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<html>
<head>
<script>
if (window.testRunner)
testRunner.dumpAsText();
function log(msg)
{
document.getElementById('console').appendChild(document.createTextNode(msg + "\n"));
}
function testToDataURL()
{
var canvas1 = document.getElementById("zero-Zero")
var canvas2 = document.getElementById("zero-oneHundred");
var canvas3 = document.getElementById("oneHundred-zero");
testMIMEType(canvas1, "0x0", undefined);
testMIMEType(canvas2, "0x100", undefined);
testMIMEType(canvas3, "100x0", undefined);
testMIMEType(canvas1, "0x0" , "image/jpeg");
testMIMEType(canvas2, "0x100", "image/jpeg");
testMIMEType(canvas3, "100x0", "image/jpeg");
testMIMEType(canvas1, "0x0" , "image/webp");
testMIMEType(canvas2, "0x100", "image/webp");
testMIMEType(canvas3, "100x0", "image/webp");
}
function testMIMEType(canvas, description, mimeType)
{
var ctx = canvas.getContext("2d");
// draw into canvas
ctx.fillStyle = "rgb(200,0,0)";
ctx.fillRect(10, 10, 55, 50);
ctx.fillStyle = "rgba(0, 0, 200, 0.5)";
ctx.fillRect(30, 30, 55, 50);
var dataURL;
if (mimeType == undefined) {
dataURL = canvas.toDataURL();
log("mimeType: unspecified");
} else {
dataURL = canvas.toDataURL(mimeType);
log("mimeType: " + mimeType);
}
if (dataURL == "data:,")
log("PASS: Canvas of size " + description + " created data: url with no content - '" + dataURL + "'.");
else
log("FAIL: Canvas of size " + description + " did not create a data: url with no content - '" + dataURL + "'.");
}
</script>
</head>
<body onload="testToDataURL();">
<canvas id="zero-Zero" width="0" height="0"></canvas>
<canvas id="zero-oneHundred" width="0" height="100"></canvas>
<canvas id="oneHundred-zero" width="100" height="0"></canvas>
<pre id='console'></pre>
</body>
</html>
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