<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<!DOCTYPE HTML>
<html>
<!--
Test that arrows get the open attribute when their item's children are expanded.
-->
<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">
  <link rel="stylesheet" href="chrome://devtools/skin/light-theme.css" type="text/css">
</head>
<body>
<pre id="test">
<script src="head.js" type="application/javascript"></script>
<script type="application/javascript">

'use strict'

window.onload = async function () {
  try {
    const ReactDOM = browserRequire("devtools/client/shared/vendor/react-dom");
    const React = browserRequire("devtools/client/shared/vendor/react");
    const dom = require("devtools/client/shared/vendor/react-dom-factories");
    const Tree =
      React.createFactory(browserRequire("devtools/client/shared/components/VirtualizedTree"));

    const treeProps = Object.assign({}, TEST_TREE_INTERFACE, {
      renderItem: (item, depth, focused, arrow) => {
        return dom.div(
          {
            id: item,
            style: { marginLeft: depth * 16 + "px" }
          },
          arrow,
          item
        );
      }
    });
    const tree = ReactDOM.render(Tree(treeProps), window.document.body);

    TEST_TREE.expanded = new Set("ABCDEFGHIJKLMNO".split(""));
    await forceRender(tree);

    let arrows = document.querySelectorAll(".arrow");
    for (const a of arrows) {
      ok(a.classList.contains("open"), "Every arrow should be open.");
    }

    TEST_TREE.expanded = new Set();
    await forceRender(tree);

    arrows = document.querySelectorAll(".arrow");
    for (const a of arrows) {
      ok(!a.classList.contains("open"), "Every arrow should be closed.");
    }
  } catch(e) {
    ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
  } finally {
    SimpleTest.finish();
  }
};
</script>
</pre>
</body>
</html>
