<!-- webkit-test-runner [ UsesBackForwardCache=true ] -->
<!DOCTYPE html>
<html>
<head>
    <title>mock-media-source</title>
    <script src="mock-media-source.js"></script>
    <script src="../video-test.js"></script>
    <script>
    var source;
    var sourceBuffer;

    if (window.internals)
        internals.initializeMockMediaSource();

    window.addEventListener("pageshow", function(event) {
        consoleWrite("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
        if (event.persisted) {
            consoleWrite("PASS: Page was restored from Page Cache");
            endTest();
        }
    });

    window.addEventListener("pagehide", function(event) {
        consoleWrite("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
        if (!event.persisted) {
            consoleWrite("FAIL: Page failed to enter the Page Cache");
            endTest();
        }
    });

    onload = () => {
        setTimeout(() => {
            findMediaElement();

            source = new MediaSource();
            waitForEvent('sourceopen', sourceOpen, false, false, source);
            run('video.src = URL.createObjectURL(source)');
        }, 0);
    }

    function sourceOpen() {
        run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
        testExpected('source.sourceBuffers[0]', sourceBuffer);
        setTimeout(() => {
            testLink.click();
        }, 0);
    }
    
    </script>
</head>
<body>
    <video></video>
    <a id="testLink" href="../../fast/history/resources/page-cache-helper.html" style="display: none">Link</a>
</body>
</html>