blob: 82ffa2fa57945bbbaa00a5e45af3e57d0b459e91 [file] [log] [blame]
// 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);
});
}