tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resource-selection-currentSrc.html (2920B)

      1 <!doctype html>
      2 <title>currentSrc should not be reset when changing source</title>
      3 <script src="/resources/testharness.js"></script>
      4 <script src="/resources/testharnessreport.js"></script>
      5 <div id=log></div>
      6 <audio src="/media/sine440.mp3"></audio>
      7 <script>
      8 let v;
      9 let t = async_test("Test currentSrc behaviour in various playback scenarios");
     10 v = document.querySelector('audio');
     11 function queueTaskAndStep(f) {
     12  step_timeout(function() {
     13    t.step(f);
     14  }, 0);
     15 }
     16 
     17 function next() {
     18  let testcase = tests.shift();
     19  if (!testcase) {
     20    t.done();
     21    return;
     22  }
     23  step_timeout(testcase, 0);
     24 }
     25 
     26 let tests = [
     27  function() {
     28    v.src = "/media/sound_0.mp3";
     29    queueTaskAndStep(function() {
     30      assert_true(v.currentSrc.indexOf("sound_0.mp3") != -1, "currentSrc must be equal to the source after load if present");
     31      next();
     32    });
     33  },
     34  function() {
     35    v.src = URL.createObjectURL(new MediaSource());
     36    queueTaskAndStep(function() {
     37      assert_not_equals(v.currentSrc, "", "currentSrc must not be equal to the empty string after load if playing a MediaSource from the src attribute");
     38      next();
     39    });
     40  },
     41  function() {
     42    fetch('/media/sound_0.mp3')
     43      .then(function(response) {
     44        return response.arrayBuffer();
     45      }).then((b) => {
     46        v.src = URL.createObjectURL(new Blob([new Uint8Array(b)], ["audio/mpeg"]));
     47        queueTaskAndStep(function() {
     48          assert_not_equals(v.currentSrc, "", "currentSrc must be not equal to the empty string after load if playing a Blob from the src attribute");
     49          next();
     50        });
     51    });
     52  },
     53  function() {
     54    v.src = "/media/sound_0.mp3";
     55    // Source should be ignored when there is an `src`
     56    let sourceNode = document.createElement("source");
     57    sourceNode.setAttribute("src", "/media/sine440.mp3");
     58    sourceNode.setAttribute("type", "audio/mpeg");
     59    v.appendChild(sourceNode);
     60    queueTaskAndStep(function() {
     61      assert_true(v.currentSrc.indexOf("sine440.mp3") == -1, "The src attribute takes precedence over any source child element when both are preset");
     62      next();
     63    })
     64  },
     65  function() {
     66    // But taken into account when there is no `src` attribute;
     67    v.src = "";
     68    v.removeAttribute("src");
     69    queueTaskAndStep(function() {
     70      assert_true(v.currentSrc.indexOf("sine440.mp3") != -1, "The child source element is the current source when no src attribute is present");
     71      next();
     72    });
     73  },
     74  function() {
     75    v.firstChild.remove();
     76    v.src = "https://test:test/";
     77    queueTaskAndStep(function() {
     78      assert_true(v.currentSrc.indexOf("sine440.mp3") != -1, "Not reset when a new load errors");
     79      next();
     80    });
     81  },
     82  function() {
     83    v.srcObject = new MediaStream();
     84    queueTaskAndStep(function() {
     85      assert_equals(v.currentSrc, "", "When playing a MediaStream, currentSrc should also be reset to an empty string");
     86      next();
     87    });
     88  }
     89 ];
     90 
     91 next();
     92 
     93 </script>