| // Copyright (c) 2012, 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. |
| |
| // @dart = 2.7 |
| |
| import "native_testing.dart"; |
| |
| @Native("A") |
| class A {} |
| |
| @Native("B") |
| class B extends A { |
| foo() native; |
| } |
| |
| makeA() native; |
| makeB() native; |
| |
| setup() { |
| JS('', r""" |
| (function(){ |
| function inherits(child, parent) { |
| if (child.prototype.__proto__) { |
| child.prototype.__proto__ = parent.prototype; |
| } else { |
| function tmp() {}; |
| tmp.prototype = parent.prototype; |
| child.prototype = new tmp(); |
| child.prototype.constructor = child; |
| } |
| } |
| function A() {} |
| function B() {} |
| inherits(B, A); |
| self.makeA = function() { return new A() }; |
| self.makeB = function() { return new B() }; |
| B.prototype.foo = function() { return 42; }; |
| |
| self.nativeConstructor(A); |
| self.nativeConstructor(B); |
| })()"""); |
| applyTestExtensions(['A', 'B']); |
| } |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| var a = makeA(); |
| var exception; |
| try { |
| a.foo(); |
| } on NoSuchMethodError catch (e) { |
| exception = e; |
| } |
| Expect.isNotNull(exception); |
| |
| var b = makeB(); |
| Expect.equals(42, b.foo()); |
| } |