media-controls-no-dcheck-on-add-source.html

<html>
    <body onload="runTest();">
        Test passes if it does not hit DCHECK
        !EventDispatchForbiddenScope::IsEventDispatchForbidden().

        See https://crbug.com/1267896

        <!-- Having a div which is displayed to insert the video element seeems
             to be required to hit the DCHECK -->
        <div id="video_container">
        </div>

        <script>
            if (window.testRunner) {
                testRunner.dumpAsText();
                testRunner.waitUntilDone();
            }

            function runTest() {
                videoElement = document.createElement("video");
                document.getElementById('video_container').appendChild(videoElement);

                // Both pausing and adding controls is needed in order to hit
                // the DCHECK. This seems to force MediaControls to add nodes
                // to the DOM.
                videoElement.controls = true;
                videoElement.pause();

                source = document.createElement("source");
                source.src = 'content/bear_rotate_0.mp4'
                videoElement.appendChild(source);

                if (window.testRunner)
                    setTimeout("testRunner.notifyDone()", 0);
            }
        </script>
    </body>
</html>
chromium/third_party/blink/web_tests/media/media-controls-no-dcheck-on-add-source.html
