm.getClass + } + + assert { + val arm2 = new AnyRefMap[java.lang.Integer,Unit](2000000) + for (i <- 0 until 1000000) arm2(java.lang.Integer.valueOf(i)) = () + + arm2.size == 1000000 && + (0 to 1100000 by 100000).map(java.lang.Integer.valueOf).forall(i => (arm2 contains i) == i < 1000000) + } + + arm = AnyRefMap("heron" -> 22, "dove" -> 5, "budgie" -> 0) + + assert{ + var s = "" + arm.foreachKey(s += _) + + s.length == "herondovebudgie".length && + s.contains("heron") && + s.contains("dove") && + s.contains("budgie") + } + + assert{ var s = 0L; arm.foreachValue(s += _); s == 27L } + + assert { + val m2 = arm.mapValuesNow(_+2) + arm.transformValues(_+2) + m2 == arm && !(m2 eq arm) && (for ((_,v) <- arm) yield v).sum == 33L + } + + assert { + val arm2 = new AnyRefMap[String, String](x => if (x==null) "null" else x) + arm2 += ("cod" -> "fish", "Rarity" -> "unicorn") + val hm2 = (new HashMap[String,String]) ++= arm2 + + List(null, "cod", "sparrow", "Rarity").forall(i => + arm2.get(i) == hm2.get(i) && + arm2.getOrElse(i, "") == hm2.getOrElse(i, "") && + arm2(i) == hm2.get(i).getOrElse(if (i==null) "null" else i.toString) && + arm2.getOrNull(i) == hm2.get(i).orNull + ) + } +} + |