2009-08-12 07:23:39 -07:00
|
|
|
<!DOCTYPE HTML>
|
|
|
|
|
<html>
|
|
|
|
|
<!--
|
|
|
|
|
https://bugzilla.mozilla.org/show_bug.cgi?id=507902
|
|
|
|
|
-->
|
|
|
|
|
<head>
|
|
|
|
|
<title>Test for Bug 507902</title>
|
|
|
|
|
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
|
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=507902">Mozilla Bug 507902</a>
|
|
|
|
|
|
|
|
|
|
<iframe id="testFrameElem"></iframe>
|
|
|
|
|
|
|
|
|
|
<pre id="test">
|
|
|
|
|
<script class="testbody" type="text/javascript">
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Mochitest to test nsImageFrame icons
|
|
|
|
|
//
|
|
|
|
|
// The 'loading' icon should be displayed up until we have enough image
|
|
|
|
|
// data to determine the frame size.
|
|
|
|
|
//
|
|
|
|
|
// The 'broken' icon should be displayed when the URL is invalid (either
|
|
|
|
|
// a bad server or a file that fails to be sniffed to an appropriate
|
|
|
|
|
// mimetype).
|
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
// Boilerplate
|
|
|
|
|
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
|
|
|
|
|
const Cc = Components.classes;
|
|
|
|
|
const Ci = Components.interfaces;
|
|
|
|
|
gWindowUtils = window.QueryInterface(Ci.nsIInterfaceRequestor).
|
|
|
|
|
getInterface(Ci.nsIDOMWindowUtils);
|
|
|
|
|
|
|
|
|
|
// URL + paths
|
|
|
|
|
//
|
|
|
|
|
// We have a separate copy of the icons in the test directory to
|
|
|
|
|
// avoid any firefox caching mechanisms that might affect the
|
|
|
|
|
// behavior of the load.
|
2009-08-27 02:38:10 -07:00
|
|
|
var us = window.location.href;
|
|
|
|
|
var baseURL = us.substring(0, us.lastIndexOf('/') + 1);
|
2009-08-12 07:23:39 -07:00
|
|
|
var loadIconFilename = "file_LoadingImageReference.png";
|
|
|
|
|
var imageFilename = "file_Dolske.png";
|
|
|
|
|
var brokenIconFilename = "file_BrokenImageReference.png";
|
|
|
|
|
var serverFilename = "file_IconTestServer.sjs";
|
|
|
|
|
var serverContinueFlag = "?continue=true";
|
|
|
|
|
var bogusFilename = "oneuponatimewhendolskewasyoung.png";
|
|
|
|
|
|
|
|
|
|
// Our test image element, inside a div, inside an iframe
|
|
|
|
|
var testFrameElem = document.getElementById("testFrameElem");
|
|
|
|
|
var innerDoc = testFrameElem.contentWindow.document;
|
|
|
|
|
var divContainer = innerDoc.createElement("div");
|
|
|
|
|
divContainer.style.cssFloat = "left";
|
|
|
|
|
innerDoc.body.appendChild(divContainer);
|
|
|
|
|
var testImageElem = new Image();
|
|
|
|
|
divContainer.appendChild(testImageElem);
|
|
|
|
|
var pingImage = new Image();
|
|
|
|
|
|
|
|
|
|
// Set up the canvases
|
|
|
|
|
var canvases = {};
|
|
|
|
|
var canvasNames = [ "brokenIconTest", "brokenIconReference",
|
|
|
|
|
"loadingIconTest", "loadingIconReference",
|
|
|
|
|
"loadedTest", "loadedReference" ];
|
|
|
|
|
var windowElem = document.documentElement;
|
|
|
|
|
for (var i in canvasNames) {
|
|
|
|
|
var can = document.createElement("canvas");
|
|
|
|
|
can.setAttribute("width", windowElem.getAttribute("width"));
|
|
|
|
|
can.setAttribute("height", windowElem.getAttribute("height"));
|
|
|
|
|
canvases[canvasNames[i]] = can;
|
|
|
|
|
|
|
|
|
|
// When the image frame has no idea how to size itself, it sizes itself
|
|
|
|
|
// to dimensions capable of displaying the alt feedback icons. However, if
|
|
|
|
|
// the image has been loaded before, something (I don't know what) seems to
|
|
|
|
|
// remember the size of the last successful image for that URL. So when we
|
|
|
|
|
// create a new image frame for that URL, it uses that size until it hears
|
|
|
|
|
// something different. This happens through a refresh (not sure if this is
|
|
|
|
|
// desired behavior). This means that if you refresh the test, the "loading"
|
|
|
|
|
// icon for the test image will appear with a border that stretches further
|
|
|
|
|
// right and down, because that URL previously displayed an image with larger
|
|
|
|
|
// dimensions. This causes the verify stage to fail. To allow for
|
|
|
|
|
// successful test refreshes (only useful for people, not automated tests),
|
|
|
|
|
// we add a clipping region so that we see the left and top borders, along
|
|
|
|
|
// with the image, but not the bottom and right borders.
|
|
|
|
|
|
|
|
|
|
if ((i > 1) && (i < 4)) {
|
|
|
|
|
var ctx = can.getContext("2d");
|
|
|
|
|
ctx.beginPath();
|
|
|
|
|
ctx.rect(0,0, 30, 30);
|
|
|
|
|
ctx.clip();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 1 - Load the reference image for the broken icon
|
|
|
|
|
function loadBrokenIconReference() {
|
2009-08-24 03:49:41 -07:00
|
|
|
|
|
|
|
|
// Debugging - Let's see if setting onload after src is a problem
|
|
|
|
|
testImageElem.onload = function(event) { dump("test_bug507902.html DEBUG - uh oh, placeholder onload 1 called\n");};
|
2009-08-27 02:38:10 -07:00
|
|
|
|
|
|
|
|
// Debug - Figure out if we're getting an onerror instead of onload
|
|
|
|
|
testImageElem.onerror = function(event) {dump("test_bug507902.html DEBUG - Got onerror for testImageElem!\n");};
|
2009-08-24 03:49:41 -07:00
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
testImageElem.src = baseURL + brokenIconFilename;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 2 - Draw the reference image for the broken icon to a canvas
|
|
|
|
|
function drawBrokenIconReference() {
|
|
|
|
|
|
|
|
|
|
enableBorderAndPad();
|
|
|
|
|
drawWindowToCanvas("brokenIconReference");
|
|
|
|
|
disableBorderAndPad();
|
|
|
|
|
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 3 - Load the reference image for the loading icon
|
|
|
|
|
function loadLoadingIconReference() {
|
2009-08-24 03:49:41 -07:00
|
|
|
|
|
|
|
|
// Debugging - Let's see if setting onload after src is a problem
|
|
|
|
|
testImageElem.onload = function(event) { dump("test_bug507902.html DEBUG - uh oh, placeholder onload 3 called\n");};
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
testImageElem.src = baseURL + loadIconFilename;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 4 - Draw the reference image for the loading icon to a canvas
|
|
|
|
|
function drawLoadingIconReference() {
|
|
|
|
|
|
|
|
|
|
enableBorderAndPad();
|
|
|
|
|
drawWindowToCanvas("loadingIconReference");
|
|
|
|
|
disableBorderAndPad();
|
|
|
|
|
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 5 - Try to load a broken image
|
|
|
|
|
function loadBrokenImage() {
|
|
|
|
|
resetImage();
|
|
|
|
|
testImageElem.src = baseURL + bogusFilename;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 6 - Draw the screen to a canvas. This should hopefully
|
|
|
|
|
// be the broken icon.
|
|
|
|
|
function drawBrokenIcon() {
|
|
|
|
|
drawWindowToCanvas("brokenIconTest");
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 7 - Load the reference image for the test image
|
|
|
|
|
function loadImageReference() {
|
|
|
|
|
resetImage();
|
2009-08-24 03:49:41 -07:00
|
|
|
|
|
|
|
|
// Debugging - Let's see if setting onload after src is a problem
|
|
|
|
|
testImageElem.onload = function(event) { dump("test_bug507902.html DEBUG - uh oh, placeholder onload 7 called\n");};
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
testImageElem.src = baseURL + imageFilename;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 8 - Draw the reference image for the test image to a canvas
|
|
|
|
|
function drawImageReference() {
|
|
|
|
|
drawWindowToCanvas("loadedReference");
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 9 - Start a load of the test image from the delay-generating server
|
|
|
|
|
function startServerLoad() {
|
|
|
|
|
|
|
|
|
|
// Reset the image
|
|
|
|
|
resetImage();
|
|
|
|
|
|
2009-08-21 03:05:27 -07:00
|
|
|
// Debugging info so we can figure out the hang
|
|
|
|
|
dump("test_bug507902.html DEBUG - starting server load\n");
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
// Load the image
|
|
|
|
|
testImageElem.src = baseURL + serverFilename;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 10 - Draw the screen to a canvas. This should hopefully be the loading
|
|
|
|
|
// icon.
|
|
|
|
|
function drawLoadingIcon() {
|
2009-08-21 03:05:27 -07:00
|
|
|
|
|
|
|
|
// Debugging info so we can figure out the hang
|
|
|
|
|
dump("test_bug507902.html DEBUG - drawing loading icon\n");
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
drawWindowToCanvas("loadingIconTest");
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 11 - Tell the server to continue.
|
|
|
|
|
function signalServerContinue() {
|
2009-08-21 03:05:27 -07:00
|
|
|
|
|
|
|
|
// Debugging info so we can figure out the hang
|
|
|
|
|
dump("test_bug507902.html DEBUG - signaling server to continue\n");
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
pingImage.src = baseURL + serverFilename + serverContinueFlag;
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Stage 12 - Draw the screen to a canvas. This should hopefully be the loaded
|
|
|
|
|
// test image.
|
|
|
|
|
function drawLoadedImage() {
|
|
|
|
|
drawWindowToCanvas("loadedTest");
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Stage 13 - Verify That the appropriate canvases match
|
|
|
|
|
function verifyCanvases() {
|
|
|
|
|
|
|
|
|
|
// Verify the broken icon
|
|
|
|
|
ok(canvasesAreEqual("brokenIconTest", "brokenIconReference"),
|
|
|
|
|
"Window drawn on broken load should match broken icon reference");
|
|
|
|
|
|
|
|
|
|
// Verify the loading icon
|
|
|
|
|
ok(canvasesAreEqual("loadingIconTest", "loadingIconReference"),
|
|
|
|
|
"Window drawn mid-load should match loading icon reference");
|
|
|
|
|
|
|
|
|
|
// Verify the loaded image
|
|
|
|
|
ok(canvasesAreEqual("loadedTest", "loadedReference"),
|
|
|
|
|
"Window drawn post-load should match reference image");
|
|
|
|
|
|
|
|
|
|
stageTransition();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// We have a bunch of different things that need to happen in order
|
|
|
|
|
// with different transitions. We make a "stage table" here where
|
|
|
|
|
// each entry contains the stage function ('fn') and a transition
|
|
|
|
|
// ('trans'), which can be one of the following:
|
|
|
|
|
// "instant" - Just calls the next stage directly
|
|
|
|
|
// "onload" - Sets the next stage as an onload event for the image element
|
|
|
|
|
// "onerror" - Sets the next stage as an onerror event for the image element
|
|
|
|
|
// integer - Sets the next stage to be called after the given timeout duration
|
|
|
|
|
// "finish" - Finish the test
|
|
|
|
|
var testStages = [
|
|
|
|
|
{ "fn" : loadBrokenIconReference, "trans" : "onload"},
|
|
|
|
|
{ "fn" : drawBrokenIconReference, "trans" : "instant"},
|
|
|
|
|
{ "fn" : loadLoadingIconReference, "trans" : "onload" },
|
|
|
|
|
{ "fn" : drawLoadingIconReference, "trans" : "instant" },
|
|
|
|
|
{ "fn" : loadBrokenImage, "trans" : "onerror" },
|
|
|
|
|
{ "fn" : drawBrokenIcon, "trans" : "instant" },
|
|
|
|
|
{ "fn" : loadImageReference, "trans" : "onload" },
|
|
|
|
|
{ "fn" : drawImageReference, "trans" : "instant" },
|
|
|
|
|
// XXXbholley - We use a timeout here because resetting the
|
|
|
|
|
// image doesn't seem to be quite synchronous. If we make
|
|
|
|
|
// this transition "instant", then the drawImage call draws
|
|
|
|
|
// an empty (0,0,0,0) rect to the canvas and we're left with
|
|
|
|
|
// whatever was there before. I don't know of any good event
|
|
|
|
|
// mechanism to figure out when the image frame is bootstrapped
|
|
|
|
|
// enough to display the loading image, so I did trial-and-error
|
|
|
|
|
// with timeouts. 50ms seems to be enough time for things to work
|
|
|
|
|
// reliably, so *= 6 for good measure.
|
|
|
|
|
{ "fn" : startServerLoad, "trans" : 300 },
|
|
|
|
|
{ "fn" : drawLoadingIcon, "trans" : "instant" },
|
|
|
|
|
{ "fn" : signalServerContinue, "trans" : "onload" },
|
|
|
|
|
{ "fn" : drawLoadedImage, "trans" : "instant" },
|
|
|
|
|
{ "fn" : verifyCanvases, "trans" : "finish" } ];
|
|
|
|
|
var currentStage = 0;
|
|
|
|
|
|
|
|
|
|
// Transition function called at the end of each stage
|
|
|
|
|
function stageTransition() {
|
|
|
|
|
|
2009-08-21 03:05:27 -07:00
|
|
|
// Debugging info so we can figure out the hang
|
|
|
|
|
dump("test_bug507902.html DEBUG - Current Stage: " + currentStage + "\n");
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
// What's our transition?
|
|
|
|
|
var trans = testStages[currentStage++].trans;
|
|
|
|
|
|
|
|
|
|
// If the transition is finish, stop now before we access out of bounds
|
|
|
|
|
if (trans == "finish") {
|
|
|
|
|
makeCanvasesVisible(); // Useful for debugging
|
|
|
|
|
SimpleTest.finish();
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Otherwise, get the next function
|
|
|
|
|
var nextfn = testStages[currentStage].fn;
|
|
|
|
|
|
|
|
|
|
// Switch based on transition
|
|
|
|
|
switch (trans) {
|
|
|
|
|
|
|
|
|
|
// Continue right away
|
|
|
|
|
case "instant":
|
|
|
|
|
nextfn();
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
// Continue after we get an onload event on the test image
|
|
|
|
|
case "onload":
|
|
|
|
|
testImageElem.onload = function(event) {testImageElem.onload = undefined; nextfn();};
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
// Continue after we get an onerror event on the test image
|
|
|
|
|
case "onerror":
|
|
|
|
|
testImageElem.onerror = function(event) {testImageElem.onerror = undefined; nextfn();};
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
// Timeout
|
|
|
|
|
default:
|
|
|
|
|
setTimeout(nextfn, trans);
|
|
|
|
|
break
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Lots if asynchronous behavior here
|
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
|
|
|
|
2009-08-21 03:05:27 -07:00
|
|
|
// Catch somebody's eye
|
|
|
|
|
dump("This test is failing intermittently, see bug 510001 - If you see orange here, please paste the following debugging output on the bug!\n");
|
|
|
|
|
|
2009-08-12 07:23:39 -07:00
|
|
|
// Kick off the test by invoking the first stage. The stages call each other
|
|
|
|
|
testStages[0].fn();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// We need to get rid of the old image element and make a new one. If we
|
|
|
|
|
// don't, the "current/pending" machinery will display the old image until
|
|
|
|
|
// the new one is loaded, so we won't see the loading icon.
|
|
|
|
|
function resetImage() {
|
|
|
|
|
divContainer.removeChild(testImageElem);
|
|
|
|
|
testImageElem = null;
|
|
|
|
|
testImageElem = new Image();
|
|
|
|
|
divContainer.appendChild(testImageElem);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Makes the canvases visible. Called before the tests finish. This is useful for
|
|
|
|
|
// debugging.
|
|
|
|
|
//
|
|
|
|
|
function makeCanvasesVisible() {
|
|
|
|
|
for (var i = 0; i < canvasNames.length - 1; i += 2) {
|
|
|
|
|
var title = document.createElement("h3");
|
|
|
|
|
title.innerHTML = canvasNames[i] + ", " + canvasNames[i+1] + ":";
|
|
|
|
|
document.body.appendChild(title);
|
|
|
|
|
var myDiv = document.createElement("div");
|
|
|
|
|
myDiv.appendChild(canvases[canvasNames[i]]);
|
|
|
|
|
myDiv.appendChild(canvases[canvasNames[i+1]]);
|
|
|
|
|
document.body.appendChild(myDiv);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Enables and disables bordering/padding to mimic the look of alt feedback icons
|
|
|
|
|
//
|
|
|
|
|
function enableBorderAndPad() {
|
|
|
|
|
divContainer.style.border = "1px";
|
|
|
|
|
divContainer.style.borderStyle = "inset";
|
|
|
|
|
testImageElem.style.padding = "3px";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function disableBorderAndPad() {
|
|
|
|
|
testImageElem.style.padding = 0;
|
|
|
|
|
divContainer.style.border = "0px";
|
|
|
|
|
divContainer.style.borderStyle = "";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Helper canvas methods. This is mostly copped directly from the reftest framework
|
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
function drawWindowToCanvas(canvasName) {
|
|
|
|
|
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
|
|
|
|
|
var win = testFrameElem.contentWindow;
|
|
|
|
|
var ctx = canvases[canvasName].getContext("2d");
|
|
|
|
|
// drawWindow always draws one canvas pixel for each CSS pixel in the source
|
|
|
|
|
// window, so scale the drawing to show the zoom (making each canvas pixel be one
|
|
|
|
|
// device pixel instead)
|
|
|
|
|
ctx.drawWindow(win, win.scrollX, win.scrollY,
|
|
|
|
|
Math.ceil(canvases[canvasName].width),
|
|
|
|
|
Math.ceil(canvases[canvasName].height),
|
|
|
|
|
"rgb(255,255,255)");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function canvasesAreEqual(canvas1Name, canvas2Name) {
|
|
|
|
|
|
|
|
|
|
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
|
|
|
|
|
var c1 = canvases[canvas1Name];
|
|
|
|
|
var c2 = canvases[canvas2Name];
|
|
|
|
|
var differences = gWindowUtils.compareCanvases(c1, c2, {});
|
|
|
|
|
return (differences == 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
</script>
|
|
|
|
|
</pre>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
