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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1157469
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1157469</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script type="application/javascript" src="inspector-helpers.js"></script>
<script type="application/javascript">
"use strict";
window.onload = function() {
SimpleTest.waitForExplicitFinish();
const prevPrefValue = Services.prefs.getBoolPref("devtools.chrome.enabled");
Services.prefs.setBoolPref("devtools.chrome.enabled", true);
let inspectee = null;
let inspector = null;
let walker = null;
const eventListener1 = function() {};
const eventListener2 = function() {};
let eventNode1;
let eventNode2;
let eventFront1;
let eventFront2;
addAsyncTest(async function setup() {
info("Setting up inspector and walker actors.");
const url = document.getElementById("inspectorContent").href;
const { target, doc } = await attachURL(url);
inspectee = doc;
inspector = await target.getFront("inspector");
walker = inspector.walker;
runNextTest();
});
addAsyncTest(async function setupEventTest() {
eventNode1 = inspectee.querySelector("#a");
eventNode2 = inspectee.querySelector("#b");
eventFront1 = await walker.querySelector(walker.rootNode, "#a");
eventFront2 = await walker.querySelector(walker.rootNode, "#b");
runNextTest();
});
addAsyncTest(async function testChangeEventListenerOnSingleNode() {
checkNodesHaveNoEventListener();
info("add event listener on a single node");
eventNode1.addEventListener("click", eventListener1);
let mutations = await waitForMutations();
is(mutations.length, 1, "one mutation expected");
is(mutations[0].target, eventFront1, "mutation targets eventFront1");
is(mutations[0].type, "events", "mutation type is events");
is(mutations[0].hasEventListeners, true,
"mutation target should have event listeners");
is(eventFront1.hasEventListeners, true, "eventFront1 should have event listeners");
info("remove event listener on a single node");
eventNode1.removeEventListener("click", eventListener1);
mutations = await waitForMutations();
is(mutations.length, 1, "one mutation expected");
is(mutations[0].target, eventFront1, "mutation targets eventFront1");
is(mutations[0].type, "events", "mutation type is events");
is(mutations[0].hasEventListeners, false,
"mutation target should have no event listeners");
is(eventFront1.hasEventListeners, false,
"eventFront1 should have no event listeners");
info("perform several event listener changes on a single node");
eventNode1.addEventListener("click", eventListener1);
eventNode1.addEventListener("click", eventListener2);
eventNode1.removeEventListener("click", eventListener1);
eventNode1.removeEventListener("click", eventListener2);
mutations = await waitForMutations();
is(mutations.length, 1, "one mutation expected");
is(mutations[0].target, eventFront1, "mutation targets eventFront1");
is(mutations[0].type, "events", "mutation type is events");
is(mutations[0].hasEventListeners, false,
"no event listener expected on mutation target");
is(eventFront1.hasEventListeners, false, "no event listener expected on node");
runNextTest();
});
addAsyncTest(async function testChangeEventsOnSeveralNodes() {
checkNodesHaveNoEventListener();
info("add event listeners on both nodes");
eventNode1.addEventListener("click", eventListener1);
eventNode2.addEventListener("click", eventListener2);
let mutations = await waitForMutations();
is(mutations.length, 2, "two mutations expected, one for each modified node");
// first mutation
is(mutations[0].target, eventFront1, "first mutation targets eventFront1");
is(mutations[0].type, "events", "mutation type is events");
is(mutations[0].hasEventListeners, true,
"mutation target should have event listeners");
is(eventFront1.hasEventListeners, true, "eventFront1 should have event listeners");
// second mutation
is(mutations[1].target, eventFront2, "second mutation targets eventFront2");
is(mutations[1].type, "events", "mutation type is events");
is(mutations[1].hasEventListeners, true,
"mutation target should have event listeners");
is(eventFront2.hasEventListeners, true, "eventFront1 should have event listeners");
info("remove event listeners on both nodes");
eventNode1.removeEventListener("click", eventListener1);
eventNode2.removeEventListener("click", eventListener2);
mutations = await waitForMutations();
is(mutations.length, 2, "one mutation registered for event listener change");
// first mutation
is(mutations[0].target, eventFront1, "first mutation targets eventFront1");
is(mutations[0].type, "events", "mutation type is events");
is(mutations[0].hasEventListeners, false,
"mutation target should have no event listeners");
is(eventFront1.hasEventListeners, false,
"eventFront2 should have no event listeners");
// second mutation
is(mutations[1].target, eventFront2, "second mutation targets eventFront2");
is(mutations[1].type, "events", "mutation type is events");
is(mutations[1].hasEventListeners, false,
"mutation target should have no event listeners");
is(eventFront2.hasEventListeners, false,
"eventFront2 should have no event listeners");
runNextTest();
});
addAsyncTest(async function testRemoveMissingEvent() {
checkNodesHaveNoEventListener();
info("try to remove an event listener not previously added");
eventNode1.removeEventListener("click", eventListener1);
info("set any attribute on the node to trigger a mutation");
eventNode1.setAttribute("data-attr", "somevalue");
const mutations = await waitForMutations();
is(mutations.length, 1, "expect only one mutation");
isnot(mutations.type, "events", "mutation type should not be events");
Services.prefs.setBoolPref("devtools.chrome.enabled", prevPrefValue);
runNextTest();
});
function checkNodesHaveNoEventListener() {
is(eventFront1.hasEventListeners, false,
"eventFront1 hasEventListeners should be false");
is(eventFront2.hasEventListeners, false,
"eventFront2 hasEventListeners should be false");
}
function waitForMutations() {
return new Promise(resolve => {
walker.once("mutations", mutations => {
resolve(mutations);
});
});
}
runNextTest();
};
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1157469">Mozilla Bug 1157469</a>
<a id="inspectorContent" target="_blank" href="inspector-traversal-data.html">Test Document</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>
|
