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<!DOCTYPE HTML>
<title>Test ImageBitmap on Worker</title>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<script type="text/javascript">
// The following tests is not enabled in Worker now:
// create from a HTMLImageElement
// create from a HTMLVideoElement
// create from a HTMLCanvasElement
// create from a CanvasRenderingContext2D
// call CanvasRenderingContext2D.drawImage()
// call CanvasRenderingContext2D.createPaattern()
// test security error from an unclean HTHMLImageElemnt
// test security error from an unclean HTHMLVideoElemnt
// test security error from an tainted HTHMLCanvasElemnt
// test security error from an tainted CanvasRenderingContext2D
// Task constructor function
function Task(aType, aWidth, aHeight, aMsg, aSource) {
this.type = aType;
this.width = aWidth;
this.height = aHeight;
this.msg = aMsg;
this.source = aSource;
}
function TaskWithCrop(aType, aWidth, aHeight, aMsg, aSource, aSx, aSy, aSw, aSh) {
Task.call(this, aType, aWidth, aHeight, aMsg, aSource);
this.sx = aSx;
this.sy = aSy;
this.sw = aSw;
this.sh = aSh;
}
TaskWithCrop.prototype = Object.create(Task.prototype);
TaskWithCrop.prototype.constructor = TaskWithCrop;
var WORKER_TASKS = {
tasks: [], // an arrayf of Task objects
dispatch: function() {
if (this.tasks.length) {
worker.postMessage(this.tasks.pop());
} else {
worker.terminate();
SimpleTest.finish();
}
},
};
var worker = new Worker("imagebitmap_on_worker.js");
worker.onmessage = function(event) {
if (event.data.type == "status") {
ok(event.data.status, event.data.msg);
} else if (event.data.type == "doneTask") {
WORKER_TASKS.dispatch();
}
}
function runTests() {
ok(worker, "Worker created successfully.");
// prepare an ImageData object
var image = document.createElement('img');
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var imageData;
image.src = "image_rgrg-256x256.png";
image.onload = function() {
var width = image.naturalWidth;
var height = image.naturalHeight;
canvas.width = image.naturalWidth;
canvas.height = image.naturalHeight;
ctx.drawImage(image, 0, 0, image.naturalWidth, image.naturalHeight);
imageData = ctx.getImageData(0, 0, image.naturalWidth, image.naturalHeight);
// task: test soruce: an ImageData
WORKER_TASKS.tasks.push(new Task("testImageData", width, height, "", imageData));
// task: test soruce: an ImageBitmap
WORKER_TASKS.tasks.push(new Task("testImageBitmap", width, height, "", imageData));
// task: test soruce: a Blob
canvas.toBlob(function(aBlob) {
WORKER_TASKS.tasks.push(new Task("testBlob", width, height, "", aBlob));
});
};
// task: throw exception: general: sw == 0 || sh == 0
WORKER_TASKS.tasks.push(new TaskWithCrop("testException", 0, 0, "createImageBitmap should throw with 0 width/height", imageData, 0, 0, 0, 0));
// task: throw exception: general: source is a null
WORKER_TASKS.tasks.push(new TaskWithCrop("testException", 0, 0, "createImageBitmap should throw with null source", null, 0, 0, 0, 0));
// task: throw exception: ImageData: an ImageData object whose data attribute is backed by a detached buffer
var neuturedImageData = function getNeuturedImageData(imageData) {
worker.postMessage(imageData.data.buffer, [imageData.data.buffer]);
return imageData;
}(ctx.getImageData(0, 0, 50, 50));
WORKER_TASKS.tasks.push(new TaskWithCrop("testException", neuturedImageData.width, neuturedImageData.height,
"createImageBitmap should throw with neutured ImageData",
neuturedImageData, 0, 0, neuturedImageData.width, neuturedImageData.height));
// task: throw exception: Blob: a corrupted blob
function getCorruptedBlob(fileName) {
var xhr = new XMLHttpRequest();
xhr.open("GET", fileName);
xhr.responseType = "blob";//force the HTTP response, response-type header to be blob
xhr.onload = function() {
WORKER_TASKS.tasks.push(new Task("testException", 0, 0, "createImageBitmap should reject promise with corrupted blob", xhr.response));
}
xhr.send();
}
getCorruptedBlob("image_error-early.png");
// task: throw exception: Blob: non-image file
function getNonImageFile(fileName) {
var xhr = new XMLHttpRequest();
xhr.open("GET", fileName);
xhr.responseType = "blob";//force the HTTP response, response-type header to be blob
xhr.onload = function() {
WORKER_TASKS.tasks.push(new Task("testException", 0, 0, "createImageBitmap should reject promise with non-image blob", xhr.response));
// start to dispatch tasks to worker
WORKER_TASKS.dispatch();
}
xhr.send();
}
getNonImageFile("imagebitmap_on_worker.js");
// task: test bug : bug 1239300
WORKER_TASKS.tasks.push(new Task("testBug1239300"));
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(runTests);
</script>
</body>
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