File: toBlob-origin-clean-offscreen.sub.html

package info (click to toggle)
thunderbird 1%3A140.4.0esr-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 4,609,432 kB
  • sloc: cpp: 7,672,442; javascript: 5,901,613; ansic: 3,898,954; python: 1,413,343; xml: 653,997; asm: 462,286; java: 180,927; sh: 113,489; makefile: 20,460; perl: 14,288; objc: 13,059; yacc: 4,583; pascal: 3,352; lex: 1,720; ruby: 1,222; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (27 lines) | stat: -rw-r--r-- 1,125 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
<!DOCTYPE html>
<meta charset=utf-8>
<title>convertToBlob, OffscreenCanvas: origin-clean flag</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context">
<script>
const crossOriginImageUrl = "http://{{domains[www1]}}:{{ports[http][0]}}/images/red.png";

async_test(t => {
  var img = new Image();
  // Use a cross-origin URL.
  img.src = crossOriginImageUrl;

  img.onload = t.step_func(e => {
    createImageBitmap(img, 0, 0, img.width, img.height)
    .then(t.step_func(bitmap => {
      var canvasBitmap = new OffscreenCanvas(img.width,img.height);
      var contextBitmap = canvasBitmap.getContext("bitmaprenderer");
      contextBitmap.transferFromImageBitmap(bitmap);
      promise_rejects_dom(t, 'SecurityError',
        canvasBitmap.convertToBlob(),
        "convertToBlob on a tainted OffscreenCanvas has to throw").then(t.step_func_done());
    }));
  });
}, "Test that call convertToBlob on a tainted OffscreenCanvas throws exception");
</script>