Add corelib tests

test/codegen/corelib/map_values3_test.dart

Index: test/codegen/corelib/map_values3_test.dart
diff --git a/test/codegen/corelib/map_values3_test.dart b/test/codegen/corelib/map_values3_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..617f1fce6e0dfed6ee2671f203c70f01e5095e31
--- /dev/null
+++ b/test/codegen/corelib/map_values3_test.dart
@@ -0,0 +1,53 @@
+// Copyright (c) 2011, 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.
+
+import "package:expect/expect.dart";
+
+main() {
+  var map1 = <int, String>{ 1: "42", 2: "499" };
+  var map2 = <int, String>{};
+  var map3 = const <int, String>{ 3: "42", 4: "499" };
+  var map4 = const <int, String>{};
+  var map5 = new Map<int, String>();
+  map5[5] = "43";
+  map5[6] = "500";
+  var map6 = new Map<int, String>();
+
+  Expect.isTrue(map1.values is Iterable<String>);
+  Expect.isFalse(map1.values is Iterable<bool>);
+  Expect.isFalse(map1.values is List);
+  Expect.equals(2, map1.values.length);
+  Expect.equals("42", map1.values.first);
+  Expect.equals("499", map1.values.last);
+
+  Expect.isTrue(map2.values is Iterable<String>);
+  Expect.isFalse(map2.values is Iterable<bool>);
+  Expect.isFalse(map2.values is List);
+  Expect.equals(0, map2.values.length);
+
+  Expect.isTrue(map3.values is Iterable<String>);
+  Expect.isFalse(map3.values is Iterable<bool>);
+  Expect.isFalse(map3.values is List);
+  Expect.equals(2, map3.values.length);
+  Expect.equals("42", map3.values.first);
+  Expect.equals("499", map3.values.last);
+
+  Expect.isTrue(map4.values is Iterable<String>);
+  Expect.isFalse(map4.values is Iterable<bool>);
+  Expect.isFalse(map4.values is List);
+  Expect.equals(0, map4.values.length);
+
+  Expect.isTrue(map5.values is Iterable<String>);
+  Expect.isFalse(map5.values is Iterable<bool>);
+  Expect.isFalse(map5.values is List);
+  Expect.equals(2, map5.values.length);
+  // new Map gives a LinkedHashMap, so we know the order.
+  Expect.isTrue(map5.values.first == "43");
+  Expect.isTrue(map5.values.last == "500");
+
+  Expect.isTrue(map6.values is Iterable<String>);
+  Expect.isFalse(map6.values is Iterable<bool>);
+  Expect.isFalse(map6.values is List);
+  Expect.equals(0, map6.values.length);
+}