tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_mixed_principals.html (2898B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=489415
      5 -->
      6 <head>
      7  <title>Test for Bug 489415</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
     10  <script type="text/javascript" src="manifest.js"></script>
     11  <style>
     12    video {
     13      width: 40%;
     14      border: solid black 1px;
     15    }
     16  </style>
     17 </head>
     18 
     19 <body>
     20  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=489415">Mozilla Bug 489415</a>
     21  <p id="display"></p>
     22  <pre id="test">
     23  <script type="text/javascript">
     24    SimpleTest.waitForExplicitFinish();
     25 
     26    var pushPrefs = (...p) => SpecialPowers.pushPrefEnv({ set: p });
     27    var count = 0;
     28 
     29    function canReadBack(video) {
     30      var c = document.createElement("canvas");
     31      var ctx = c.getContext("2d");
     32      ctx.drawImage(video, 0, 0);
     33      try {
     34        var data_url = c.toDataURL();
     35        var empty_canvas = document.createElement("canvas");
     36        if (empty_canvas.toDataURL() === data_url) {
     37          info("Readback check returned same data URL as empty canvas.");
     38        } else {
     39          info("Readback check returned different data URL than empty canvas.");
     40        }
     41        return true;
     42      } catch (ex) {
     43        return false;
     44      }
     45    }
     46 
     47    function runTest(origin, shouldReadBackOnLoad) {
     48      return new Promise(function (resolve) {
     49        // Load will redirect mid-flight, which will be detected and should error,
     50        // and we should no longer be able to readback.
     51        var video = document.createElement("video");
     52        video.preload = "metadata";
     53        video.controls = true;
     54        var url = "http://" + origin + "/tests/dom/media/test/midflight-redirect.sjs"
     55                  + "?resource=pixel_aspect_ratio.mp4&type=video/mp4";
     56        SimpleTest.info("Loading from " + url);
     57        video.src = url;
     58        document.body.appendChild(video);
     59 
     60        once(video, "loadeddata", () => {
     61          is(canReadBack(video), shouldReadBackOnLoad, "Should be able to readback");
     62          video.play();
     63        });
     64 
     65        once(video, "error", () => {
     66          if(video.readyState == video.HAVE_METADATA) {
     67            is(canReadBack(video), true, "Should be able to readback with readyState == HAVE_METADATA");
     68          } else {
     69            is(canReadBack(video), false, "Should not be able to readback with readyState != HAVE_METADATA");
     70          }
     71 
     72          removeNodeAndSource(video);
     73          resolve();
     74        });
     75 
     76        once(video, "ended", () => {
     77          ok(false, "Should not be able to playback to end, we should have errored!");
     78          removeNodeAndSource(video);
     79          resolve();
     80        });
     81 
     82      });
     83    }
     84 
     85    Promise.all([
     86      runTest("mochi.test:8888", true),
     87      runTest("example.org", false),
     88    ]).then(SimpleTest.finish);
     89 
     90  </script>
     91 </pre>
     92 </body>
     93 </html>