*** empty log message ***

1 files changed, 79 insertions, 0 deletions

diff --git a/test-nsc/files/run/iterators.scala b/test-nsc/files/run/iterators.scala
new file mode 100644
index 0000000000..7d1e44a0df
--- /dev/null
+++ b/test-nsc/files/run/iterators.scala
@@ -0,0 +1,79 @@
+//############################################################################
+// Iterators
+//############################################################################
+// $Id$
+
+//############################################################################
+
+object Test {
+
+  def check_from: Int = {
+    val it1 = Iterator.from(-1);
+    val it2 = Iterator.from(0, -1);
+    it1.next + it2.next
+  }
+
+  def check_range: Int = {
+    val xs1 = Iterator.range(0, 10,  2) toList;
+    val xs2 = Iterator.range(0, 10, -2) toList;
+    val xs3 = Iterator.range(10, 0, -2) toList;
+    val xs4 = Iterator.range(10, 0,  2) toList;
+    xs1.length + xs2.length + xs3.length + xs4.length
+  }
+
+  def check_take: Int = {
+    val it1 = Iterator.from(0);
+    val xs1 = it1 take 10 toList;
+    xs1.length
+  }
+
+  def check_drop: Int = {
+    val it1 = Iterator.from(0);
+    val it2 = it1 map { x => 2 * x };
+    val n1 = it1 drop 2 next;
+    val n2 = it2 drop 2 next;
+    n1 + n2
+  }
+
+  def check_foreach: Int = {
+    val it1 = Iterator.from(0) take 20;
+    var n = 0;
+    it1 foreach { x => n = n + x }
+    n
+  }
+
+  def check_forall: Int = {
+   val it1 = Iterator.from(0);
+   val it2 = Iterator.from(1);
+    0
+  }
+
+  def check_success[A](name: String, closure: => A, expected: A): Unit = {
+    Console.print("test " + name);
+    try {
+      val actual: A = closure;
+      if (actual == expected)
+        Console.print(" was successful");
+      else
+        Console.print(" failed: expected "+ expected +", found "+ actual);
+    }
+    catch {
+      case exception: Throwable => {
+        Console.print(" raised exception " + exception);
+      }
+    }
+    Console.println;
+  }
+
+  def main(args: Array[String]): Unit = {
+    check_success("check_from",     check_from,     -1);
+    check_success("check_range",    check_range,    10);
+    check_success("check_take",     check_take,     10);
+    check_success("check_drop",     check_drop,     12);
+    check_success("check_foreach",  check_foreach, 190);
+    check_success("check_forall",   check_forall,    0);
+    Console.println;
+  }
+}
+
+//############################################################################