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Bug 1050376 - Test docshell recording of restyle/reflow/paint; r=smaug

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This commit is contained in:
Paul Rouget 2014-09-09 09:48:45 +02:00
parent 91bdb22abe
commit 180b5a0795
3 changed files with 160 additions and 0 deletions
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2
docshell/test/browser/browser.ini
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@ -97,3 +97,5 @@ skip-if = e10s
skip-if = e10s # Bug ?????? - event handler checks event.target is the content document and test e10s-utils doesn't do that.
[browser_search_notification.js]
skip-if = e10s
[browser_timelineMarkers-01.js]
[browser_timelineMarkers-02.js]

46
docshell/test/browser/browser_timelineMarkers-01.js Normal file
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@ -0,0 +1,46 @@
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that the docShell has the right profile timeline API
let test = Task.async(function*() {
waitForExplicitFinish();
yield openUrl("data:text/html;charset=utf-8,Test page");
let docShell = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell);
ok("recordProfileTimelineMarkers" in docShell,
"The recordProfileTimelineMarkers attribute exists");
ok("popProfileTimelineMarkers" in docShell,
"The popProfileTimelineMarkers function exists");
ok(docShell.recordProfileTimelineMarkers === false,
"recordProfileTimelineMarkers is false by default");
ok(docShell.popProfileTimelineMarkers().length === 0,
"There are no markers by default");
docShell.recordProfileTimelineMarkers = true;
ok(docShell.recordProfileTimelineMarkers === true,
"recordProfileTimelineMarkers can be set to true");
docShell.recordProfileTimelineMarkers = false;
ok(docShell.recordProfileTimelineMarkers === false,
"recordProfileTimelineMarkers can be set to false");
gBrowser.removeCurrentTab();
finish();
});
function openUrl(url) {
return new Promise(function(resolve, reject) {
gBrowser.selectedTab = gBrowser.addTab(url);
gBrowser.selectedBrowser.addEventListener("load", function onload() {
gBrowser.selectedBrowser.removeEventListener("load", onload, true);
waitForFocus(resolve, content);
}, true);
});
}

112
docshell/test/browser/browser_timelineMarkers-02.js Normal file
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@ -0,0 +1,112 @@
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that the docShell profile timeline API returns the right markers when
// restyles, reflows and paints occur
let URL = 'data:text/html;charset=utf-8,<!DOCTYPE html><style>div.x{}</style>' +
'<div style="width:20px;height:2px;background:red"></div>';
let TESTS = [{
desc: "Changing the width of the test element",
setup: function(div) {
div.style.width = "10px";
},
check: function(markers) {
ok(markers.length > 0, "markers were returned");
ok(markers.some(m => m.name == "Reflow"), "markers includes Reflow");
ok(markers.some(m => m.name == "Paint"), "markers includes Paint");
ok(markers.some(m => m.name == "Styles"), "markers includes Restyle");
}
}, {
desc: "Changing the test element's background color",
setup: function(div) {
div.style.backgroundColor = "green";
},
check: function(markers) {
ok(markers.length > 0, "markers were returned");
ok(!markers.some(m => m.name == "Reflow"), "markers doesn't include Reflow");
ok(markers.some(m => m.name == "Paint"), "markers includes Paint");
ok(markers.some(m => m.name == "Styles"), "markers includes Restyle");
}
}, {
desc: "Changing the test element's classname",
setup: function(div) {
div.className = "x";
},
check: function(markers) {
ok(markers.length > 0, "markers were returned");
ok(!markers.some(m => m.name == "Reflow"), "markers doesn't include Reflow");
ok(!markers.some(m => m.name == "Paint"), "markers doesn't include Paint");
ok(markers.some(m => m.name == "Styles"), "markers includes Restyle");
}
}];
let test = Task.async(function*() {
waitForExplicitFinish();
yield openUrl(URL);
let docShell = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell);
let div = content.document.querySelector("div");
info("Start recording");
docShell.recordProfileTimelineMarkers = true;
for (let {desc, setup, check} of TESTS) {
info("Running test: " + desc);
info("Flushing the previous markers if any");
docShell.popProfileTimelineMarkers();
info("Running the test setup function");
let onMarkers = waitForMarkers(docShell);
setup(div);
info("Waiting for new markers on the docShell");
let markers = yield onMarkers;
info("Running the test check function");
check(markers);
}
info("Stop recording");
docShell.recordProfileTimelineMarkers = false;
gBrowser.removeCurrentTab();
finish();
});
function openUrl(url) {
return new Promise(function(resolve, reject) {
gBrowser.selectedTab = gBrowser.addTab(url);
gBrowser.selectedBrowser.addEventListener("load", function onload() {
gBrowser.selectedBrowser.removeEventListener("load", onload, true);
waitForFocus(resolve, content);
}, true);
});
}
function waitForMarkers(docshell) {
return new Promise(function(resolve, reject) {
let waitIterationCount = 0;
let maxWaitIterationCount = 10; // Wait for 2sec maximum
let interval = setInterval(() => {
let markers = docshell.popProfileTimelineMarkers();
if (markers.length > 0) {
clearInterval(interval);
resolve(markers);
}
if (waitIterationCount > maxWaitIterationCount) {
clearInterval(interval);
resolve([]);
}
waitIterationCount++;
}, 200);
});
}