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LibWeb: Implement PopoverInvokerElement attribute change steps

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PopoverInvokerElement's explicitly set attr-element should be set to
null whenever the value of the `popovertarget` content attribute is
changed.
This commit is contained in:
Tim Ledbetter 2024-12-12 19:53:04 +00:00 • committed by Tim Flynn
commit 022141647a
Notes: github-actions[bot] 2024-12-14 20:12:21 +00:00
7 changed files with 101 additions and 4 deletions
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53
Tests/LibWeb/Text/input/wpt-import/html/semantics/popovers/popovertarget-reflection.html Normal file
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<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1523410">
<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1879001">
<link rel=help href="https://html.spec.whatwg.org/multipage/common-dom-interfaces.html#reflecting-content-attributes-in-idl-attributes:element">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<button id=mybutton popovertarget="mypopover">toggle popover</button>
<div id=mypopover popover=auto>popover</div>
<script>
test(() => {
assert_equals(mybutton.popoverTargetElement.id, "mypopover",
'Setting element.popoverTargetElement to a valid element should work');
mybutton.popoverTargetElement = null;
assert_false(mybutton.hasAttribute('popovertarget'),
'Setting element.popoverTargetElement to null should unset popovertarget attribute.');
assert_equals(mybutton.popoverTargetElement, null,
'Setting element.popoverTargetElement to null should remove the existing element from element.popoverTargetElement.');
mybutton.popoverTargetElement = mypopover;
assert_true(mybutton.hasAttribute('popovertarget'),
'Assigning to element.popoverTargetElement should set the popovertarget attribute.');
mybutton.removeAttribute('popovertarget');
assert_equals(mybutton.popoverTargetElement, null,
'Removing the popovertarget attribute should remove the element from element.popoverTargetElement.');
mybutton.popoverTargetElement = mypopover;
assert_true(mybutton.hasAttribute('popovertarget'),
'Assigning to element.popoverTargetElement should set the popovertarget attribute.');
mybutton.setAttribute("popovertarget", 'invalid');
assert_equals(mybutton.popoverTargetElement, null,
'Setting the popovertarget attribute to a localName that is not attr should remove the existing element from element.popoverTargetElement.');
mybutton.popoverTargetElement = mypopover;
mybutton.setAttribute("popovertarget", "");
assert_equals(mybutton.popoverTargetElement, null,
'Setting the popovertarget attribute to empty string right after setting explicit element does remove the explicit element.');
mybutton.setAttribute("popovertarget", "mypopover");
assert_equals(mybutton.popoverTargetElement.id, "mypopover",
'Setting the popovertarget attribute to a value should set the popover target element.');
mybutton.setAttribute("popovertarget", "");
assert_equals(mybutton.getAttribute('popovertarget'), "",
'Assigning to element.popoverTargetElement to empty string should update the attribute value to empty string.');
assert_equals(mybutton.popoverTargetElement, null,
'Setting the popovertarget attribute to empty string should remove the existing element from element.popoverTargetElement.');
}, 'Element attribute reflection of popoverTargetElement/popovertarget should be kept in sync.');
</script>