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Test Info: Warnings
- This test has a WPT meta file that expects 11 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset=utf-8>
<title>createImageBitmap transferring test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<script src="common.sub.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<div id=log></div>
<script>
let worker, continuations = {};
setup(function() {
worker = new Worker("transfer-worker.js");
worker.addEventListener("message", function(event) {
let { name, bitmap } = event.data;
if (continuations.hasOwnProperty(name)) {
continuations[name](bitmap);
}
});
});
for (let { name, factory } of imageSourceTypes) {
promise_test(function(t) {
return factory().then(createImageBitmap).then(function(bitmap) {
assert_equals(bitmap.width, 20);
assert_equals(bitmap.height, 20);
worker.postMessage({ name: t.name, bitmap: bitmap }, [bitmap]);
assert_equals(bitmap.width, 0);
assert_equals(bitmap.height, 0);
return new Promise(function(resolve) {
continuations[t.name] = resolve;
});
}).then(function(bitmap) {
assert_class_string(bitmap, "ImageBitmap");
assert_equals(bitmap.width, 20);
assert_equals(bitmap.height, 20);
});
}, `Transfer ImageBitmap created from ${name}`);
}
promise_test(async (t) => {
const url = get_host_info().REMOTE_ORIGIN + '/images/pattern.png';
const image = await makeMakeHTMLImage(url)();
const bitmap = await createImageBitmap(image);
assert_throws_dom('DataCloneError',
() => worker.postMessage(bitmap, [bitmap]));
}, 'Transferring a non-origin-clean ImageBitmap throws.');
</script>