| // 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. |
| |
| import "native_testing.dart"; |
| |
| // Test for dartNativeDispatchHooksTransformer, getTag hook. |
| // Same as browser_compat_1_prepatched_test but with prepatching disabled. |
| |
| @Native("T1A") |
| class T1A {} |
| |
| @Native("T1B") |
| class T1B {} |
| |
| @Native("T1C") |
| class T1C {} |
| |
| makeT1A() native; |
| makeT1B() native; |
| makeT1C() native; |
| |
| int getTagCallCount() native; |
| |
| void setup() { |
| JS('', r""" |
| (function(){ |
| function T1A() { } // Normal native class. |
| function T1CrazyB() { } // Native class with different constructor name. |
| |
| var T1fakeA = (function(){ |
| function T1A() {} // Native class with adversarial constructor name. |
| return T1A; |
| })(); |
| |
| // Make constructors visible on 'window' for prepatching. |
| if (typeof window == "undefined") window = {}; |
| window.T1A = T1A; |
| window.T1CrazyB = T1CrazyB; |
| |
| makeT1A = function(){return new T1A()}; |
| makeT1B = function(){return new T1CrazyB()}; |
| makeT1C = function(){return new T1fakeA()}; |
| |
| self.nativeConstructor(T1A); |
| self.nativeConstructor(T1CrazyB); |
| self.nativeConstructor(T1fakeA); |
| |
| var getTagCount = 0; |
| getTagCallCount = function() { return getTagCount; }; |
| |
| function transformer1(hooks) { |
| var getTag = hooks.getTag; |
| |
| function getTagNew(obj) { |
| ++getTagCount; |
| |
| // If something looks like a different native type we can check in advance |
| // of the default algorithm. |
| if (obj instanceof T1fakeA) return "T1C"; |
| |
| var tag = getTag(obj); |
| |
| // New constructor names can be mapped here. |
| if (tag == "T1CrazyB") return "T1B"; |
| |
| return tag; |
| } |
| |
| hooks.getTag = getTagNew; |
| // Disable prepatching. |
| hooks.prototypeForTag = function() { return null; } |
| } |
| |
| dartNativeDispatchHooksTransformer = [transformer1]; |
| })()"""); |
| } |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| |
| var t1a = makeT1A(); |
| var t1b = makeT1B(); |
| var t1c = makeT1C(); |
| |
| Expect.equals(true, t1a is T1A, '$t1a is T1A'); |
| Expect.equals(true, t1b is T1B, '$t1b is T1B'); |
| Expect.equals(true, t1c is T1C, '$t1c is T1C'); |
| |
| Expect.equals(3, getTagCallCount()); |
| |
| Expect.equals(true, confuse(t1a) is T1A, '$t1a is T1A'); |
| Expect.equals(true, confuse(t1b) is T1B, '$t1b is T1B'); |
| Expect.equals(true, confuse(t1c) is T1C, '$t1c is T1C'); |
| |
| Expect.equals(3, getTagCallCount()); |
| } |