<body onload="runTest();"><!-- webkit-test-runner [ JavaScriptCanOpenWindowsAutomatically=false ] -->
<div>This tests the restrictions to entering full screen mode laid out in section 4.1 of the W3C 
<a href="http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html">Full Screen API</a></div>
<script src="full-screen-test.js"></script>
<script>
    // Bail out early if the full screen API is not enabled or is missing:
    if (Element.prototype.webkitRequestFullScreen == undefined) {
        logResult(false, "Element.prototype.webkitRequestFullScreen == undefined");
        endTest();
    } else {
        var runTest = function() {
            consoleWrite('"The context object is not in a document."');
            var div = document.createElement('div');
            waitForEventOnce(document, 'webkitfullscreenerror', step2);
            runWithKeyDown(function(){div.webkitRequestFullscreen()});
        };

        var step2 = function() {
            consoleWrite('"The context object\'s node document, or an ancestor browsing context\'s document does not have the fullscreen enabled flag set."')
            var iframe = document.documentElement.appendChild(document.createElement('iframe'));
            iframe.setAttribute('allow', "fullscreen 'none'");
            var div = iframe.contentDocument.documentElement.appendChild(iframe.contentDocument.createElement('div'));

            waitForEventOnce(iframe.contentDocument, 'webkitfullscreenerror', step3);
            runWithKeyDown(function(){div.webkitRequestFullscreen()});
        };

        var step3 = function() {
            consoleWrite('"The context object\'s node document fullscreen element stack is not empty and its top element is not an ancestor of the context object."');
            var div = document.documentElement.appendChild(document.createElement('div'));
            var div2 = document.documentElement.appendChild(document.createElement('div'));
            waitForEventOnce(document, 'webkitfullscreenchange', function() {
                waitForEventOnce(document, 'webkitfullscreenerror', function() {
                   waitForEventOnce(document, 'webkitfullscreenchange', step4);
                   document.webkitExitFullscreen(); 
                });
                runWithKeyDown(function(){div2.webkitRequestFullscreen()});
            });
            runWithKeyDown(function(){div.webkitRequestFullscreen()});
        };

        var step4 = function() {
            consoleWrite('"A descendant browsing context\'s document has a non-empty fullscreen element stack."');
            var iframe = document.documentElement.appendChild(document.createElement('iframe'));
            iframe.setAttribute('webkitallowfullscreen', 'true');
            var div = iframe.contentDocument.documentElement.appendChild(iframe.contentDocument.createElement('div'));
            var div2 = document.documentElement.appendChild(document.createElement('div'));
            waitForEventOnce(iframe.contentDocument, 'webkitfullscreenchange', function() {
                waitForEventOnce(document, 'webkitfullscreenerror', function(){
                    waitForEventOnce(iframe.contentDocument, 'webkitfullscreenchange', step5);
                    iframe.contentDocument.webkitExitFullscreen(); 
                });
                runWithKeyDown(function(){div2.webkitRequestFullscreen()});
            });
            runWithKeyDown(function(){div.webkitRequestFullscreen()});
        };

        var step5 = function() {
            consoleWrite('"This algorithm is not allowed to show a pop-up."');
            var div = document.documentElement.appendChild(document.createElement('div'));
            waitForEventOnce(document, 'webkitfullscreenerror', endTest);
            div.webkitRequestFullscreen();
        };
    }
</script>