1 files changed, 79 insertions, 0 deletions
diff --git a/test/files/run/mutable-longmap.scala b/test/files/run/mutable-longmap.scala
new file mode 100644
index 0000000000..07fd80f6f0
--- /dev/null
+++ b/test/files/run/mutable-longmap.scala
@@ -0,0 +1,79 @@
+object Test extends App {
+
+  import scala.collection.mutable.HashMap;
+  import scala.collection.mutable.LongMap;
+
+  val keys = Array(
+    Long.MinValue, Int.MinValue - 1L, Int.MinValue, -9127, -1,
+    0, 1, 9127, Int.MaxValue, Long.MaxValue
+  )
+
+  val rn = new scala.util.Random(42L)
+  var lm = LongMap.empty[Long]
+  val hm = HashMap.empty[Long,Long]
+  
+  def checkConsistent = hm.forall{ case (k,v) => lm.get(k).exists(_ == v) }
+
+  assert {
+    (0 to 10000).forall{ i =>
+      val k = keys(rn.nextInt(keys.length))
+      if (rn.nextInt(100) < 2) lm = lm.clone()
+      if (rn.nextInt(100) < 5) lm.repack()
+      if (rn.nextBoolean) {
+        hm += ((k, i))
+        rn.nextInt(6) match {
+          case 0 => lm += ((k, i))
+          case 1 => lm += (k, i)
+          case 2 => lm(k) = i
+          case 3 => lm.put(k,i)
+          case 4 => lm ++= List((k,i))
+          case _ => if (!lm.contains(k)) lm.getOrElseUpdate(k,i) 
+                    else lm += (k,i)
+        }
+      }
+      else {
+        hm -= k
+        rn.nextInt(2) match {
+          case 0 => lm -= k
+          case _ => lm --= List(k)
+        }
+      }
+      checkConsistent
+    }
+  }
+    
+  assert {
+    lm.map{ case (k,v) => -k*k -> v.toString }.getClass == lm.getClass
+  }
+  
+  assert {
+    val lm2 = new LongMap[Unit](2000000)
+    for (i <- 0 until 1000000) lm2(i) = ()
+    
+    lm2.size == 1000000 && 
+      (0 to 1100000 by 100000).forall(i => (lm2 contains i) == i < 1000000)
+  }
+  
+  lm = LongMap(8L -> 22L, -5L -> 5L, Long.MinValue -> 0L)
+  
+  assert{ var s = 0L; lm.foreachKey(s += _); s == Long.MinValue + 3 }
+  assert{ var s = 0L; lm.foreachValue(s += _); s == 27L }
+  assert { 
+    val m2 = lm.mapValuesNow(_+2)
+    lm.transformValues(_+2)
+    m2 == lm && !(m2 eq lm) && (for ((_,v) <- lm) yield v).sum == 33L
+  }
+
+  assert {
+    val lm2 = new LongMap[String](_.toString)
+    lm2 += (5L -> "fish", 0L -> "unicorn")
+    val hm2 = (new HashMap[Long,String]) ++= lm2
+    
+    List(Long.MinValue, 0L, 1L, 5L).forall(i =>
+      lm2.get(i) == hm2.get(i) &&
+      lm2.getOrElse(i, "") == hm2.getOrElse(i, "") &&
+      lm2(i) == hm2.get(i).getOrElse(i.toString) &&
+      lm2.getOrNull(i) == hm2.get(i).orNull
+    )
+  }
+}