networkState_during_progress.html | Explore in Territory

<!doctype html>
<html>
 <head>
  <title>video.networkState - NETWORK_LOADING</title>
  <script src="../../w3cwrapper.js"></script>
 </head>
 <body>
  <p><a href="http://dev.w3.org/html5/spec/Overview.html#dom-media-networkstate">spec reference</a></p>
  <video id="v" autoplay controls>
  </video>
  <div id="log"></div>
  <script>
var t = async_test("videoElement.networkState should be NETWORK_LOADING during progress event", {timeout:30000});
var v = document.getElementById("v")

v.addEventListener("progress", function() {
  // Allow for both NETWORK_LOADING and NETWORK_IDLE. NETWORK_IDLE can occur
  // when the resource has loaded before the first `progress` event fired.
  // In that case, we fire a `progress` event and a `suspend` event, but the
  // networkState will already be set to NETWORK_IDLE.
  // This is technically not spec compliant, but has been the behavior for years
  // now.
  let valid_network_state = v.networkState == v.NETWORK_LOADING ||
                            v.networkState == v.NETWORK_IDLE;

  t.step(function() {
    assert_true(valid_network_state,
      "networkState should be NETWORK_LOADING during `progress` event, \
      or NETWORK_IDLE if the `suspend` event is queued")
  })

  if (v.networkState == v.NETWORK_LOADING) {
    // The test passed as expected.
    t.done();
  }

  // If the networkState is NETWORK_IDLE, the test will complete in the
  // `suspend` event handler.

  v.pause();
});

v.addEventListener("suspend", function() {
  if (v.networkState != v.NETWORK_IDLE) {
    t.step(function() {
      // Only log this on failure, to simplify the expectations file.
      assert_true(
        v.networkState,
        v.NETWORK_IDLE,
        "networkState should be NETWORK_IDLE when the `suspend` event is fired");
    })
  }

  // Stop the test.
  t.done();
  v.pause();
});

v.src = getVideoURI("http://media.w3.org/2010/05/video/movie_300") + "?" + new Date() + Math.random();
  </script>
 </body>
</html>
chromium/third_party/blink/web_tests/media/W3C/video/networkState/networkState_during_progress.html
