dart-sdk/tests/lib/html/track_element_constructor_test.dart
Srujan Gaddam 63a57a76ce [dart:html] Revert "[dart:html] Revert commits using MDN compatibility info"
This reverts commit f8ff12008e.

This CL is a revert of the initial revert and should be landed once
Flutter changes have been merged to handle the changes here.

Change-Id: I300a5efd776bf2a596743971f4e15ad62da77f5a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153368
Commit-Queue: Srujan Gaddam <srujzs@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2020-07-14 23:18:43 +00:00

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Dart

// Copyright (c) 2013, 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.
// A regression test for dart2js generating illegal JavaScript code
// dynamically in non-csp mode. The name of the field "defaultValue"
// in JavaScript is "default". This meant that dart2js would create a
// constructor function that looked like this:
//
// function TrackElement(default) { this.default = default; }
import 'dart:html';
import 'package:expect/minitest.dart';
void main() {
test('', () {
if (!TrackElement.supported) return;
document.body!.append(new TrackElement()..defaultValue = true);
var trackElement = document.querySelector('track') as TrackElement;
if (!trackElement.defaultValue!) {
throw 'Expected default value to be true';
}
trackElement.defaultValue = false;
if (trackElement.defaultValue!) {
throw 'Expected default value to be false';
}
});
}