gecko-dev/image/test/browser/browser_image.js
Seth Fowler eaf7d57113 Bug 863319 - Improve assertions in browser_image mochitest. r=joe
--HG--
extra : rebase_source : bf323152a21613bf20d1ff2456520346bf1460b1
2013-04-19 13:47:36 -07:00

196 lines
6.5 KiB
JavaScript

waitForExplicitFinish();
requestLongerTimeout(2); // see bug 660123 -- this test is slow on Mac.
// A hold on the current timer, so it doens't get GCed out from
// under us
var gTimer;
// Browsing to a new URL - pushing us into the bfcache - should cause
// animations to stop, and resume when we return
function testBFCache() {
function theTest() {
var abort = false;
var chances, gImage, gFrames;
gBrowser.selectedTab = gBrowser.addTab(TESTROOT + "image.html");
gBrowser.selectedBrowser.addEventListener("pageshow", function () {
gBrowser.selectedBrowser.removeEventListener("pageshow", arguments.callee, true);
var window = gBrowser.contentWindow;
// If false, we are in an optimized build, and we abort this and
// all further tests
if (!actOnMozImage(window.document, "img1", function(image) {
gImage = image;
gFrames = gImage.framesNotified;
})) {
gBrowser.removeCurrentTab();
abort = true;
}
goer.next();
}, true);
yield;
if (abort) {
finish();
yield; // optimized build
}
// Let animation run for a bit
chances = 120;
do {
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
if (gImage.framesNotified >= 20) {
goer.send(true);
} else {
chances--;
goer.send(chances == 0); // maybe if we wait a bit, it will happen
}
}, 500, Ci.nsITimer.TYPE_ONE_SHOT);
} while (!(yield));
is(chances > 0, true, "Must have animated a few frames so far");
// Browse elsewhere; push our animating page into the bfcache
gBrowser.loadURI("about:blank");
// Wait a bit for page to fully load, then wait a while and
// see that no animation occurs.
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
gFrames = gImage.framesNotified;
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
// Might have a few stray frames, until other page totally loads
var additionalFrames = gImage.framesNotified - gFrames;
is(additionalFrames == 0, true, "Must have not animated in bfcache! Got " + additionalFrames + " additional frames");
goer.next();
}, 4000, Ci.nsITimer.TYPE_ONE_SHOT); // 4 seconds - expect 40 frames
}, 0, Ci.nsITimer.TYPE_ONE_SHOT); // delay of 0 - wait for next event loop
yield;
// Go back
gBrowser.goBack();
chances = 120;
do {
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
if (gImage.framesNotified - gFrames >= 20) {
goer.send(true);
} else {
chances--;
goer.send(chances == 0); // maybe if we wait a bit, it will happen
}
}, 500, Ci.nsITimer.TYPE_ONE_SHOT);
} while (!(yield));
is(chances > 0, true, "Must have animated once out of bfcache!");
// Finally, check that the css background image has essentially the same
// # of frames, implying that it animated at the same times as the regular
// image. We can easily retrieve regular images through their HTML image
// elements, which is what we did before. For the background image, we
// create a regular image now, and read the current frame count.
var doc = gBrowser.selectedBrowser.contentWindow.document;
var div = doc.getElementById("background_div");
div.innerHTML += '<img src="animated2.gif" id="img3">';
actOnMozImage(doc, "img3", function(image) {
is(Math.abs(image.framesNotified - gImage.framesNotified)/gImage.framesNotified < 0.5, true,
"Must have also animated the background image, and essentially the same # of frames. " +
"Regular image got " + gImage.framesNotified + " frames but background image got " + image.framesNotified);
});
gBrowser.removeCurrentTab();
nextTest();
}
var goer = theTest();
goer.next();
}
// Check that imgContainers are shared on the same page and
// between tabs
function testSharedContainers() {
function theTest() {
var gImages = [];
var gFrames;
gBrowser.selectedTab = gBrowser.addTab(TESTROOT + "image.html");
gBrowser.selectedBrowser.addEventListener("pageshow", function () {
gBrowser.selectedBrowser.removeEventListener("pageshow", arguments.callee, true);
actOnMozImage(gBrowser.contentDocument, "img1", function(image) {
gImages[0] = image;
gFrames = image.framesNotified; // May in theory have frames from last test
// in this counter - so subtract them out
});
goer.next();
}, true);
yield;
// Load next tab somewhat later
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
goer.next();
}, 1500, Ci.nsITimer.TYPE_ONE_SHOT);
yield;
gBrowser.selectedTab = gBrowser.addTab(TESTROOT + "imageX2.html");
gBrowser.selectedBrowser.addEventListener("pageshow", function () {
gBrowser.selectedBrowser.removeEventListener("pageshow", arguments.callee, true);
[1,2].forEach(function(i) {
actOnMozImage(gBrowser.contentDocument, "img"+i, function(image) {
gImages[i] = image;
});
});
goer.next();
}, true);
yield;
var chances = 120;
do {
gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
gTimer.initWithCallback(function() {
if (gImages[0].framesNotified - gFrames >= 10) {
goer.send(true);
} else {
chances--;
goer.send(chances == 0); // maybe if we wait a bit, it will happen
}
}, 500, Ci.nsITimer.TYPE_ONE_SHOT);
} while (!(yield));
is(chances > 0, true, "Must have been animating while showing several images");
// Check they all have the same frame counts
var theFrames = null;
[0,1,2].forEach(function(i) {
var frames = gImages[i].framesNotified;
if (theFrames == null) {
theFrames = frames;
} else {
is(theFrames, frames, "Sharing the same imgContainer means *exactly* the same frame counts!");
}
});
gBrowser.removeCurrentTab();
gBrowser.removeCurrentTab();
nextTest();
}
var goer = theTest();
goer.next();
}
var tests = [testBFCache, testSharedContainers];
function nextTest() {
if (tests.length == 0) {
finish();
return;
}
tests.shift()();
}
function test() {
ignoreAllUncaughtExceptions();
nextTest();
}