27 lines
1.1 KiB
HTML
27 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>convertToBlob, OffscreenCanvas: origin-clean flag</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context">
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<script>
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const crossOriginImageUrl = "http://{{domains[www1]}}:{{ports[http][0]}}/images/red.png";
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async_test(t => {
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var img = new Image();
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// Use a cross-origin URL.
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img.src = crossOriginImageUrl;
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img.onload = t.step_func(e => {
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createImageBitmap(img, 0, 0, img.width, img.height)
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.then(t.step_func(bitmap => {
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var canvasBitmap = new OffscreenCanvas(img.width,img.height);
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var contextBitmap = canvasBitmap.getContext("bitmaprenderer");
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contextBitmap.transferFromImageBitmap(bitmap);
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promise_rejects_dom(t, 'SecurityError',
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canvasBitmap.convertToBlob(),
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"convertToBlob on a tainted OffscreenCanvas has to throw").then(t.step_func_done());
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}));
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});
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}, "Test that call convertToBlob on a tainted OffscreenCanvas throws exception");
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</script>
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