<!DOCTYPE html><!-- webkit-test-runner [ AttachmentElementEnabled=true ] -->
<html>
<body contenteditable>
<script src="../../resources/js-test-pre.js"></script>
<script src="../../resources/ui-helper.js"></script>
<script>
function attachmentThumbnailInfo() {
    return window.internals.attachmentThumbnailInfo(document.getElementsByTagName("attachment")[0]);
}

async function runTest() {
    await UIHelper.activateAt(10, 10);
    await UIHelper.insertAttachmentForFilePath("resources/400x200-circle.png", "image/png");

    try {
        attachmentThumbnailInfo();
    } catch (e) {
        if (e.name == "InvalidAccessError")
            document.body.innerText = `Attachment thumbnails not supported.`;
        else
            document.body.innerText = e.name;
    }

    shouldBecomeDifferent('attachmentThumbnailInfo().width', '0', function () {
        let info = attachmentThumbnailInfo();
        document.body.innerText = `Attachment Thumbnail: ${info.width}x${info.height}`;
        testRunner.notifyDone();
    });
}

testRunner.dumpAsText();
testRunner.waitUntilDone();
addEventListener("load", runTest);
</script>
</body>
</html>