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<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="offscreencanvas.filter.js"></script>
<script>
var patternCanvas = createPatternCanvas();
var getOffscreenContextForFilter = function(filter, pattern) {
var oc = new OffscreenCanvas(80, 80);
var offCtx = oc.getContext('2d');
offCtx.filter = filter;
offCtx.drawImage(pattern, 5, 5);
offCtx.drawImage(pattern, 25, 25);
offCtx.drawImage(pattern, 45, 45);
return offCtx;
};
var testFilter = function(filter) {
var offCtx = getOffscreenContextForFilter(filter, patternCanvas);
var ctx = getRegularContextForFilter(filter, patternCanvas);
var offImageData = offCtx.getImageData(0, 0, 80, 80).data;
var imageData = ctx.getImageData(0, 0, 80, 80).data;
matchImageDataResults(offImageData, imageData, filter);
};
generate_tests(testFilter, [filters]);
</script>
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