| // Copyright (c) 2016, 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 = 2.9 |
| |
| @JS() |
| library js_typed_interop_callable_object_test; |
| |
| import 'dart:html'; |
| |
| import 'package:js/js.dart'; |
| import 'package:expect/minitest.dart'; |
| |
| // This is a regression test for https://github.com/dart-lang/sdk/issues/25658 |
| |
| @pragma('dart2js:noInline') |
| @pragma('dart2js:assumeDynamic') |
| confuse(x) => x; |
| |
| _injectJs() { |
| document.body.append(new ScriptElement() |
| ..type = 'text/javascript' |
| ..innerHtml = r""" |
| "use strict"; |
| |
| window.callableObject = function (a, b) { return a + b; }; |
| window.callableObject.foo = function() { return "bar"; }; |
| window.callableObject.bar = 42; |
| |
| """); |
| } |
| |
| @JS() |
| @anonymous |
| class CallableObject { |
| /// If a @JS class implements `call`, the underlying representation must be |
| /// a JavaScript callable (i.e. function). |
| external num call(num a, num b); |
| external int get bar; |
| external String foo(); |
| } |
| |
| @JS() |
| external CallableObject get callableObject; |
| |
| main() { |
| _injectJs(); |
| |
| group('callable object', () { |
| test('simple', () { |
| var obj = callableObject; |
| expect(obj(4, 5), equals(9)); |
| expect(obj.bar, equals(42)); |
| expect(obj.foo(), equals("bar")); |
| |
| expect(callableObject(4, 5), equals(9)); |
| expect(callableObject.bar, equals(42)); |
| expect(callableObject.foo(), equals("bar")); |
| }); |
| |
| test('dynamic', () { |
| var obj = confuse(callableObject); |
| expect(obj(4, 5), equals(9)); |
| expect(obj.bar, equals(42)); |
| expect(obj.foo(), equals("bar")); |
| }); |
| }); |
| } |