<!DOCTYPE html>

<html>
<head>
    <style>
        body {
            height: 2000px;
            width: 2000px;
        }
    </style>
    <script src="../../resources/js-test-pre.js"></script>
    <script>
        description("This test zooms and scrolls the page and checks that the layout and visual viewports respond as expected.");

        if (window.internals)
            internals.settings.setVisualViewportEnabled(true);

        window.jsTestIsAsync = true;

        function doAfterZooming()
        {
            window.scrollTo(0, 0);

            evalAndLogResult("JSON.stringify(internals.layoutViewportRect())");
            evalAndLogResult("JSON.stringify(internals.visualViewportRect())");

            debug('');
            window.scrollTo(475, 525);
            debug('Scrolled to ' + window.scrollX + ', ' + window.scrollY);

            evalAndLogResult("JSON.stringify(internals.layoutViewportRect())");
            evalAndLogResult("JSON.stringify(internals.visualViewportRect())");

            debug('');
            window.scrollTo(100, 776);
            debug('Scrolled to ' + window.scrollX + ', ' + window.scrollY);

            evalAndLogResult("JSON.stringify(internals.layoutViewportRect())");
            evalAndLogResult("JSON.stringify(internals.visualViewportRect())");

            debug('');
            window.scrollTo(50, 300);
            debug('Scrolled to ' + window.scrollX + ', ' + window.scrollY);

            evalAndLogResult("JSON.stringify(internals.layoutViewportRect())");
            evalAndLogResult("JSON.stringify(internals.visualViewportRect())");

            window.scrollTo(0, 0);

            finishJSTest();
        }
        
        function getUIScript()
        {
            return `(function() {
                uiController.zoomToScale(2, function() {
                    uiController.uiScriptComplete(uiController.zoomScale);
                });
            })();`;
        }

        function doTest()
        {
            if (!window.testRunner)
                return;

            testRunner.runUIScript(getUIScript(), function(zoomScale) {
                doAfterZooming();
            });
        }
        
        window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
    <script src="../../resources/js-test-post.js"></script>
</body>
</html>