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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<form>
<select>
<option value='foo'>bar</option>
</select>
</form>
<script>
test(() => {
var option = document.querySelector('option');
var textChild = option.firstChild;
assert_equals(textChild.nodeValue, "bar", "Verify that text child node's value equals the option value.");
assert_true(textChild.isConnected, 'Verify that text child node is in the document.');
option.text = "baz";
assert_equals(textChild.nodeValue, "bar", 'Verify that the text child node does not have an updated value.');
assert_false(textChild.isConnected, 'Verify that the text child node is not in the document.');
assert_not_equals(textChild, option.firstChild, 'Verify that text child node was replaced by a different text child node.');
assert_equals(option.firstChild.nodeValue, "baz", 'Verify that the new text child node does equal the updated value.');
assert_equals(option.text, "baz", 'Verify that option text getter returns the updated value.');
option.text = "";
assert_equals(option.firstChild, null, 'Verify that after setting to empty string there are no child text nodes.');
}, 'Verify that using HTMLOptionElement.text setter does not update the existing text child node.');
</script>
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