<!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true ] -->

<html>
<head>
    <meta name="viewport" content="initial-scale=0.5">
    <style>
        button {
            display: block;
        }
        iframe {
            margin-top: 800px;
        }
    </style>
    
    <script src="resources/zooming-test-utils.js"></script>
    <script>
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }

    if (window.internals)
        internals.settings.setFrameFlattening("FullyEnabled")

    function getTypingUIScript()
    {
        return `
            (function() {
                uiController.typeCharacterUsingHardwareKeyboard('delete', function() {
                    uiController.uiScriptComplete();
                });
            })();`
    }

    function buttonClicked()
    {
        document.getElementById('frame').contentDocument.getElementById('input').focus();
    }
    
    function pageDidScroll()
    {
        document.getElementById('result').textContent = 'FAIL: page scrolled to ' + document.scrollingElement.scrollTop;
    }

    function testTyping()
    {
        window.addEventListener('scroll', pageDidScroll, false);

        var uiScript = getTypingUIScript();
        testRunner.runUIScript(uiScript, function() {
            // Wait for any scroll to happen.
            window.setTimeout(function() {
                if (window.testRunner)
                    testRunner.notifyDone();
            }, 100);
        });
    }

    function doTest()
    {
        // Get the text field focused via a user event so we zoom to it.
        var point = getPointInsideElement(document.getElementById('target'), 10, 10);

        var uiScript = zoomAfterSingleTapUIScript(point.x, point.y, true);
        testRunner.runUIScript(uiScript, function(result) {
            window.setTimeout(function() {
                testTyping();
            }, 0);
        });
    }

    window.addEventListener('load', doTest, false);
    </script>
</head>
<body>

<p>Tests that typing into a text input in an iframe should not scroll.</p>
<div id="result">
    PASS: page did not scroll.
</div>

<button id="target" onclick="buttonClicked()">Click to focus input</button>

<iframe id="frame" srcdoc="<style>input { margin: 400px 20px; }</style>
<input id='input' type='text' value='aaa'>
"></iframe>

</body>
</html>