Implement reflecting on uninstantiated classes.

dart/tests/lib/mirrors/reflect_runtime_type_test.dart

Index: dart/tests/lib/mirrors/reflect_runtime_type_test.dart
diff --git a/dart/tests/lib/mirrors/reflect_runtime_type_test.dart b/dart/tests/lib/mirrors/reflect_runtime_type_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c766c2d2f2a5a17994e4135502f3b29d8ab781fb
--- /dev/null
+++ b/dart/tests/lib/mirrors/reflect_runtime_type_test.dart
@@ -0,0 +1,24 @@
+// 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.
+
+// A simple test that ensure that reflection works on runtime types of
+// instantiated classes.
+
+import "dart:mirrors";
+
+class Foo {
+  int a;
+}
+
+main() {
+  var m = reflectClass(new Foo().runtimeType);
+  var field = publicFields(m).single;
+  if (MirrorSystem.getName(field.simpleName) != 'a') {
+    throw 'Expected "a", but got "${MirrorSystem.getName(field.simpleName)}"';
+  }
+  print(field);
+}
+
+Iterable<VariableMirror> publicFields(ClassMirror mirror) =>
+    mirror.variables.values.where((x) => !(x.isPrivate || x.isStatic));