Files
webcomponentsjs/tests/WebComponents/html/dom.html
2015-12-15 13:53:16 -08:00

123 lines
3.8 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<head>
<meta charset="UTF-8">
<title>WebComponents dom tests</title>
<script src="../../../../web-component-tester/browser.js"></script>
<script src="../../../webcomponents.js"></script>
</head>
<body>
<script>
suite('WebComponents DOM utils', function() {
test('window.performance', function(done) {
assert(window.performance);
assert.isFunction(window.performance.now);
var s = performance.now();
setTimeout(function() {
e = performance.now();
assert.isAbove(e - s, 200);
done();
}, 200);
});
test('requestAnimationFrame', function(done) {
assert.isFunction(window.requestAnimationFrame);
var id = requestAnimationFrame(function() {
done();
});
assert.ok(id);
});
test('cancelAnimationFrame', function(done) {
assert.isFunction(window.cancelAnimationFrame);
var ran = false;
var id = requestAnimationFrame(function(){
ran = true;
});
cancelAnimationFrame(id);
setTimeout(function() {
assert.isFalse(ran);
done();
}, 100);
});
test('CustomEvent constructor', function() {
assert.isFunction(window.CustomEvent);
var detail = {};
var e = new CustomEvent('foo', {bubbles: true, cancelable: true, detail: detail});
assert(e);
assert.equal(e.type, 'foo');
assert.isTrue(e.bubbles);
assert.isTrue(e.cancelable);
assert.equal(e.detail, detail);
e = new CustomEvent('bar');
assert(e);
assert.equal(e.type, 'bar');
assert.isFalse(e.bubbles);
assert.isFalse(e.cancelable);
assert.notOk(e.detail);
});
test('Event constructor', function() {
assert.isFunction(window.Event);
var e = new Event('foo', {bubbles: true, cancelable: true});
assert(e);
assert.equal(e.type, 'foo');
assert.isTrue(e.bubbles);
assert.isTrue(e.cancelable);
e = new Event('bar');
assert(e);
assert.equal(e.type, 'bar');
assert.isFalse(e.bubbles);
assert.isFalse(e.cancelable);
});
test('event defaultPrevented', function() {
var e = new Event('foo', {cancelable: true});
e.preventDefault();
assert.isTrue(e.defaultPrevented);
// call again, just in case
assert.doesNotThrow(function() {e.preventDefault(); });
});
test('CustomEvent defaultPrevented', function() {
var e = new CustomEvent('foo', {cancelable: true});
e.preventDefault();
assert.isTrue(e.defaultPrevented);
// call again, just in case
assert.doesNotThrow(function() {e.preventDefault(); });
});
test('dispatch and prevent', function() {
var el = document.createElement('div');
document.body.appendChild(el);
var fn = function(e) {
e.preventDefault();
};
var check = function check(e) {
assert.isTrue(e.defaultPrevented);
document.body.removeEventListener('foo', check);
document.body.removeChild(el);
};
el.addEventListener('foo', fn);
document.body.addEventListener('foo', check);
var e = new CustomEvent('foo', {cancelable: true, bubbles: true});
el.dispatchEvent(e);
assert.isTrue(e.defaultPrevented);
});
});
</script>
</body>
</html>