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7baeabe0e4
https://github.com/dart-lang/co19/issues/1090 TEST=Standard tryjobs, all changes are in test code only. Change-Id: Ie73174447ab165827335652cf035f85b7510ab55 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/201564 Commit-Queue: Alexander Thomas <athom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>
33 lines
643 B
Dart
33 lines
643 B
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import 'dart:_runtime' as dart;
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import 'package:expect/expect.dart';
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import 'package:js/js.dart';
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final e = Expando<int>();
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@JS()
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external void eval(String s);
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@JS()
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external Object get singleton;
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void main() {
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eval('''
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if (!self.singleton) {
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self.singleton = {};
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}
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''');
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var o = singleton;
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Expect.equals(null, e[o]);
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e[o] = 1;
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dart.hotRestart();
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Expect.equals(null, e[o]);
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}
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