test rename overhaul: step 8 - language tests

tests/language/src/Factory2Test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Dart test program for testing default keyword on interfaces
-// Test case for issues 500 and 512
-
-interface Link<T> extends Iterable<T> default LinkFactory<T> {
-  // does not match constructor for  LinkFactory
-  Link(T head, [Link<T> tail]); /// static type warning
-  Link<T> prepend(T element);
-}
-
-interface EmptyLink<T> extends Link<T> default LinkTail<T> {
-  const EmptyLink();
-}
-
-class LinkFactory<T> {
-  factory Link(head, [Link tail]) {
-  }
-}
-
-// Does not implement all of Iterable
-class AbstractLink<T> implements Link<T> {  /// static type warning
-  const AbstractLink();
-  Link<T> prepend(T element) {
-    return new Link<T>(element, this);
-  }
-}
-
-// Does not implement all of Iterable
-class LinkTail<T> extends AbstractLink<T>    /// static type warning
-    implements EmptyLink<T> {
-  const LinkTail();
-}
-
-// Does not implement all of Iterable
-class LinkEntry<T> extends AbstractLink<T> {  /// static type warning
-  LinkEntry(T head, Link<T> realTail);
-}
-
-class Fisk {
-  // instantiation of abstract class
-  Link<String> nodes = const EmptyLink();  /// static type warning
-}
-
-main() {
-  new Fisk();
-  // instantiation of abstract class
-  new EmptyLink<String>().prepend('hest'); /// static type warning
-  // instantiation of abstract class
-  const EmptyLink<String>().prepend('fisk'); /// static type warning
-}
-