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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=
-->
<head>
<meta charset="utf-8">
<title>Test for Bug </title>
<script type="application/javascript" 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;version=1.8" src="inspector-helpers.js"></script>
<script type="application/javascript;version=1.8">
const inspector = require("devtools/shared/fronts/inspector");
window.onload = function() {
SimpleTest.waitForExplicitFinish();
runNextTest();
}
var gInspectee = null;
var gWalker = null;
var gClient = null;
var gCleanupConnection = null;
function setup(callback) {
let url = document.getElementById("inspectorContent").href;
gCleanupConnection = attachURL(url, function(err, client, tab, doc) {
gInspectee = doc;
let {InspectorFront} = require("devtools/shared/fronts/inspector");
let inspector = InspectorFront(client, tab);
promiseDone(inspector.getWalker().then(walker => {
gClient = client;
gWalker = walker;
}).then(callback));
});
}
function teardown() {
gWalker = null;
gClient = null;
gInspectee = null;
if (gCleanupConnection) {
gCleanupConnection();
gCleanupConnection = null;
}
}
function assertOwnership() {
let num = assertOwnershipTrees(gWalker);
}
function setParent(nodeSelector, newParentSelector) {
let node = gInspectee.querySelector(nodeSelector);
if (newParentSelector) {
let newParent = gInspectee.querySelector(newParentSelector);
newParent.appendChild(node);
} else {
node.parentNode.removeChild(node);
}
}
function loadSelector(selector) {
return gWalker.querySelectorAll(gWalker.rootNode, selector).then(nodeList => {
return nodeList.items();
});
}
function loadSelectors(selectors) {
return promise.all(Array.from(selectors, (sel) => loadSelector(sel)));
}
function doMoves(moves) {
for (let move of moves) {
setParent(move[0], move[1]);
}
}
/**
* Test a set of tree rearrangements and make sure they cause the expected changes.
*/
var gDummySerial = 0;
function mutationTest(testSpec) {
return function() {
setup(() => {
promiseDone(loadSelectors(testSpec.load || ["html"]).then(() => {
gWalker.autoCleanup = !!testSpec.autoCleanup;
if (testSpec.preCheck) {
testSpec.preCheck();
}
doMoves(testSpec.moves || []);
// Some of these moves will trigger no mutation events,
// so do a dummy change to the root node to trigger
// a mutation event anyway.
gInspectee.documentElement.setAttribute("data-dummy", gDummySerial++);
gWalker.once("mutations", (mutations) => {
// Filter out our dummy mutation.
mutations = mutations.filter(change => {
if (change.type == "attributes" &&
change.attributeName == "data-dummy") {
return false;
}
return true;
});
assertOwnership();
if (testSpec.postCheck) {
testSpec.postCheck(mutations);
}
teardown();
runNextTest();
});
}));
})
}
}
// Verify that our dummy mutation works.
addTest(mutationTest({
autoCleanup: false,
postCheck: function(mutations) {
is(mutations.length, 0, "Dummy mutation is filtered out.");
}
}));
// Test a simple move to a different location in the sibling list for the same
// parent.
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist div"],
moves: [
["#a", "#longlist"]
],
postCheck: function(mutations) {
let remove = mutations[0];
is(remove.type, "childList", "First mutation should be a childList.")
ok(remove.removed.length > 0, "First mutation should be a removal.")
let add = mutations[1];
is(add.type, "childList", "Second mutation should be a childList removal.")
ok(add.added.length > 0, "Second mutation should be an addition.")
let a = add.added[0];
is(a.id, "a", "Added node should be #a");
is(a.parentNode(), remove.target, "Should still be a child of longlist.");
is(remove.target, add.target, "First and second mutations should be against the same node.");
}
}));
// Test a move to another location that is within our ownership tree.
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist div", "#longlist-sibling"],
moves: [
["#a", "#longlist-sibling"]
],
postCheck: function(mutations) {
let remove = mutations[0];
is(remove.type, "childList", "First mutation should be a childList.")
ok(remove.removed.length > 0, "First mutation should be a removal.")
let add = mutations[1];
is(add.type, "childList", "Second mutation should be a childList removal.")
ok(add.added.length > 0, "Second mutation should be an addition.")
let a = add.added[0];
is(a.id, "a", "Added node should be #a");
is(a.parentNode(), add.target, "Should still be a child of longlist.");
is(add.target.id, "longlist-sibling", "long-sibling should be the target.");
}
}));
// Move an unseen node with a seen parent into our ownership tree - should generate a
// childList pair with no adds or removes.
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist"],
moves: [
["#longlist-sibling", "#longlist"]
],
postCheck: function(mutations) {
is(mutations.length, 2, "Should generate two mutations");
is(mutations[0].type, "childList", "Should be childList mutations.");
is(mutations[0].added.length, 0, "Should have no adds.");
is(mutations[0].removed.length, 0, "Should have no removes.");
is(mutations[1].type, "childList", "Should be childList mutations.");
is(mutations[1].added.length, 0, "Should have no adds.");
is(mutations[1].removed.length, 0, "Should have no removes.");
}
}));
// Move an unseen node with an unseen parent into our ownership tree. Should only
// generate one childList mutation with no adds or removes.
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist div"],
moves: [
["#longlist-sibling-firstchild", "#longlist"]
],
postCheck: function(mutations) {
is(mutations.length, 1, "Should generate two mutations");
is(mutations[0].type, "childList", "Should be childList mutations.");
is(mutations[0].added.length, 0, "Should have no adds.");
is(mutations[0].removed.length, 0, "Should have no removes.");
}
}));
// Move a node between unseen nodes, should generate no mutations.
addTest(mutationTest({
autoCleanup: false,
load: ["html"],
moves: [
["#longlist-sibling", "#longlist"]
],
postCheck: function(mutations) {
is(mutations.length, 0, "Should generate no mutations.");
}
}));
// Orphan a node and don't clean it up
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist div"],
moves: [
["#longlist", null]
],
postCheck: function(mutations) {
is(mutations.length, 1, "Should generate one mutation.");
let change = mutations[0];
is(change.type, "childList", "Should be a childList.");
is(change.removed.length, 1, "Should have removed a child.");
let ownership = clientOwnershipTree(gWalker);
is(ownership.orphaned.length, 1, "Should have one orphaned subtree.");
is(ownershipTreeSize(ownership.orphaned[0]), 1 + 26 + 26, "Should have orphaned longlist, and 26 children, and 26 singleTextChilds");
}
}));
// Orphan a node, and do clean it up.
addTest(mutationTest({
autoCleanup: true,
load: ["#longlist div"],
moves: [
["#longlist", null]
],
postCheck: function(mutations) {
is(mutations.length, 1, "Should generate one mutation.");
let change = mutations[0];
is(change.type, "childList", "Should be a childList.");
is(change.removed.length, 1, "Should have removed a child.");
let ownership = clientOwnershipTree(gWalker);
is(ownership.orphaned.length, 0, "Should have no orphaned subtrees.");
}
}));
// Orphan a node by moving it into the tree but out of our visible subtree.
addTest(mutationTest({
autoCleanup: false,
load: ["#longlist div"],
moves: [
["#longlist", "#longlist-sibling"]
],
postCheck: function(mutations) {
is(mutations.length, 1, "Should generate one mutation.");
let change = mutations[0];
is(change.type, "childList", "Should be a childList.");
is(change.removed.length, 1, "Should have removed a child.");
let ownership = clientOwnershipTree(gWalker);
is(ownership.orphaned.length, 1, "Should have one orphaned subtree.");
is(ownershipTreeSize(ownership.orphaned[0]), 1 + 26 + 26, "Should have orphaned longlist, 26 children, and 26 singleTextChilds.");
}
}));
// Orphan a node by moving it into the tree but out of our visible subtree, and clean it up.
addTest(mutationTest({
autoCleanup: true,
load: ["#longlist div"],
moves: [
["#longlist", "#longlist-sibling"]
],
postCheck: function(mutations) {
is(mutations.length, 1, "Should generate one mutation.");
let change = mutations[0];
is(change.type, "childList", "Should be a childList.");
is(change.removed.length, 1, "Should have removed a child.");
let ownership = clientOwnershipTree(gWalker);
is(ownership.orphaned.length, 0, "Should have no orphaned subtrees.");
}
}));
addTest(function cleanup() {
delete gInspectee;
delete gWalker;
delete gClient;
runNextTest();
});
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </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>
|
