1 files changed, 60 insertions, 0 deletions
diff --git a/tests/untried/pos/spec-funs.scala b/tests/untried/pos/spec-funs.scala
new file mode 100644
index 000000000..a742d81aa
--- /dev/null
+++ b/tests/untried/pos/spec-funs.scala
@@ -0,0 +1,60 @@
+trait AbsFunction1[@specialized -T, @specialized +U] {
+  def apply(x: T): U
+}
+
+final class IntTest {
+
+  val niters = 10000
+
+  def transF(xs: Array[Int], f: AbsFunction1[Int, Int]) = {
+    var i = 0
+    var s = 0
+    while (i < xs.length) {
+      xs(i) = f(xs(i)) + 1
+      i += 1
+    }
+  }
+
+  def run(): Unit = {
+    val xs = new Array[Int](10000)
+    val f = new AbsFunction1[Int, Int] {
+      def apply(x: Int): Int = x * x
+    }
+    for (j <- 0 until niters) {
+      transF(xs, f)
+    }
+    var acc = 0
+    for (i <- 0 until xs.length) acc += xs(i)
+    println(acc)
+  }
+}
+
+final class ClosureTest {
+
+  val niters = 10000
+
+  def transF(xs: Array[Int], f: Int => Int) = {
+    var i = 0
+    var s = 0
+    while (i < xs.length) {
+      xs(i) = f.apply(xs(i)) + 1
+      i += 1
+    }
+  }
+
+  def run(): Unit = {
+    val xs = new Array[Int](10000)
+//    val f = (x: Int) => x * x
+    for (j <- 0 until niters) {
+      transF(xs, x => x * x)
+    }
+    var acc = 0
+    for (i <- 0 until xs.length) acc += xs(i)
+    println(acc)
+  }
+}
+
+object TestRunner {
+  (new IntTest).run()
+  (new ClosureTest).run()
+}