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Automatic update from web-platform-testsAdd tests for liveness of NodeLists/HTMLCollections (#8993) * Add tests for liveness of NodeLists/HTMLCollections - Node#childNodes - ParentNode#children - {Document,Element}#getElementsByTagName - {Document,Element}#getElementsByTagNameNS - {Document,Element}#getElementsByClassName - Document#images - Document#embeds - Document#plugins - Document#links - Document#forms - Document#scripts - Document#getElementsByName * Move liveness tests to each of API test files * Fixed a nit issue * Modify the test description -- wpt-commits: 2d4fbd417e6772267c7755004e1022801fd3b92e wpt-pr: 8993
43 lines
1.4 KiB
HTML
43 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<title>Element.getElementsByClassName</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<script>
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test(function() {
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var a = document.createElement("a"), b = document.createElement("b")
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b.className = "foo"
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a.appendChild(b)
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var list = a.getElementsByClassName("foo")
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assert_array_equals(list, [b])
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var secondList = a.getElementsByClassName("foo")
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assert_true(list === secondList || list !== secondList, "Caching is allowed.")
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}, "getElementsByClassName should work on disconnected subtrees.")
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test(function() {
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var list = document.getElementsByClassName("foo")
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assert_false(list instanceof NodeList, "NodeList")
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assert_true(list instanceof HTMLCollection, "HTMLCollection")
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}, "Interface should be correct.")
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test(function() {
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var a = document.createElement("a");
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var b = document.createElement("b");
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var c = document.createElement("c");
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b.className = "foo";
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document.body.appendChild(a);
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this.add_cleanup(function() {document.body.removeChild(a)});
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a.appendChild(b);
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var l = a.getElementsByClassName("foo");
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assert_true(l instanceof HTMLCollection);
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assert_equals(l.length, 1);
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c.className = "foo";
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a.appendChild(c);
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assert_equals(l.length, 2);
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a.removeChild(c);
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assert_equals(l.length, 1);
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}, "getElementsByClassName() should be a live collection");
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</script>
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