Specialization landed in trunk.

1 files changed, 63 insertions, 0 deletions

diff --git a/test/files/pos/spec-funs.scala b/test/files/pos/spec-funs.scala
new file mode 100644
index 0000000000..5fea5e9560
--- /dev/null
+++ b/test/files/pos/spec-funs.scala
@@ -0,0 +1,63 @@
+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() {
+    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() {
+    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 TestInt extends testing.Benchmark {
+  def run() = (new IntTest).run()
+}
+
+object TestClosure extends testing.Benchmark {
+  def run() = (new ClosureTest).run()
+}