custom-elements/reactions/Selection.html

<!DOCTYPE html>
<html>
<head>
<title>Custom Elements: CEReactions on Selection interface</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="deleteFromDocument of Selection interface must have CEReactions">
<meta name="help" content="http://w3c.github.io/selection-api/#selection-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/custom-elements-helpers.js"></script>
<script src="./resources/reactions.js"></script>
</head>
<body>
<div id="log"></div>
<script>

testNodeDisconnector(function (customElement, window) {
    let selection = window.getSelection();
    let parent = customElement.parentNode;

    // WebKit and Blink "normalizes" selection in selectAllChildren and not select the empty customElement.
    // Workaround this orthogonal non-standard behavior by inserting text nodes around the custom element.
    parent.prepend(document.createTextNode('start'));
    parent.append(document.createTextNode('end'));

    selection.selectAllChildren(parent);
    selection.deleteFromDocument();
}, 'deleteFromDocument on Selection');

</script>
</body>
</html>