Implement top-level invoke and operators.

dart/tests/lib/mirrors/mirrors_test.dart

 // 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.
 
 library MirrorsTest;
 
 import 'dart:mirrors';
 
 import '../../light_unittest.dart';
 
@@ skipping 42 matching lines @@
   expect(classMirror.invoke(const Symbol("s"),['A', 'B', instance]).reflectee,
          equals({"a": 'A', "b":'B', "c": instance}));
   expect(() => classMirror.invoke(const Symbol("notDefined"), []).reflectee,
          throws);
   expect(() => classMirror.invoke(const Symbol("s"), []).reflectee,
          throws);  // Wrong arity.
   // TODO(rmacnak): Implement access to private members.
   // expect(classMirror.invoke(const Symbol("_t"), [3, 4]).reflectee,
   //        equals(7));
 
-  if (isDart2js) return;
-
   var libMirror = classMirror.owner;
   expect(libMirror.invoke(const Symbol("u"),['A', 'B', instance]).reflectee,
          equals({"a": 'A', "b":'B', "c": instance}));
   expect(() => libMirror.invoke(const Symbol("notDefined"), []).reflectee,
          throws);
   expect(() => libMirror.invoke(const Symbol("u"), []).reflectee,
          throws);  // Wrong arity.
   // NB: This works on the VM but fails at compile-time on dart2js.
   // expect(libMirror.invoke(const Symbol("_v"), [3, 4]).reflectee,
   //        equals(7));
@@ skipping 212 matching lines @@
   test("Test current library uri", () {
     testLibraryUri(new Class(),
       (Uri uri) => uri.path.endsWith('/mirrors_test.dart'));
   });
   test("Test dart library uri", () {
     testLibraryUri("test", (Uri uri) => uri == Uri.parse('dart:core'));
   });
   test("Test simple and qualifiedName", () { testNames(mirrors); });
   test("Test reflect type", () { testReflectClass(mirrors); });
 }