URL-createObjectURL-revoke.html

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This WPT test may be referenced by the following Test IDs:
- /media-source/URL-createObjectURL-revoke.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

  <meta charset='utf-8'>

  <title>Revoking a created URL with URL.revokeObjectURL(url)</title>

  <script src="/resources/testharness.js"></script>

  <script src="/resources/testharnessreport.js"></script>

</head>

<body>

<div id="log"></div>

<script>

async_test(function(t) {

    var mediaSource = new MediaSource();

    var url = window.URL.createObjectURL(mediaSource);

    window.URL.revokeObjectURL(url);

    mediaSource.addEventListener('sourceopen',

                                 t.unreached_func("url should not reference MediaSource."));

    var video = document.createElement('video');

    video.src = url;

    video.addEventListener('error', t.step_func_done(function(e) {

        assert_equals(e.target.error.code,

                      MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,

                      'Expected error code');

        assert_equals(mediaSource.readyState, 'closed');

    }));

}, "Check revoking behavior of URL.revokeObjectURL(url).");

async_test(function(t) {

    var mediaSource = new MediaSource();

    var url = window.URL.createObjectURL(mediaSource);

    var video = document.createElement('video');

    var unexpectedErrorHandler = t.unreached_func("Unexpected error.")

    video.addEventListener('error', unexpectedErrorHandler);

    video.src = url;

    window.URL.revokeObjectURL(url);

    mediaSource.addEventListener('sourceopen', t.step_func_done(function(e) {

        assert_equals(mediaSource.readyState, 'open');

        mediaSource.endOfStream();

        video.removeEventListener('error', unexpectedErrorHandler);

    }));

}, "Check referenced MediaSource can open after URL.revokeObjectURL(url).");

async_test(function(t) {

    var mediaSource = new MediaSource();

    var url = window.URL.createObjectURL(mediaSource);

    setTimeout(function() {

        mediaSource.addEventListener('sourceopen',

                                     t.unreached_func("url should not reference MediaSource."));

        var video = document.createElement('video');

        video.src = url;

        video.addEventListener('error', t.step_func_done(function(e) {

            assert_equals(e.target.error.code,

                          MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,

                          'Expected error code');

            assert_equals(mediaSource.readyState, 'closed');

        }));

    }, 0);

}, "Check auto-revoking behavior with URL.createObjectURL(MediaSource).");

</script>

</body>

</html>