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+<!DOCTYPE html>
+<html>
+<head>
+<title>Custom Elements: CEReactions on HTMLOptionElement interface</title>
+<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+<meta name="assert" content="text of HTMLOptionElement interface must have CEReactions">
+<meta name="help" content="https://dom.spec.whatwg.org/#node">
+<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', []);
+ contentDocument.body.innerHTML = `<select><option></option></select>`;
+ const option = contentDocument.querySelector('option');
+ const instance = document.createElement('custom-element');
+ option.appendChild(instance);
+ instance.textContent = 'hello';
+
+ assert_array_equals(element.takeLog().types(), ['constructed', 'connected']);
+ assert_equals(option.innerHTML, '<custom-element>hello</custom-element>');
+
+ option.text = 'world';
+ assert_equals(option.innerHTML, 'world');
+ assert_array_equals(element.takeLog().types(), ['disconnected']);
+}, 'text on HTMLOptionElement must enqueue disconnectedCallback when removing a custom element');
+
+</script>
+</body>
+</html>