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<!DOCTYPE html>
<html>
<head>
<title>All other callbacks must not be enqueued until after the created callback's invocation had started</title>
<meta name="author" title="Aleksei Yu. Semenov" href="mailto:a.semenov@unipro.ru">
<meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
<meta name="assert" content="All other callbacks must not be enqueued until after the created callback's invocation had started.">
<link rel="help" href="http://www.w3.org/TR/custom-elements/#types-of-callbacks">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
</head>
<body>
<div id="log"></div>
<script>
function newPrototypeWithCallbackLog() {
var proto = Object.create(HTMLElement.prototype);
proto.callbackLog = [];
proto.createdCallback = function() {
proto.callbackLog.push('created');
};
proto.attachedCallback = function() {
proto.callbackLog.push('attached');
};
proto.attributeChangedCallback = function() {
proto.callbackLog.push('attributeChanged');
};
proto.detachedCallback = function() {
proto.callbackLog.push('detached');
};
return proto;
}
testInIFrame('../../resources/blank.html', function(doc) {
var proto = newPrototypeWithCallbackLog();
doc.registerElement('x-a', {prototype: proto});
doc.body.innerHTML = '<x-a></x-a>';
assert_equals(proto.callbackLog[0], 'created', 'The callback ' +
proto.callbackLog[0] + ' should be enqueued after created callback');
assert_in_array('attached', proto.callbackLog, 'The callback ' +
'attached should be called');
}, 'Test attached callback is enqueued after created callback');
testInIFrame('../../resources/blank.html', function(doc) {
var proto = newPrototypeWithCallbackLog();
doc.registerElement('x-b', {prototype: proto});
doc.body.innerHTML = '<x-b id="x-b"></x-b>';
var customElement = doc.querySelector('#x-b');
customElement.setAttribute('key', 'value');
assert_equals(proto.callbackLog[0], 'created', 'The callback ' +
proto.callbackLog[0] + ' should not be enqueued before created callback');
assert_in_array('attributeChanged', proto.callbackLog,
'The callback attributeChanged should be called');
}, 'Test attributeChanged callback is enqueued after created callback. ' +
'Document has browsing context');
test(function() {
var doc = newHTMLDocument();
var proto = newPrototypeWithCallbackLog();
doc.registerElement('x-c', {prototype: proto});
doc.body.innerHTML = '<x-c id="x-c"></x-c>';
var customElement = doc.querySelector('#x-c');
customElement.setAttribute('key', 'value');
assert_equals(proto.callbackLog[0], 'created', 'The callback ' +
proto.callbackLog[0] + ' should not be enqueued before created callback');
assert_in_array('attributeChanged', proto.callbackLog,
'The callback attributeChanged should be called');
}, 'Test attributeChanged callback is enqueued after created callback. ' +
'Document has no browsing context');
testInIFrame('../../resources/x-element.html', function(doc) {
var proto = newPrototypeWithCallbackLog();
doc.registerElement('x-element', {prototype: proto});
var customElement = doc.querySelector('#x-element');
doc.body.removeChild(customElement);
assert_equals(proto.callbackLog[0], 'created', 'The callback ' +
proto.callbackLog[0] + ' should not be enqueued before created callback');
assert_in_array('detached', proto.callbackLog,
'The callback detached should be called');
}, 'Test detached callback is enqueued after created callback.');
test(function() {
var doc = newHTMLDocument();
var proto1 = newPrototypeWithCallbackLog();
proto1.createdCallback = function() {
proto1.callbackLog.push('created');
var xe = doc.querySelector('#x-e');
xe.setAttribute('key', 'value');
};
var proto2 = newPrototypeWithCallbackLog();
doc.registerElement('x-d', {prototype: proto1});
doc.registerElement('x-e', {prototype: proto2});
doc.body.innerHTML = '<x-d><x-e id="x-e"></x-e></x-d>';
assert_array_equals(proto2.callbackLog, ['created'],
'attributeChanged callback should not be enqueued before created callback');
}, 'Test attributeChanged callback is not enqueued before created callback started. ' +
'Document has no browsing context');
testInIFrame('../../resources/blank.html', function(doc) {
var proto1 = newPrototypeWithCallbackLog();
proto1.createdCallback = function() {
proto1.callbackLog.push('created');
var xe = doc.querySelector('#x-g');
xe.setAttribute('key', 'value');
};
var proto2 = newPrototypeWithCallbackLog();
doc.registerElement('x-f', {prototype: proto1});
doc.registerElement('x-g', {prototype: proto2});
doc.body.innerHTML = '<x-f><x-g id="x-g"></x-g></x-f>';
assert_array_equals(proto2.callbackLog, ['created', 'attached'],
'attributeChanged callback should not be called before created callback started');
}, 'Test attributeChanged callback is not enqueued before created callback started. ' +
'Document has browsing context');
test(function() {
var doc = newHTMLDocument();
var proto = newPrototypeWithCallbackLog();
proto.createdCallback = function() {
proto.callbackLog.push('created');
this.setAttribute('key', 'value');
};
doc.registerElement('x-h', {prototype: proto});
doc.body.innerHTML = '<x-h></x-h>';
assert_array_equals(proto.callbackLog, ['created', 'attributeChanged'],
'attributeChanged callback should be enqueued after created callback');
}, 'Test attributeChanged callback is enqueued after created callback started. ' +
'Document has no browsing context');
testInIFrame('../../resources/blank.html', function(docWithBrowsingContext) {
var docNoBrowsingContext = newHTMLDocument();
var proto1 = newPrototypeWithCallbackLog();
var proto2 = newPrototypeWithCallbackLog();
proto1.createdCallback = function() {
proto1.callbackLog.push('created');
var xk = docNoBrowsingContext.querySelector('#x-k');
assert_equals(proto2.callbackLog.length, 0, 'Created callback for x-k ' +
'should not be called before created callback for x-i');
docWithBrowsingContext.body.appendChild(xk);
};
docNoBrowsingContext.registerElement('x-i', {prototype: proto1});
docNoBrowsingContext.registerElement('x-k', {prototype: proto2});
docNoBrowsingContext.body.innerHTML = '<x-i><x-k id="x-k"></x-k></x-i>';
// Though at the moment of inserting <x-k> into docWithBrowsingContext
// created callback is not called for <x-k> yet, attached calback is enqueued
// anyway. Because specification for setting custom element prototype algorithm reads:
// ....
// 3. If ELEMENT is in a document and this document has a browsing context:
// 1. Enqueue attached callback for ELEMENT
//
// Changes in the specification will follow, to reflect this exceptional case.
assert_array_equals(proto2.callbackLog, ['created', 'attached'],
'attached callback should be enqueued when custom element prototype is set');
}, 'Test attached callback is enqueued after created callback, but before created callback had started');
testInIFrame('../../resources/blank.html', function(docWithBrowsingContext) {
var docNoBrowsingContext = newHTMLDocument();
var proto = newPrototypeWithCallbackLog();
proto.createdCallback = function() {
proto.callbackLog.push('created');
docWithBrowsingContext.body.appendChild(this);
};
docNoBrowsingContext.registerElement('x-l', {prototype: proto});
docNoBrowsingContext.body.innerHTML = '<x-l></x-l>';
assert_array_equals(proto.callbackLog, ['created', 'attached'],
'attached callback should be enqueued after created callback had started');
}, 'Test attached callback is enqueued after created callback had started');
testInIFrame('../../resources/blank.html', function(doc) {
var proto1 = newPrototypeWithCallbackLog();
var proto2 = newPrototypeWithCallbackLog();
proto1.createdCallback = function() {
proto1.callbackLog.push('created');
var xn = doc.querySelector('#x-n');
assert_equals(proto2.callbackLog.length, 0, 'Created callback for x-n ' +
'should not be called before created callback for x-m');
this.removeChild(xn);
};
doc.registerElement('x-m', {prototype: proto1});
doc.registerElement('x-n', {prototype: proto2});
doc.body.innerHTML = '<x-m><x-n id="x-n"></x-n></x-m>';
assert_array_equals(proto2.callbackLog, ['created'],
'detached callback should not be enqueued before created callback had started');
}, 'Test detached callback is not enqueued before created callback had started');
testInIFrame('../../resources/blank.html', function(doc) {
var proto = newPrototypeWithCallbackLog();
proto.createdCallback = function() {
proto.callbackLog.push('created');
this.remove();
};
doc.registerElement('x-o', {prototype: proto});
doc.body.innerHTML = '<x-o></x-o>';
assert_array_equals(proto.callbackLog, ['created', 'attached', 'detached'],
'detached callback should be enqueued after created callback had started');
}, 'Test detached callback is enqueued after created callback had started');
testInIFrame('../../resources/x-element.html', function(doc) {
var proto = newPrototypeWithCallbackLog();
doc.registerElement('x-element', {prototype: proto});
// Though at the moment of inserting <x-element> into the document
// created callback is not called for <x-element> yet, attached calback is enqueued
// anyway. Because specification for setting custom element prototype algorithm reads:
// ....
// 3. If ELEMENT is in a document and this document has a browsing context:
// 1. Enqueue attached callback for ELEMENT
//
// Changes in the specification will follow, to reflect this exceptional case.
assert_array_equals(proto.callbackLog, ['created', 'attached'],
'attached callback should be enqueued when custom element prototype is set');
}, 'Test attached callback is enqueued after created callback after registration ' +
'of custom element type');
</script>
</body>
</html>
|
