<html>
<head>
<script>
// Setting WebKitDisplayImagesKey is asynchronous, so using queueReload and setInterval to check when the setting actually take effect.

var intervalId;
var imageOnloadFired = 0;

if (window.testRunner) {
    testRunner.dumpAsText();
    window.internals.settings.setImagesEnabled(true);
    testRunner.overridePreference('WebKitDisplayImagesKey', 0);
    testRunner.queueReload();
}

function runTest()
{
    var image = document.getElementById('image');
    if (image.naturalHeight != 0 || image.naturalWidth != 0 || imageOnloadFired != 0) {
        document.getElementById('result').innerHTML = 'FAILURE: Image should not be loaded when DisplayImage is unset';
        return;
    }

    testRunner.overridePreference('WebKitDisplayImagesKey', 1);
    document.getElementById('result').innerHTML = 'FAILURE: Image should reload in-place when DispalyImage is changes from unset to set';
    testRunner.waitUntilDone();
    intervalId = window.setInterval(runTestRest, 10);
}

function runTestRest()
{
    var image = document.getElementById('image');
    if (image.naturalHeight == 33 && image.naturalWidth == 37 && imageOnloadFired == 1) {
        document.getElementById('result').innerHTML = 'SUCCESS';
        window.clearInterval(intervalId);
        testRunner.notifyDone();
    }
}
</script>
</head>
<body onload="runTest()">
  Test that DisplayImages disabled can block http image and can be reloaded in-place when toggled.
  <div id="result">FAILURE: Test script didn't run.</div>
  <img id="image" src="../images/resources/oval.png" onload="imageOnloadFired=1;">
</body>
</html>