The Tor Browser: comparison toolkit/devtools/server/tests/mochitest/test

--1:000000000000
+:fbba8a850842
+<!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">
+Components.utils.import("resource://gre/modules/devtools/Loader.jsm");
+const {Promise: promise} = Components.utils.import("resource://gre/modules/Promise.jsm", {});
+const inspector = devtools.require("devtools/server/actors/inspector");
+window.onload = function() {
+SimpleTest.waitForExplicitFinish();
+runNextTest();
+}
+var gWalker = null;
+var gClient = null;
+var gInspectee = null;
+function assertOwnership() {
+return assertOwnershipTrees(gWalker);
+}
+addTest(function setup() {
+let url = document.getElementById("inspectorContent").href;
+attachURL(url, function(err, client, tab, doc) {
+gInspectee = doc;
+let {InspectorFront} = devtools.require("devtools/server/actors/inspector");
+let inspector = InspectorFront(client, tab);
+promiseDone(inspector.getWalker().then(walker => {
+ok(walker, "getWalker() should return an actor.");
+gClient = client;
+gWalker = walker;
+}).then(runNextTest));
+});
+});
+// Retain a node, and a second-order child (in another document, for kicks)
+// Release the parent of the top item, which should cause one retained orphan.
+// Then unretain the top node, which should retain the orphan.
+// Then change the source of the iframe, which should kill that orphan.
+addTest(function testRetain() {
+let originalOwnershipSize = 0;
+let bodyFront = null;
+let frameFront = null;
+let childListFront = null;
+// Get the toplevel body element and retain it.
+promiseDone(gWalker.querySelector(gWalker.rootNode, "body").then(front => {
+bodyFront = front;
+return gWalker.retainNode(bodyFront);
+}).then(() => {
+// Get an element in the child frame and retain it.
+return gWalker.querySelector(gWalker.rootNode, "#childFrame");
+}).then(frame => {
+frameFront = frame;
+return gWalker.children(frame, { maxNodes: 1 }).then(children => {
+return children.nodes[0];
+});
+}).then(childDoc => {
+return gWalker.querySelector(childDoc, "#longlist");
+}).then(list => {
+childListFront = list;
+originalOwnershipSize = assertOwnership();
+// and rtain it.
+return gWalker.retainNode(childListFront);
+}).then(() => {
+// OK, try releasing the parent of the first retained.
+return gWalker.releaseNode(bodyFront.parentNode());
+}).then(() => {
+let size = assertOwnership();
+let clientTree = clientOwnershipTree(gWalker);
+// That request should have freed the parent of the first retained
+// but moved the rest into the retained orphaned tree.
+is(ownershipTreeSize(clientTree.root) + ownershipTreeSize(clientTree.retained[0]) + 1,
+originalOwnershipSize,
+"Should have only lost one item overall.");
+is(gWalker._retainedOrphans.size, 1, "Should have retained one orphan");
+ok(gWalker._retainedOrphans.has(bodyFront), "Should have retained the expected node.");
+}).then(() => {
+// Unretain the body, which should promote the childListFront to a retained orphan.
+return gWalker.unretainNode(bodyFront);
+}).then(() => {
+assertOwnership();
+let clientTree = clientOwnershipTree(gWalker);
+is(gWalker._retainedOrphans.size, 1, "Should still only have one retained orphan.");
+ok(!gWalker._retainedOrphans.has(bodyFront), "Should have dropped the body node.")
+ok(gWalker._retainedOrphans.has(childListFront), "Should have retained the child node.")
+}).then(() => {
+// Change the source of the iframe, which should kill the retained orphan.
+gInspectee.querySelector("#childFrame").src = "data:text/html,<html>new child</html>";
+return waitForMutation(gWalker, isUnretained);
+}).then(mutations => {
+assertOwnership();
+let clientTree = clientOwnershipTree(gWalker);
+is(gWalker._retainedOrphans.size, 0, "Should have no more retained orphans.");
+}).then(runNextTest));
+});
+// Get a hold of a node, remove it from the doc and retain it at the same time.
+// We should always win that race (even though the mutation happens before the
+// retain request), because we haven't issued `getMutations` yet.
+addTest(function testWinRace() {
+let front = null;
+promiseDone(gWalker.querySelector(gWalker.rootNode, "#a").then(node => {
+front = node;
+let contentNode = gInspectee.querySelector("#a");
+contentNode.parentNode.removeChild(contentNode);
+// Now wait for that mutation and retain response to come in.
+return promise.all([
+gWalker.retainNode(front),
+waitForMutation(gWalker, isChildList)
+]);
+}).then(() => {
+assertOwnership();
+let clientTree = clientOwnershipTree(gWalker);
+is(gWalker._retainedOrphans.size, 1, "Should have a retained orphan.");
+ok(gWalker._retainedOrphans.has(front), "Should have retained our expected node.");
+return gWalker.unretainNode(front);
+}).then(() => {
+// Make sure we're clear for the next test.
+assertOwnership();
+let clientTree = clientOwnershipTree(gWalker);
+is(gWalker._retainedOrphans.size, 0, "Should have no more retained orphans.");
+}).then(runNextTest));
+});
+// Same as above, but issue the request right after the 'new-mutations' event, so that
+// we *lose* the race.
+addTest(function testLoseRace() {
+let front = null;
+promiseDone(gWalker.querySelector(gWalker.rootNode, "#z").then(node => {
+front = node;
+gInspectee.querySelector("#z").parentNode = null;
+let contentNode = gInspectee.querySelector("#a");
+contentNode.parentNode.removeChild(contentNode);
+return promiseOnce(gWalker, "new-mutations");
+}).then(() => {
+// Verify that we have an outstanding request (no good way to tell that it's a
+// getMutations request, but there's nothing else it would be).
+is(gWalker._requests.length, 1, "Should have an outstanding request.");
+return gWalker.retainNode(front)
+}).then(() => { ok(false, "Request should not have succeeded!"); },
+(err) => {
+ok(err, "noSuchActor", "Should have lost the race.");
+let clientTree = clientOwnershipTree(gWalker);
+is(gWalker._retainedOrphans.size, 0, "Should have no more retained orphans.");
+// Don't re-throw the error.
+}).then(runNextTest));
+});
+addTest(function cleanup() {
+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>

The Tor Browser / file comparison

comparison: toolkit/devtools/server/tests/mochitest/test_inspector-retain.html

toolkit/devtools/server/tests/mochitest/test_inspector-retain.html