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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/custom-elements/upgrading/Node-cloneNode-customized-builtins.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/custom-elements/upgrading/Node-cloneNode-customized-builtins.html b/testing/web-platform/tests/custom-elements/upgrading/Node-cloneNode-customized-builtins.html
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+++ b/testing/web-platform/tests/custom-elements/upgrading/Node-cloneNode-customized-builtins.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Custom Elements: Upgrading</title>
+<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+<meta name="assert" content="Node.prototype.cloneNode should upgrade a custom element">
+<link rel="help" href="https://html.spec.whatwg.org/#upgrades">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../resources/custom-elements-helpers.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script>
+setup({allow_uncaught_exception:true});
+
+test(function () {
+ class MyDiv1 extends HTMLDivElement {};
+ class MyDiv2 extends HTMLDivElement {};
+ class MyDiv3 extends HTMLDivElement {};
+ customElements.define('my-div1', MyDiv1, { extends: 'div' });
+ customElements.define('my-div2', MyDiv2, { extends: 'div' });
+
+ let instance = document.createElement('div', { is: 'my-div1'});
+ assert_true(instance instanceof MyDiv1);
+ instance.setAttribute('is', 'my-div2');
+ let clone = instance.cloneNode(false);
+ assert_not_equals(instance, clone);
+ assert_true(clone instanceof MyDiv1,
+ 'A cloned custom element must be an instance of the custom element even with an inconsistent "is" attribute');
+
+ let instance3 = document.createElement('div', { is: 'my-div3'});
+ assert_false(instance3 instanceof MyDiv3);
+ instance3.setAttribute('is', 'my-div2');
+ let clone3 = instance3.cloneNode(false);
+ assert_not_equals(instance3, clone);
+ customElements.define('my-div3', MyDiv3, { extends: 'div' });
+ document.body.appendChild(instance3);
+ document.body.appendChild(clone3);
+ assert_true(instance3 instanceof MyDiv3,
+ 'An undefined element must be upgraded even with an inconsistent "is" attribute');
+ assert_true(clone3 instanceof MyDiv3,
+ 'A cloned undefined element must be upgraded even with an inconsistent "is" attribute');
+}, 'Node.prototype.cloneNode(false) must be able to clone as a customized built-in element when it has an inconsistent "is" attribute');
+
+</script>
+</body>
+</html>