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jsTestIsAsync = true;
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
var numToBlobCalls = 9;
var numToDataURLCalls = 3;
var testImages = [];
var canvasCtxs = [];
// Create an original canvas with content
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");
ctx.fillStyle = "#EE21AF";
ctx.fillRect(0, 0, 250, 150);
function testIfAllImagesAreCorrect()
{
// All resultant images should be the same as both async and main threads use the same image encoder
var imageMatched = true;
var firstImageData = canvasCtxs[0].getImageData(0, 0, 250, 150).data;
for (var i = 1; i < (numToBlobCalls + numToDataURLCalls); i++)
{
var nextImageData = canvasCtxs[i].getImageData(0, 0, 250, 150).data;
for (var k = 0; k < firstImageData.length; k++)
{
if (firstImageData[k]!=nextImageData[k])
{
imageMatched = false;
break;
}
}
if (!imageMatched)
break;
}
if (imageMatched)
testPassed("All images encoded by both async and main threads match one another");
else
testFailed("Not all images encoded by async and main threads match one another");
finishJSTest();
}
var counter = numToBlobCalls + numToDataURLCalls;
function onCanvasDrawCompleted(ctx_test)
{
counter = counter - 1;
if (counter == 0) {
testIfAllImagesAreCorrect();
if (window.testRunner)
testRunner.notifyDone();
}
}
function createTestCase(i)
{
var canvas_test = document.createElement("canvas");
var ctx_test = canvas_test.getContext("2d");
canvasCtxs[i] = ctx_test;
var newImg = new Image();
newImg.onload = function() {
ctx_test.drawImage(newImg, 0, 0, 250, 150);
onCanvasDrawCompleted(ctx_test);
}
testImages[i] = newImg;
}
for (var i = 0; i < (numToBlobCalls + numToDataURLCalls); i++)
{
createTestCase(i);
}
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