Add mirrors tests

test/codegen/lib/mirrors/intercepted_object_test.dart

+// 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.
+
+// Ensure that objects handled specially by dart2js can be reflected on.
+
+library test.intercepted_object_test;
+
+import 'dart:mirrors';
+
+import 'stringify.dart' show stringify, expect;
+
+import 'intercepted_class_test.dart' show checkClassMirrorMethods;
+
+checkImplements(object, String name) {
+  ClassMirror cls = reflect(object).type;
+  checkClassMirrorMethods(cls);
+
+  // The VM implements List via a mixin, so check for that.
+  if (cls.superinterfaces.isEmpty && object is List) {
+    cls = cls.superclass.superclass.mixin;
+  }
+
+  List<ClassMirror> superinterfaces = cls.superinterfaces;
+  String symName = 's($name)';
+  for (ClassMirror superinterface in superinterfaces) {
+    print(superinterface.simpleName);
+    if (symName == stringify(superinterface.simpleName)) {
+      checkClassMirrorMethods(superinterface);
+      return;
+    }
+  }
+ 
+  // A class implements itself, even if not explicitly declared.
+  if (symName == stringify(cls.simpleName)) {
+    checkClassMirrorMethods(cls);
+    return;
+  }
+
+  // TODO(floitsch): use correct fail
+  expect(name, "super interface not found");
+}
+
+main() {
+  checkImplements('', 'String');
+  checkImplements(1, 'int');
+  checkImplements(1.5, 'double');
+  checkImplements(true, 'bool');
+  checkImplements(false, 'bool');
+  checkImplements([], 'List');
+}