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Bug 817700 - Fix test_toBlob canvas test. r=roc

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This commit is contained in:
Stephen Pohl 2013-09-06 12:30:36 -04:00
parent 8427b38ba8
commit 5654874098
1 changed files with 18 additions and 12 deletions
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30
content/canvas/test/test_toBlob.html
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@ -1,5 +1,5 @@
<!DOCTYPE HTML>
<title>Canvas test: mozGetAsFile</title>
<title>Canvas test: toBlob</title>
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
@ -7,34 +7,40 @@
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
var gCompares = 2;
function BlobListener(type, canvas, file)
function BlobListener(type, canvas, callback, file)
{
is(file.type, type,
"When a valid type is specified that should be returned");
var reader = new FileReader();
reader.onload =
reader.onload =
function(e) {
is(e.target.result, canvas.toDataURL(type),
"<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
if (--gCompares == 0) {
SimpleTest.finish();
}
"<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
callback(canvas);
};
reader.readAsDataURL(file);
}
function test1(canvas)
{
canvas.toBlob(BlobListener.bind(undefined, "image/png", canvas, test2));
}
function test2(canvas)
{
canvas.toBlob(
BlobListener.bind(undefined, "image/jpeg", canvas, SimpleTest.finish),
"image/jpeg");
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.drawImage(document.getElementById('yellow75.png'), 0, 0);
canvas.toBlob(BlobListener.bind(undefined, "image/png", canvas));
canvas.toBlob(BlobListener.bind(undefined, "image/jpeg", canvas), "image/jpeg");
test1(canvas);
});
</script>