Johnni Winther
5e263044e8
This makes closed world computation take the static type of the receiver into account and removes non-live members from the J-world. Change-Id: I5547aaae4685c6417a94916df0bc4e621296ce8d Reviewed-on: https://dart-review.googlesource.com/72643 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Stephen Adams <sra@google.com>
68 lines
1.4 KiB
Dart
68 lines
1.4 KiB
Dart
// Copyright (c) 2018, 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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@JS()
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library mock;
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import 'package:js/js.dart';
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import 'package:expect/minitest.dart';
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@JS('Node')
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class Node {}
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@JS('HTMLDocument')
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class Document extends Node {
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external Element get body;
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}
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@JS()
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external get foo;
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@JS()
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external Document get document;
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@JS('Element')
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class Element extends Node {
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external String get tagName;
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}
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class MockDocument implements Document {
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final Element body = new MockElement();
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}
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class MockElement implements Element {
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final tagName = 'MockBody';
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}
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void main() {
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test('js', () {
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var f = foo;
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expect(f, isNull);
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var doc = document;
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expect(doc is Document, isTrue);
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// Fails in dart2js
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//expect(doc is! Element, isTrue);
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expect(doc is Node, isTrue);
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expect(doc is! MockDocument, isTrue);
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expect(doc is! MockElement, isTrue);
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});
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test('mock', () {
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var doc = new MockDocument();
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expect(doc is Document, isTrue);
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// Fails in dart2js
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// expect(doc is! Element, isTrue);
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expect(doc is Node, isTrue);
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var body = doc.body;
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// Fails in dart2js
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// expect(body is! Document, isTrue);
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expect(body is Element, isTrue);
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expect(body is Node, isTrue);
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});
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}
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