<html>
<head>
<script src="../../http/tests/inspector/resources/protocol-test.js"></script>
<script>
function moveNode()
{
    var targetElement = document.getElementById("target_element");
    targetElement.addEventListener("DOMNodeRemoved", function() {
        targetElement.removeEventListener("DOMNodeRemoved", arguments.callee);
        document.getElementById("final_container").appendChild(this);
    });
    // Remove all the children inside parent container, including "#target_element".
    var parentContainer = document.getElementById("parent_container");
    parentContainer.textContent = "Parent container is now empty";
}

function test()
{
    var nodesById = {};

    InspectorProtocol.eventHandler["DOM.setChildNodes"] = onSetChildNodes;
    InspectorProtocol.eventHandler["DOM.childNodeRemoved"] = onChildNodeRemoved;
    InspectorProtocol.eventHandler["DOM.childNodeInserted"] = onChildNodeInserted;

    function createNodeAttributesMap(attributes)
    {
        var attributesMap = {};
        for (var i = 0; i < attributes.length; i += 2)
            attributesMap[attributes[i]] = attributes[i + 1];
        return attributesMap;
    }

    function collectNode(node)
    {
        if (node.nodeType === 1)
            node.attributes = createNodeAttributesMap(node.attributes);
        if (node.children)
            node.children.forEach(collectNode);
        nodesById[node.nodeId] = node;
    }

    function nodeToString(node)
    {
        switch (node.nodeType) {
        case 1:
            return node.localName + "#" + node.attributes.id;
        case 3:
            return "<text node " + JSON.stringify(node.nodeValue) + ">";
        default:
            return "<nodeType " + node.nodeType + ">";
        }
    }

    function getNodeIdentifier(nodeId)
    {
        if (!nodeId)
            return "<invalid node id>";
        var node = nodesById[nodeId];
        return node ? nodeToString(node) : "<unknown node>";
    }

    function onSetChildNodes(response)
    {
        response.params.nodes.forEach(collectNode);
    }

    function onChildNodeRemoved(response)
    {
        var nodeId = response.params.nodeId;
        ProtocolTest.log("Removing node " + getNodeIdentifier(nodeId));
        delete nodesById[nodeId];
    }

    function onChildNodeInserted(response)
    {
        collectNode(response.params.node);
        ProtocolTest.log("Inserting node " + getNodeIdentifier(response.params.node.nodeId) + " into " + getNodeIdentifier(response.params.parentNodeId));
    }

    InspectorProtocol.sendCommand("DOM.getDocument", {}, onGotDocument);

    function onGotDocument(msg)
    {
        InspectorProtocol.checkForError(msg);
        InspectorProtocol.sendCommand("DOM.querySelectorAll", {"nodeId": msg.result.root.nodeId, "selector": "#parent_container,#final_container"}, onQuerySelectorAll);
    }

    function onQuerySelectorAll(response)
    {
        // Make sure we receive the children of the "#final_container" as they are added.
        for (var i = 0; i < response.result.nodeIds.length; ++i)
            InspectorProtocol.sendCommand("DOM.requestChildNodes", {nodeId: response.result.nodeIds[i]});
        
        InspectorProtocol.sendCommand("Runtime.evaluate", {"expression": "moveNode()"}, function() {
            delete InspectorProtocol.eventHandler["DOM.setChildNodes"];
            delete InspectorProtocol.eventHandler["DOM.childNodeRemoved"];
            delete InspectorProtocol.eventHandler["DOM.childNodeInserted"];
            ProtocolTest.completeTest();
        });
    }
}
</script>
</head>
<body onload="runTest()">

<p>Testing that DOM.childNodeRemoved is correctly triggered when all the parent children of a node are removed at once.</p>

<div id="parent_container">
    <div id="before">FAIL: Element "#before" should be removed</div>
    <div id="target_element">Target element</div>
    <div id="after">FAIL: Element "#after" should be removed</div>
</div>

<p id="final_container">Target element should have been moved after this line:</p>

</body>
</html>