<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=887541
-->
<head>
<title>Test for event model in web components</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=887541">Bug 887541</a>
<script>
var els = SpecialPowers.Cc["@mozilla.org/eventlistenerservice;1"]
.getService(SpecialPowers.Ci.nsIEventListenerService);
function eventListener(e) {
eventChain.push(this);
}
function isEventChain(actual, expected, msg) {
is(actual.length, expected.length, msg);
for (var i = 0; i < expected.length; i++) {
is(actual[i], expected[i], msg + " at " + i);
}
// Check to make sure the event chain matches what we get back from nsIEventListenerService.getEventTargetChainFor
if (0 < actual.length) {
var chain = els.getEventTargetChainFor(actual[0], true); // Events should be dispatched on actual[0].
for (var i = 0; i < expected.length; i++) {
ok(SpecialPowers.compare(chain[i], expected[i]), msg + " at " + i + " for nsIEventListenerService");
}
}
}
/*
* Test 1: Test of event dispatch through a basic ShadowRoot with content a insertion point.
*
* <div elemOne> ------ <shadow-root shadowOne>
* | |
* <div elemTwo> <span elemThree>
* |
* <content elemFour>
*/
var elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
var elemTwo = document.createElement("div");
elemTwo.addEventListener("custom", eventListener);
var elemThree = document.createElement("span");
elemThree.addEventListener("custom", eventListener);
var elemFour = document.createElement("content");
elemFour.addEventListener("custom", eventListener);
var shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
elemThree.appendChild(elemFour);
shadowOne.appendChild(elemThree);
elemOne.appendChild(elemTwo);
var eventChain = [];
var customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemTwo.dispatchEvent(customEvent);
isEventChain(eventChain, [elemTwo, elemFour, elemThree, shadowOne, elemOne], "Event path for test 1 for event dispatched on elemTwo.");
/*
* Test 2: Test of event dispatch through a nested ShadowRoots with content insertion points.
*
* <div elemFive> --- <shadow-root shadowTwo>
* | |
* <div elemOne> <div elemFour> ----- <shadow-root shadowOne>
* | |
* <content elemTwo> <p elemSix>
* |
* <content elemThree>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("content");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("content");
elemThree.addEventListener("custom", eventListener);
var elemFour = document.createElement("div");
elemFour.addEventListener("custom", eventListener);
var elemFive = document.createElement("div");
elemFive.addEventListener("custom", eventListener);
var elemSix = document.createElement("p");
elemSix.addEventListener("custom", eventListener);
var shadowOne = elemFour.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
var shadowTwo = elemFive.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
elemFive.appendChild(elemOne);
shadowTwo.appendChild(elemFour);
elemFour.appendChild(elemTwo);
shadowOne.appendChild(elemSix);
elemSix.appendChild(elemThree);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemOne.dispatchEvent(customEvent);
is(elemOne.getDestinationInsertionPoints().length, 2, "yes");
isEventChain(eventChain, [elemOne, elemThree, elemSix, shadowOne, elemTwo, elemFour, shadowTwo, elemFive], "Event path for test 2 for event dispatched on elemOne.");
/*
* Test 3: Test of event dispatch through nested ShadowRoot with content insertion points.
*
* <div elemOne> ------- <shadow-root shadowOne>
* | |
* <span elemTwo> <span elemThree> ------------ <shadow-root shadowTwo>
* | |
* <span elemFour> <content elemSix>
* |
* <content elemFive>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("span");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("span");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("span");
elemFour.addEventListener("custom", eventListener);
elemFive = document.createElement("content");
elemFive.addEventListener("custom", eventListener);
elemSix = document.createElement("content");
elemSix.addEventListener("custom", eventListener);
shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
shadowTwo = elemThree.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
elemOne.appendChild(elemTwo);
shadowOne.appendChild(elemThree);
elemThree.appendChild(elemFour);
elemFour.appendChild(elemFive);
shadowTwo.appendChild(elemSix);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemTwo.dispatchEvent(customEvent);
isEventChain(eventChain, [elemTwo, elemFive, elemFour, elemSix, shadowTwo, elemThree, shadowOne, elemOne], "Event path for test 3 for event dispatched on elemTwo.");
/*
* Test 4: Test of event dispatch through host with multiple ShadowRoots with shadow insertion point.
*
* <div elemSeven> --- <shadow-root shadowTwo> (younger ShadowRoot)
* | | |
* <div elemOne> | <div elemSix> -------- <shadow-root shadowOne>
* | | |
* | <shadow elemFour> <content elemFive>
* | |
* | <content elemTwo>
* |
* --- <shadow-root shadowThree> (older ShadowRoot)
* | |
* | <content elemThree>
* |
* <div elemEight>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("content");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("content");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("shadow");
elemFour.addEventListener("custom", eventListener);
elemFive = document.createElement("content");
elemFive.addEventListener("custom", eventListener);
elemSix = document.createElement("div");
elemSix.addEventListener("custom", eventListener);
var elemSeven = document.createElement("div");
elemSeven.addEventListener("custom", eventListener);
var elemEight = document.createElement("div");
elemEight.addEventListener("custom", eventListener);
var shadowThree = elemSeven.createShadowRoot();
shadowThree.addEventListener("custom", eventListener);
shadowTwo = elemSeven.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
shadowOne = elemSix.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
elemSeven.appendChild(elemOne);
shadowTwo.appendChild(elemSix);
elemSix.appendChild(elemFour);
elemFour.appendChild(elemTwo);
shadowThree.appendChild(elemEight);
shadowThree.appendChild(elemThree);
shadowOne.appendChild(elemFive);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemOne.dispatchEvent(customEvent);
isEventChain(eventChain, [elemOne, elemFive, shadowOne, elemThree, shadowThree, elemTwo, elemFour, elemSix, shadowTwo, elemSeven], "Event path for test 4 for event dispatched on elemOne.");
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemEight.dispatchEvent(customEvent);
isEventChain(eventChain, [elemEight, elemFive, shadowOne, elemSix, shadowTwo, elemSeven], "Event path for test 4 for event dispatched on elemEight.");
/*
* Test 5: Test of event dispatch through nested shadowroot with insertion points that match specific tags.
*
* <div elemOne> --------- <shadow-root shadowOne>
* | | |
* | <p elemThree> <span elemFour> ------------------------ <shadow-root shadowTwo>
* | | | |
* <span elemTwo> | <content select="p" elemFive> <content elemSeven>
* |
* <content select="span" elemSix>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("span");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("p");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("span");
elemFour.addEventListener("custom", eventListener);
elemFive = document.createElement("content");
elemFive.select = "p";
elemFive.addEventListener("custom", eventListener);
elemSix = document.createElement("content");
elemSix.select = "span";
elemSix.addEventListener("custom", eventListener);
elemSeven = document.createElement("content");
elemSeven.addEventListener("custom", eventListener);
shadowTwo = elemFour.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
elemOne.appendChild(elemTwo);
elemOne.appendChild(elemThree);
shadowOne.appendChild(elemFour);
elemFour.appendChild(elemSix);
elemFour.appendChild(elemFive);
shadowTwo.appendChild(elemSeven);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemTwo.dispatchEvent(customEvent);
isEventChain(eventChain, [elemTwo, elemSeven, shadowTwo, elemSix, elemFour, shadowOne, elemOne], "Event path for test 5 for event dispatched on elemTwo.");
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemSeven, shadowTwo, elemFive, elemFour, shadowOne, elemOne], "Event path for test 5 for event dispatched on elemThree.");
/*
* Test 6: Test of event dispatch through nested shadowroot with insertion points that match specific tags.
*
* <div elemOne> --------- <shadow-root shadowOne>;
* | | |
* | <p elemThree> <span elemFour> ------ <shadow-root shadowTwo>
* | | | |
* <span elemTwo> <content elemFive> | <content select="p" elemSeven>
* |
* <content select="span" elemSix>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("span");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("p");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("span");
elemFour.addEventListener("custom", eventListener);
elemFive = document.createElement("content");
elemFive.addEventListener("custom", eventListener);
elemSix = document.createElement("content");
elemSix.select = "span";
elemSix.addEventListener("custom", eventListener);
elemSeven = document.createElement("content");
elemSeven.select = "p";
elemSeven.addEventListener("custom", eventListener);
shadowTwo = elemFour.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
elemOne.appendChild(elemTwo);
elemOne.appendChild(elemThree);
shadowOne.appendChild(elemFour);
elemFour.appendChild(elemFive);
shadowTwo.appendChild(elemSix);
shadowTwo.appendChild(elemSeven);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemTwo.dispatchEvent(customEvent);
isEventChain(eventChain, [elemTwo, elemSix, shadowTwo, elemFive, elemFour, shadowOne, elemOne], "Event path for test 6 for event dispatched on elemTwo.");
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemSeven, shadowTwo, elemFive, elemFour, shadowOne, elemOne], "Event path for test 6 for event dispatched on elemThree.");
/*
* Test 7: Test of event dispatch through nested shadowroot with insertion points that match specific tags.
*
* <div elemOne> --------- <shadow-root shadowOne>
* | | |
* | <p elemThree> <span elemFour> ------ <shadow-root shadowTwo>
* | | |
* <span elemTwo> <content elemFive> <span elemEight>
* | |
* | <content select="p" elemSeven>
* |
* <content select="span" elemSix>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("span");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("p");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("span");
elemFour.addEventListener("custom", eventListener);
elemFive = document.createElement("content");
elemFive.addEventListener("custom", eventListener);
elemSix = document.createElement("content");
elemSix.select = "span";
elemSix.addEventListener("custom", eventListener);
elemSeven = document.createElement("content");
elemSeven.select = "p";
elemSeven.addEventListener("custom", eventListener);
elemEight = document.createElement("span");
elemEight.addEventListener("custom", eventListener);
shadowTwo = elemFour.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
elemOne.appendChild(elemTwo);
elemOne.appendChild(elemThree);
shadowOne.appendChild(elemFour);
elemFour.appendChild(elemFive);
shadowTwo.appendChild(elemEight);
elemEight.appendChild(elemSix);
elemEight.appendChild(elemSeven);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemTwo.dispatchEvent(customEvent);
isEventChain(eventChain, [elemTwo, elemSix, elemEight, shadowTwo, elemFive, elemFour, shadowOne, elemOne], "Event path for test 7 for event dispatched on elemTwo.");
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, elemSeven, elemEight, shadowTwo, elemFive, elemFour, shadowOne, elemOne], "Event path for test 7 for event dispatched on elemThree.");
/*
* Test 8: Test of event dispatch through host with multiple ShadowRoots with shadow insertion point.
*
* <div elemOne> --- <shadow-root shadowOne> (younger ShadowRoot)
* | |
* | <div elemFour>
* | |
* | <shadow elemTwo>
* |
* --- <shadow-root shadowTwo> (older ShadowRoot)
* |
* <div elemThree>
*/
elemOne = document.createElement("div");
elemOne.addEventListener("custom", eventListener);
elemTwo = document.createElement("shadow");
elemTwo.addEventListener("custom", eventListener);
elemThree = document.createElement("div");
elemThree.addEventListener("custom", eventListener);
elemFour = document.createElement("div");
elemFour.addEventListener("custom", eventListener);
shadowTwo = elemOne.createShadowRoot();
shadowTwo.addEventListener("custom", eventListener);
shadowOne = elemOne.createShadowRoot();
shadowOne.addEventListener("custom", eventListener);
shadowOne.appendChild(elemFour);
elemFour.appendChild(elemTwo);
shadowTwo.appendChild(elemThree);
eventChain = [];
customEvent = new CustomEvent("custom", { "bubbles" : true, "composed" : true });
elemThree.dispatchEvent(customEvent);
isEventChain(eventChain, [elemThree, shadowTwo, elemTwo, elemFour, shadowOne, elemOne], "Event path for test 8 for event dispatched on elemThree.");
</script>
</body>
</html>