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// 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 isElement = predicate((x) => x is Element, 'is an Element');
var isCanvasElement =
predicate((x) => x is CanvasElement, 'is a CanvasElement');
var isDivElement = predicate((x) => x is DivElement, 'is a isDivElement');
var div = new DivElement();
div.id = 'test';
document.body!.append(div);
div.nodes.addAll([
new DivElement(),
new CanvasElement(),
new DivElement(),
new Text('Hello'),
new DivElement(),
new Text('World'),
new CanvasElement()
]);
test('querySelectorAll', () {
List<Node> all = querySelectorAll('*');
for (var e in all) {
expect(e, isElement);
}
});
test('document.querySelectorAll', () {
List<Element> all1 = querySelectorAll('*');
List<Element> all2 = document.querySelectorAll('*');
expect(all1.length, equals(all2.length));
for (var i = 0; i < all1.length; ++i) {
expect(all1[i], equals(all2[i]));
}
});
test('querySelectorAll-canvas', () {
var all = querySelectorAll('canvas');
for (var e in all) {
expect(e, isCanvasElement);
}
expect(all.length, equals(2));
});
test('querySelectorAll-contains', () {
List<Element> all = querySelectorAll('*');
for (var e in all) {
expect(all.contains(e), isTrue);
}
});
test('querySelectorAll-where', () {
List<Element> all = querySelectorAll('*');
var canvases = all.where((e) => e is CanvasElement);
for (var e in canvases) {
expect(e is CanvasElement, isTrue);
}
expect(canvases.length, equals(2));
});
test('node.querySelectorAll', () {
List<Element> list = div.querySelectorAll('*');
expect(list.length, equals(5));
expect(list[0], isDivElement);
expect(list[1], isCanvasElement);
expect(list[2], isDivElement);
expect(list[3], isDivElement);
expect(list[4], isCanvasElement);
});
test('immutable', () {
List<Element> list = div.querySelectorAll('*');
int len = list.length;
expect(() {
list.add(new DivElement());
}, throwsUnsupportedError);
expect(list.length, equals(len));
});
}