parser-mutations.html | Explore in Territory

<!DOCTYPE html>

<body>
<script src="../../../resources/js-test.js"></script>

<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    window.mutations = [];
    var observer = new MutationObserver(function(mutations, observer) {
        window.mutations = window.mutations.concat(mutations);
    });
    observer.observe(document.body, {childList: true, subtree:true});
</script>

<p>
    Mutation records should be delivered for all parser mutations after the above script.
</p>

<!-- Test parserRemoveChild and takeAllChildrenFrom doing the adoption agency algorithm. -->
<a><figure><iframe></iframe></a>

<!-- Test parserInsertBefore doing hoisting of elements from tables. -->
<table>
    <div></div>
</table>

<script>
    shouldBe('mutations.length', '22');
    for (var i = 0; i < mutations.length; i++)
        shouldBeEqualToString('mutations[' + i + '].type', 'childList');
    shouldBeEqualToString('mutations[1].target.tagName', 'BODY');
    shouldBe('mutations[1].addedNodes.length', '1');
    shouldBeEqualToString('mutations[1].addedNodes[0].tagName', 'P');
    shouldBeEqualToString('mutations[9].target.tagName', 'A');
    shouldBeEqualToString('mutations[9].removedNodes[0].tagName', 'FIGURE');
    shouldBe('mutations[9].removedNodes.length', '1');
    shouldBe('mutations[9].addedNodes.length', '0');
    shouldBeEqualToString('mutations[18].target.tagName', 'FIGURE');
    shouldBe('mutations[18].addedNodes.length', '1');
    shouldBe('mutations[18].removedNodes.length', '0');
    shouldBeEqualToString('mutations[18].addedNodes[0].tagName', 'DIV');
</script>
</body>
chromium/third_party/blink/web_tests/fast/dom/MutationObserver/parser-mutations.html
