023.html - mozsearch

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/editing/dnd/images/023.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<script src="../resources/test-helper.js"></script>

<head>

  <title>Dropping image on horizontal object scrollbar</title>

  <style type="text/css">

    p:first-child {

      padding-left: 1em;

    object {

      height: 3em;

      width: 4em;

    img {

      width: 5px;

      height: 5px;

  </style>

  <script>

    function dragImage() {

      event.dataTransfer.effectAllowed = 'copy';

  </script>

</head>

<body ondragenter="event.preventDefault()" ondragover="return false">

  <p><img

      src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAEElEQVR42mNgaGD4D8YwBgAw9AX9Y9zBwwAAAABJRU5ErkJggg=="

      alt="PNG green pixel" ondragstart="dragImage()" /></p>

  <p>Drag little square above and drop it on horizontal scrollbar. Word PASS should appear once you drop it.</p>

  <object type="text/html" data="helper-drop-horizontal-scrollbar.xhtml">XHTML document</object>

  <script>

    async function test() {

      await new Promise(loaded => window.addEventListener("load", loaded));

      const img = document.querySelector('img');

      const object = document.querySelector('object');

      const objDoc = object.contentDocument || object.contentWindow.document;

      const div = objDoc.querySelector('div');

      function onDropCallBack(event) {

        assert_equals(div.textContent, 'PASS');

        return true;

      dragDropTest(img, div, onDropCallBack,

        'Dragging the image to the horizontal object scrollbar should copy it there', /*dragIframe=*/ null, object);

    test();

  </script>

</body>

</html>