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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/canvas/test/test_mozGetAsFile.html Normal file
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<!DOCTYPE HTML>
<title>Canvas test: mozGetAsFile</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
function compareAsync(file, canvas, type, callback)
{
var reader = new FileReader();
reader.onload =
function(e) {
is(e.target.result, canvas.toDataURL(type),
"<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
callback(canvas);
};
reader.readAsDataURL(file);
}
function test1(canvas)
{
var pngfile = canvas.mozGetAsFile("foo.png");
is(pngfile.type, "image/png", "Default type for mozGetAsFile should be PNG");
compareAsync(pngfile, canvas, "image/png", test2);
is(pngfile.name, "foo.png", "File name should be what we passed in");
}
function test2(canvas)
{
var jpegfile = canvas.mozGetAsFile("bar.jpg", "image/jpeg");
is(jpegfile.type, "image/jpeg",
"When a valid type is specified that should be returned");
compareAsync(jpegfile, canvas, "image/jpeg", SimpleTest.finish);
is(jpegfile.name, "bar.jpg", "File name should be what we passed in");
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.drawImage(document.getElementById('yellow75.png'), 0, 0);
test1(canvas);
});
</script>
<img src="image_yellow75.png" id="yellow75.png" class="resource">