5445923748
Automatic update from web-platform-tests Upstream dom/ tests from jsdom -- wpt-commits: 306b7ef2778d9673bf5db1acf7dd2cd1482abda7 wpt-pr: 22727
56 lines
1.6 KiB
HTML
56 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Attributes are Nodes but should not be accepted outside of the `attributes` NamedNodeMap</title>
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<link rel=help href="https://dom.spec.whatwg.org/#dom-core-changes">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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"use strict";
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test(() => {
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const attribute = document.createAttribute("newattribute");
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assert_true(attribute instanceof Node, "attribute instances are instances of Node");
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assert_true(Attr.prototype instanceof Node, "attribute instances are instances of Node");
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}, "Attrs are subclasses of Nodes");
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test(() => {
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const parent = document.createElement("p");
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const attribute = document.createAttribute("newattribute");
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assert_throws_dom("HierarchyRequestError", () => {
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parent.appendChild(attribute);
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});
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}, "appendChild with an attribute as the child should fail");
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test(() => {
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const parent = document.createElement("p");
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parent.appendChild(document.createElement("span"));
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const attribute = document.createAttribute("newattribute");
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assert_throws_dom("HierarchyRequestError", () => {
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parent.replaceChild(attribute, parent.firstChild);
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});
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}, "replaceChild with an attribute as the child should fail");
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test(() => {
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const parent = document.createElement("p");
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parent.appendChild(document.createElement("span"));
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const attribute = document.createAttribute("newattribute");
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assert_throws_dom("HierarchyRequestError", () => {
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parent.insertBefore(attribute, parent.firstChild);
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});
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}, "insertBefore with an attribute as the child should fail");
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</script>
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