Big merge from experimental to bleeding edge.

tests/corelib/iterable_to_list_test.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.
+
+main() {
+  List<int> list1 = <int>[1, 2, 3];
+  List<int> list2 = const <int>[4, 5];
+  List<String> list3 = <String>[];
+  Set<int> set1 = new Set<int>();
+  set1..add(11)
+      ..add(12)
+      ..add(13);
+  Set<String> set2 = new Set<String>();
+  set2..add("foo")
+      ..add("bar")
+      ..add("toto");
+  Set set3 = new Set();
+
+  var listCopy = list1.toList();
+  Expect.listEquals(list1, listCopy);
+  Expect.isTrue(listCopy is List<int>);
+  Expect.isFalse(listCopy is List<String>);
+  Expect.isFalse(identical(list1, listCopy));
+
+  listCopy = list2.toList();
+  Expect.listEquals(list2, listCopy);
+  Expect.isTrue(listCopy is List<int>);
+  Expect.isFalse(listCopy is List<String>);
+  Expect.isFalse(identical(list2, listCopy));
+
+  listCopy = list3.toList();
+  Expect.listEquals(list3, listCopy);
+  Expect.isTrue(listCopy is List<String>);
+  Expect.isFalse(listCopy is List<int>);
+  Expect.isFalse(identical(list3, listCopy));
+
+  listCopy = set1.toList();
+  Expect.equals(3, listCopy.length);
+  Expect.isTrue(listCopy.contains(11));
+  Expect.isTrue(listCopy.contains(12));
+  Expect.isTrue(listCopy.contains(13));
+  Expect.isTrue(listCopy is List<int>);
+  Expect.isFalse(listCopy is List<String>);
+
+  listCopy = set2.toList();
+  Expect.equals(3, listCopy.length);
+  Expect.isTrue(listCopy.contains("foo"));
+  Expect.isTrue(listCopy.contains("bar"));
+  Expect.isTrue(listCopy.contains("toto"));
+  Expect.isTrue(listCopy is List<String>);
+  Expect.isFalse(listCopy is List<int>);
+
+  listCopy = set3.toList();
+  Expect.isTrue(listCopy.isEmpty);
+  Expect.isTrue(listCopy is List<int>);
+  Expect.isTrue(listCopy is List<String>);
+}