Files
sdk/tests/lib/html/query_test.dart
T
Srujan Gaddam 5b2482004b [dart:html] Migrate tests that need changes to NNBD
Remaining tests that don't belong to any real test suite, but
need some changes beyond just null asserts to be migrated.

Change-Id: I91c0cb02eb72ada572a10c567b5d8bac596b16a4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142445
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2020-04-06 20:41:14 +00:00

53 lines
1.4 KiB
Dart

// Copyright (c) 2011, 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() {
final div = new DivElement();
final canvas = new CanvasElement(width: 200, height: 200);
canvas.id = 'testcanvas';
final element = new Element.html("<div><br/><img/><input/><img/></div>");
document.body!.nodes.addAll([div, canvas, element]);
var isCanvasElement =
predicate((x) => x is CanvasElement, 'is a CanvasElement');
var isImageElement =
predicate((x) => x is ImageElement, 'is an ImageElement');
test('query', () {
Element? e = querySelector('#testcanvas');
expect(e, isNotNull);
expect(e!.id, 'testcanvas');
expect(e, isCanvasElement);
expect(e, canvas);
});
test('query (None)', () {
Element? e = querySelector('#nothere');
expect(e, isNull);
});
test('queryAll (One)', () {
List l = querySelectorAll('canvas');
expect(l.length, 1);
expect(l[0], canvas);
});
test('queryAll (Multiple)', () {
List l = querySelectorAll('img');
expect(l.length, 2);
expect(l[0], isImageElement);
expect(l[1], isImageElement);
expect(l[0] == l[1], isFalse);
});
test('queryAll (None)', () {
List l = querySelectorAll('video');
expect(l.isEmpty, isTrue);
});
}