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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /custom-elements/reactions/HTMLTitleElement.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>Custom Elements: CEReactions on HTMLTitleElement interface</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="text of HTMLTitleElement interface must have CEReactions">
<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>
test_with_window(function (contentWindow, contentDocument) {
const element = define_custom_element_in_window(contentWindow, 'custom-element', []);
const instance = contentWindow.document.createElement(element.name);
assert_array_equals(element.takeLog().types(), ['constructed']);
contentWindow.document.title = 'hello';
const titleElement = contentDocument.querySelector('title');
titleElement.appendChild(instance);
assert_array_equals(element.takeLog().types(), ['connected']);
assert_equals(titleElement.childNodes.length, 2);
titleElement.text = 'world';
assert_equals(titleElement.childNodes.length, 1);
assert_array_equals(element.takeLog().types(), ['disconnected']);
}, 'text on HTMLTitleElement must enqueue disconnectedCallback when removing a custom element');
</script>
</body>
</html>