toolkit/content/tests/widgets/test_popupreflows.xul@6474c204b198
toolkit/content/tests/widgets/test_popupreflows.xul
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <?xml version="1.0"?>
2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
3 <?xml-stylesheet href="/tests/SimpleTest/test.css" type="text/css"?>
5 <window title="Popup Reflow Tests"
6 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
8 <panel id="testPanel"
9 type="arrow"
10 noautohide="true">
11 </panel>
13 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
15 <script>
16 <![CDATA[
17 const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
19 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
20 Cu.import("resource://gre/modules/Promise.jsm");
22 let panel, anchor, arrow;
24 // A reflow observer - it just remembers the stack trace of all sync reflows
25 // done by the panel.
26 let observer = {
27 reflows: [],
28 reflow: function (start, end) {
29 this.reflows.push(new Error().stack);
30 },
32 reflowInterruptible: function (start, end) {
33 // We're not interested in interruptible reflows. Why, you ask? Because
34 // we've simply cargo-culted this test from browser_tabopen_reflows.js!
35 },
37 QueryInterface: XPCOMUtils.generateQI([Ci.nsIReflowObserver,
38 Ci.nsISupportsWeakReference])
39 };
41 // A test utility that counts the reflows caused by a test function. If the
42 // count of reflows isn't what is expected, it causes a test failure and logs
43 // the stack trace of all seen reflows.
44 function countReflows(testfn, expected) {
45 let deferred = Promise.defer();
46 observer.reflows = [];
47 let docShell = panel.ownerDocument.defaultView
48 .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
49 .getInterface(Components.interfaces.nsIWebNavigation)
50 .QueryInterface(Components.interfaces.nsIDocShell);
51 docShell.addWeakReflowObserver(observer);
52 testfn().then(() => {
53 docShell.removeWeakReflowObserver(observer);
54 SimpleTest.is(observer.reflows.length, expected, "correct number of reflows");
55 if (observer.reflows.length != expected) {
56 SimpleTest.info("stack traces of reflows:\n" + observer.reflows.join("\n") + "\n");
57 }
58 deferred.resolve();
59 });
60 return deferred.promise
61 }
63 function openPopup() {
64 let deferred = Promise.defer();
65 panel.addEventListener("popupshown", function popupshown() {
66 panel.removeEventListener("popupshown", popupshown);
67 deferred.resolve();
68 });
69 panel.openPopup(anchor, "before_start");
70 return deferred.promise
71 }
73 // ********************
74 // The actual tests...
75 // We only have one atm - simply open a popup.
76 //
77 function testSimplePanel() {
78 return openPopup();
79 }
81 // ********************
82 // The test harness...
83 //
84 SimpleTest.waitForExplicitFinish();
86 addEventListener("load", function() {
87 anchor = document.getElementById("anchor");
88 panel = document.getElementById("testPanel");
89 arrow = document.getAnonymousElementByAttribute(panel, "anonid", "arrow");
91 // Cancel the arrow panel slide-in transition (bug 767133) - we are only
92 // testing reflows in the core panel implementation and not reflows that may
93 // or may not be caused by transitioning....
94 arrow.style.transition = "none";
96 // and off we go...
97 countReflows(testSimplePanel, 1).then(SimpleTest.finish);
98 });
99 ]]>
100 </script>
101 <body xmlns="http://www.w3.org/1999/xhtml">
102 <p>The anchor --> <span id="anchor">v</span> <--</p>
103 </body>
104 </window>
