dart-sdk/tests/dart2js_2/expose_this1_test.dart
Joshua Litt 05ca544f15 [dart2js] Move tests/compiler/dart2js_extra to tests/dart2js_2.
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242
Commit-Queue: Joshua Litt <joshualitt@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2020-06-03 15:15:30 +00:00

37 lines
716 B
Dart

// Copyright (c) 2017, 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
// Regression test for dart2js inference. Class.field6b should be known to be
// potentially `null`.
import 'package:expect/expect.dart';
class Class6 {
var field6a;
var field6b;
Class6() : field6a = 42 {
field6b = field6a;
}
}
class SubClass6 extends Class6 {
var field6b;
SubClass6() : field6b = 42;
get access => super.field6b;
}
subclassField2() {
new Class6();
return new SubClass6().access;
}
main() {
Expect.isTrue(subclassField2() == null);
}