Anne van Kesteren
cfa7025fc1
Automatic update from web-platform-tests DOM: more TreeWalker nextNode() coverage Complements https://github.com/whatwg/dom/pull/1433. -- wpt-commits: d2cf5e8afc8df9f64481ce9709ff7c1afb34ed7c wpt-pr: 60053
28 lines
1.2 KiB
JavaScript
28 lines
1.2 KiB
JavaScript
test(() => {
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const detached = document.createElement("div");
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const walker = document.createTreeWalker(document, 0, null);
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walker.currentNode = detached;
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assert_equals(walker.nextNode(), null);
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}, "nextNode() returns null when currentNode is a detached element with no descendants and whatToShow does not match it");
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test(() => {
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const detached = document.createElement("div");
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detached.appendChild(document.createElement("span"));
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const walker = document.createTreeWalker(document, NodeFilter.SHOW_ELEMENT, null);
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walker.currentNode = detached;
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assert_equals(walker.nextNode(), detached.firstChild);
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assert_equals(walker.nextNode(), null);
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}, "nextNode() returns null after exhausting a detached subtree");
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test(() => {
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const template = document.createElement("template");
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template.innerHTML = "text<div></div>text";
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const walker = document.createTreeWalker(
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document,
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NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT,
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null);
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walker.currentNode = template.content;
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assert_equals(walker.nextNode(), template.content.children[0]);
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assert_equals(walker.nextNode(), null);
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}, "nextNode() terminates when iterating over template.content not under the walker's root");
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