| // 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'; |
| |
| typedef MyFunctionType(); |
| |
| @Native("A") |
| class A { |
| setClosure(MyFunctionType f) native; |
| check(MyFunctionType f) native; |
| invoke() native; |
| } |
| |
| makeA() native; |
| |
| void setup() { |
| JS('', r""" |
| (function(){ |
| function A() {} |
| A.prototype.setClosure = function(f) { this.f = f; }; |
| A.prototype.check = function(f) { return this.f === f; }; |
| A.prototype.invoke = function() { return this.f(); }; |
| self.makeA = function(){return new A()}; |
| |
| self.nativeConstructor(A); |
| })()"""); |
| applyTestExtensions(['A']); |
| } |
| |
| var staticClosure; |
| staticMethod() => 42; |
| |
| class B { |
| var instanceClosure; |
| instanceMethod() => 43; |
| } |
| |
| checkUntyped(a, closure) { |
| a.setClosure(closure); |
| Expect.isTrue(a.check(closure)); |
| Expect.equals(closure(), a.invoke()); |
| } |
| |
| checkTyped(A a, MyFunctionType closure) { |
| a.setClosure(closure); |
| Expect.isTrue(a.check(closure)); |
| Expect.equals(closure(), a.invoke()); |
| } |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| |
| staticClosure = () => 44; |
| B b = new B(); |
| b.instanceClosure = () => 45; |
| |
| closureStatement() => 46; |
| var closureExpression = () => 47; |
| |
| checkUntyped(makeA(), staticClosure); |
| checkTyped(makeA(), staticClosure); |
| |
| checkUntyped(makeA(), staticMethod); |
| checkTyped(makeA(), staticMethod); |
| |
| checkUntyped(makeA(), b.instanceClosure); |
| checkTyped(makeA(), b.instanceClosure); |
| |
| checkUntyped(makeA(), b.instanceMethod); |
| checkTyped(makeA(), b.instanceMethod); |
| |
| checkUntyped(makeA(), closureStatement); |
| checkTyped(makeA(), closureStatement); |
| |
| checkUntyped(makeA(), closureExpression); |
| checkTyped(makeA(), closureExpression); |
| } |