content/canvas/test/test_toDataURL_lowercase_ascii.html

<!DOCTYPE HTML>
<title>Canvas test: toDataURL.lowercase.ascii</title>
<script src="/MochiKit/MochiKit.js"></script>
<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>
var canvas = document.getElementById('c');
var ctx = canvas.getContext("2d");

var data = canvas.toDataURL('ImAgE/PnG');
ok(data.match(/^data:image\/png[;,]/), "data =~ /^data:image\\/png[;,]/");

// If JPEG is supported at all, it must be supported case-insensitively
data = canvas.toDataURL('image/jpeg');
if (data.match(/^data:image\/jpeg[;,]/)) {
    data = canvas.toDataURL('ImAgE/JpEg');
    ok(data.match(/^data:image\/jpeg[;,]/), "data =~ /^data:image\\/jpeg[;,]/");
}
</script>