Merge pull request #3121 from rjfwhite/SI-7568

SI-7568 Adding Serializable to ResizableArrayAccess inner class

1 files changed, 32 insertions, 0 deletions

diff --git a/test/junit/scala/collection/PriorityQueueTest.scala b/test/junit/scala/collection/PriorityQueueTest.scala
new file mode 100644
index 0000000000..a14f1bf4c8
--- /dev/null
+++ b/test/junit/scala/collection/PriorityQueueTest.scala
@@ -0,0 +1,32 @@
+package scala.collection.mutable
+
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+import org.junit.Test
+import scala.collection.mutable
+import java.io.{ObjectInputStream, ByteArrayInputStream, ByteArrayOutputStream, ObjectOutputStream}
+
+@RunWith(classOf[JUnit4])
+/* Test for SI-7568  */
+class PriorityQueueTest {
+  val priorityQueue = new mutable.PriorityQueue[Int]()
+  val elements = List.fill(1000)(scala.util.Random.nextInt(Int.MaxValue))
+  priorityQueue.enqueue(elements :_*)
+
+  @Test
+  def canSerialize() {
+    val outputStream = new ByteArrayOutputStream()
+    new ObjectOutputStream(outputStream).writeObject(priorityQueue)
+  }
+
+  @Test
+  def maintainsStateWhenDeserialized() {
+    val outputStream = new ByteArrayOutputStream()
+    new ObjectOutputStream(outputStream).writeObject(priorityQueue)
+    val bytes = outputStream.toByteArray
+
+    val objectInputStream = new ObjectInputStream(new ByteArrayInputStream(bytes))
+    val deserializedPriorityQueue = objectInputStream.readObject().asInstanceOf[PriorityQueue[Int]]
+    assert(deserializedPriorityQueue.dequeueAll == elements.sorted.reverse)
+  }
+}