1 files changed, 24 insertions, 0 deletions
diff --git a/test/files/pos/spec-sparsearray-new.scala b/test/files/pos/spec-sparsearray-new.scala
new file mode 100644
index 0000000000..0659bf7926
--- /dev/null
+++ b/test/files/pos/spec-sparsearray-new.scala
@@ -0,0 +1,24 @@
+import scala.collection.mutable.MapLike
+
+class SparseArray[@specialized(Int) T:ArrayTag] extends collection.mutable.Map[Int,T] with collection.mutable.MapLike[Int,T,SparseArray[T]] {
+  override def get(x: Int) = {
+    val ind = findOffset(x)
+    if(ind < 0) None else Some(error("ignore"))
+  }
+
+  /**
+   * Returns the offset into index and data for the requested vector
+   * index.  If the requested index is not found, the return value is
+   * negative and can be converted into an insertion point with -(rv+1).
+   */
+  private def findOffset(i : Int) : Int = {
+    error("impl doesn't matter")
+  }
+
+  override def apply(i : Int) : T = { error("ignore") }
+  override def update(i : Int, value : T) = error("ignore")
+  override def empty = new SparseArray[T]
+  def -=(ind: Int) = error("ignore")
+  def +=(kv: (Int,T)) = error("ignore")
+  override final def iterator = error("ignore")
+}