Files
sdk/tests/lib/html/hidden_dom_2_test.dart
Robert Nystrom 4cc31f8f4f Reformat tests/lib/html using 3.8 formatting style.
There are no behavioral changes here, I just ran `dart format` on the
`tests/lib/html/` directory.

Change-Id: I221b2a370adc393e49621db1d37aa6eeb09b3015
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425329
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
2025-04-29 19:23:05 -07:00

40 lines
1.0 KiB
Dart

// Copyright (c) 2020, 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.
import 'dart:html';
import 'package:expect/legacy/minitest.dart'; // ignore: deprecated_member_use_from_same_package
// Test that the dart:html API does not leak native jsdom methods:
// appendChild operation.
main() {
test('test1', () {
document.body!.children.add(
new Element.html(r'''
<div id='div1'>
Hello World!
</div>'''),
);
Element? e = document.querySelector('#div1');
Element e2 = new Element.html(r"<div id='xx'>XX</div>");
expect(e, isNotNull);
expect(() {
confuse(e!).appendChild(e2);
}, throwsNoSuchMethodError);
});
}
class Decoy {
void appendChild(x) {
throw 'dead code';
}
}
confuse(x) => opaqueTrue() ? x : (opaqueTrue() ? new Object() : new Decoy());
/** Returns `true`, but in a way that confuses the compiler. */
opaqueTrue() => true; // Expand as needed.