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<!--
onmessage = function(e) {
var imagedata = e.data;
imagedata.data[0] = 128;
postMessage(imagedata);
}
/*
-->
<!doctype html>
<title>structured clone of ImageData</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
(async_test()).step(function() {
var worker = new Worker('#');
var ctx = document.createElement('canvas').getContext('2d');
var imagedata = ctx.getImageData(0, 0, 300, 150);
worker.postMessage(imagedata);
worker.onmessage = this.step_func(function(e) {
assert_equals(''+e.data, '[object ImageData]');
assert_equals(e.data.data[0], 128);
this.done();
});
});
</script>
<!--
*/
//-->
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