dart-sdk/tests/lib/html/js_typed_interop_anonymous2_test.dart
Srujan Gaddam 39509bae5f [dart:html] Migrate html js tests to NNBD
Change-Id: I01cf3de95f4d7c67f97d440187a2d7254c7daecc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140646
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2020-04-03 17:43:57 +00:00

51 lines
826 B
Dart

// Copyright (c) 2015, 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.
@JS()
library js_typed_interop_anonymous2_test;
import 'dart:html';
import 'dart:js' as js;
import 'package:js/js.dart';
import 'package:expect/minitest.dart';
@JS()
@anonymous
class A {
external factory A({B? b});
external B? get b;
}
@JS()
@anonymous
class B {
external factory B({C? c});
external C? get c;
}
@JS()
@anonymous
class C {
external factory C();
}
// D is unreachable, and that is OK
@JS()
@anonymous
class D {
external factory D();
}
main() {
test('simple', () {
var b = new B();
var a = new A(b: b);
expect(a.b, equals(b));
expect(b.c, isNull);
});
}