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<!-- 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
<!DOCTYPE HTML>
<html>
<!--
Test scroll position when focusing items in traversal but not rendered.
-->
<head>
<meta charset="utf-8">
<title>Tree component test</title>
<link rel="stylesheet" href="chrome://devtools/skin/light-theme.css" type="text/css">
<style>
.tree {
height: 30px;
overflow: auto;
display: block;
}
.tree-node {
font-size: 10px;
height: 10px;
}
</style>
</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 { createFactory } = browserRequire("devtools/client/shared/vendor/react");
const { Simulate } =
browserRequire("devtools/client/shared/vendor/react-dom-test-utils");
const Tree =
createFactory(browserRequire("devtools/client/shared/components/VirtualizedTree"));
TEST_TREE.expanded = new Set("ABCDEFGHIJKLMNO".split(""));
function renderTree(props) {
const treeProps = Object.assign({},
TEST_TREE_INTERFACE,
{
itemHeight: 10,
onFocus: item => renderTree({ focused: item })
},
props
);
return ReactDOM.render(Tree(treeProps), window.document.body);
}
info("Test first focused.");
const tree = renderTree({ focused: "A" });
await forceRender(tree);
isRenderedTree(document.body.textContent, [
"A:true",
"-B:false",
"--E:false",
"---K:false",
], "Should render initial correctly");
info("Test last item focused when it was not yet rendered.");
Simulate.keyDown(document.querySelector(".tree"), { key: "End" });
await forceRender(tree);
isRenderedTree(document.body.textContent, [
"--J:false",
"M:false",
"-N:false",
"--O:true",
], "Should render last focused item correctly");
info("Test first item focused when it was not yet rendered.");
Simulate.keyDown(document.querySelector(".tree"), { key: "Home" });
await forceRender(tree);
isRenderedTree(document.body.textContent, [
"A:true",
"-B:false",
"--E:false",
"---K:false",
], "Should render first focused item correctly");
} catch (e) {
ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
} finally {
SimpleTest.finish();
}
};
</script>
</pre>
</body>
</html>