| // Copyright (c) 2020, 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_test; |
| |
| import 'dart:html'; |
| |
| import 'package:js/js.dart'; |
| import 'package:expect/minitest.dart'; |
| |
| _injectJs() { |
| document.body.append(new ScriptElement() |
| ..type = 'text/javascript' |
| ..innerHtml = r""" |
| var Foo = { |
| get42: function(b) { return arguments.length >= 1 ? b : 42; } |
| }; |
| """); |
| } |
| |
| @JS() |
| class Foo { |
| external static num get42([num b = 3 |
| // TODO(41375): This should be a static error. It's invalid to have a |
| // default value. |
| ]); |
| } |
| |
| main() { |
| _injectJs(); |
| |
| test('call tearoff from dart with default', () { |
| var f = Foo.get42; |
| // Note: today both SSA and CPS remove the extra argument on static calls, |
| // but they fail to do so on tearoffs. |
| expect(f(), 3); |
| // TODO(41375): Remove this once the above is resolved. This is temporary |
| // to track this test failure. |
| throw ("This test should not execute. It should fail to compile above."); |
| }); |
| } |