Infra for running lib tests

test/codegen/lib/typed_data/typed_data_hierarchy_test.dart

Index: test/codegen/lib/typed_data/typed_data_hierarchy_test.dart
diff --git a/test/codegen/lib/typed_data/typed_data_hierarchy_test.dart b/test/codegen/lib/typed_data/typed_data_hierarchy_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..eba0e7bd35f4687cfe8ae689d5c348a9961a281c
--- /dev/null
+++ b/test/codegen/lib/typed_data/typed_data_hierarchy_test.dart
@@ -0,0 +1,62 @@
+// Copyright (c) 2013, 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.
+// VMOptions=--optimization-counter-threshold=10
+
+// Library tag to be able to run in html test framework.
+library typed_data_hierarchy_test;
+
+import 'dart:typed_data';
+import 'package:expect/expect.dart';
+
+var inscrutable = null;
+
+void testClampedList() {
+  // Force lookup of Uint8List first.
+  Expect.isTrue(inscrutable(new Uint8List(1)) is Uint8List);
+
+  Expect.isFalse(new Uint8ClampedList(1) is Uint8List,
+      'Uint8ClampedList should not be a subtype of Uint8List '
+      'in optimizable test');
+  Expect.isFalse(inscrutable(new Uint8ClampedList(1)) is Uint8List,
+      'Uint8ClampedList should not be a subtype of Uint8List in dynamic test');
+}
+
+void implementsTypedData() {
+  Expect.isTrue(inscrutable(new ByteData(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Float32List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Float32x4List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Float64List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Int8List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Int16List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Int32List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Uint8List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Uint8ClampedList(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Uint16List(1)) is TypedData);
+  Expect.isTrue(inscrutable(new Uint32List(1)) is TypedData);
+}
+
+
+void implementsList() {
+  Expect.isTrue(inscrutable(new Float32List(1)) is List<double>);
+  Expect.isTrue(inscrutable(new Float32x4List(1)) is List<Float32x4>);
+  Expect.isTrue(inscrutable(new Float64List(1)) is List<double>);
+  Expect.isTrue(inscrutable(new Int8List(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Int16List(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Int32List(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Uint8List(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Uint8ClampedList(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Uint16List(1)) is List<int>);
+  Expect.isTrue(inscrutable(new Uint32List(1)) is List<int>);
+}
+
+main() {
+  inscrutable = (x) => x;
+
+  // Note: this test must come first to control order of lookup on Uint8List and
+  // Uint8ClampedList.
+  testClampedList();
+
+  implementsTypedData();
+  implementsList();
+}