Implement type argument access and reification of runtime types.

tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart

Index: tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
diff --git a/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart b/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..86f8260867b999bb00e7cb50fcdcf5102d4424ec
--- /dev/null
+++ b/tests/compiler/dart2js/js_backend_cps_ir_runtime_types_test.dart
@@ -0,0 +1,50 @@
+// Copyright (c) 2014, 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=-DUSE_CPS_IR=true
+
+// Tests for the runtime type implementation.
+
+library basic_tests;
+
+import 'js_backend_cps_ir.dart';
+
+const String getTypeArgument = r'H.getTypeArgumentByIndex';
+const String getSubstitutedTypeArgument = 'H.getRuntimeTypeArgument';
+const String typeToString = r'H.runtimeTypeToString';
+const String createType = r'H.createRuntimeType';
+
+const List<TestEntry> tests = const [
+    const TestEntry.forMethod("function(C#foo)",
+r"""
+class C<T> {
+  foo() => print(T);
+}
+
+main() {
+  new C<int>().foo();
+}""",
+"""
+function() {
+  return P.print($createType($typeToString($getTypeArgument(this, 0))));
+}"""),
+    const TestEntry.forMethod("function(C#foo)",
+r"""
+class C<T, U> {
+  foo() => print(U);
+}
+
+class D extends C<int, double> {}
+
+main() {
+  new D().foo();
+}""",
+"""
+function() {
+  return P.print($createType($typeToString($getSubstitutedTypeArgument(this, "\$asC", 1))));
+}"""),
+];
+
+void main() {
+  runTests(tests);
+}