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sdk/tests/lib_2/html/shadowroot_test.dart
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Jakob Roland Andersen d2cd2a4720 Migrated test batch 209 to Dart 2.0.
Bug:
Change-Id: If23630da318547e3beaf417a5ad97b30f6ffcbd3
Reviewed-on: https://dart-review.googlesource.com/10340
Reviewed-by: Florian Loitsch <floitsch@google.com>
Commit-Queue: Jakob Roland Andersen <jakobr@google.com>
2017-10-03 13:02:49 +00:00

26 lines
792 B
Dart

// Copyright (c) 2012, 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/minitest.dart';
main() {
var isShadowRoot = predicate((x) => x is ShadowRoot, 'is a ShadowRoot');
test('ShadowRoot supported', () {
var isSupported = ShadowRoot.supported;
// If it's supported, then it should work. Otherwise should fail.
if (isSupported) {
var div = new DivElement();
var shadowRoot = div.createShadowRoot();
expect(shadowRoot, isShadowRoot);
expect(div.shadowRoot, shadowRoot);
} else {
expect(() => new DivElement().createShadowRoot(), throws);
}
});
}