<!DOCTYPE HTML>
<html>
<!--
Test that expanded DominatorTreeItems are correctly rendered and updated
-->
<head>
    <meta charset="utf-8">
    <title>Tree component test</title>
    <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
    <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
</head>
<body>
    <!-- Give the container height so that the whole tree is rendered. -->
    <div id="container" style="height: 900px;"></div>

    <pre id="test">
        <script src="head.js" type="application/javascript"></script>
        <script type="application/javascript">
        "use strict";
        window.onload = async function() {
          try {
            const container = document.getElementById("container");

            // simple tree with one root and one child
            const root = makeTestDominatorTreeNode(
              { moreChildrenAvailable: false },
              [
                makeTestDominatorTreeNode({ moreChildrenAvailable: false }),
              ]);
            ok(root.children);

            // root node is expanded
            const expanded = new Set();
            expanded.add(root.nodeId);

            await renderComponent(
              DominatorTreeComponent(immutableUpdate(
                TEST_DOMINATOR_TREE_PROPS,
                {
                  dominatorTree: immutableUpdate(
                    TEST_DOMINATOR_TREE_PROPS.dominatorTree,
                    { expanded, root }
                  ),
                })), container);
            ok(true, "Dominator tree rendered");

            is(container.querySelectorAll(".tree-node").length, 2,
                "Should display two rows");
            is(container.querySelectorAll(".arrow.open").length, 1,
                "Should display one expanded arrow");

            await renderComponent(
              DominatorTreeComponent(immutableUpdate(
                TEST_DOMINATOR_TREE_PROPS,
                {
                  dominatorTree: immutableUpdate(
                    TEST_DOMINATOR_TREE_PROPS.dominatorTree,
                    { expanded: new Set(), root }
                  ),
                })), container);

            ok(true, "Dominator tree props updated to collapse all nodes");

            is(container.querySelectorAll(".tree-node").length, 1,
                "Should display only one row");
            is(container.querySelectorAll(".arrow.open").length, 0,
                "Should display no expanded arrow");
          } catch (e) {
            ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
          } finally {
            SimpleTest.finish();
          }
        };
        </script>
    </pre>
</body>
</html>
