forked from mirrors/gecko-dev
8640fa2942
Differential Revision: https://phabricator.services.mozilla.com/D50637 --HG-- extra : moz-landing-system : lando
133 lines
3.9 KiB
HTML
133 lines
3.9 KiB
HTML
<!-- 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 we only render visible tree items.
|
|
-->
|
|
<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>
|
|
<pre id="test">
|
|
<script src="head.js" type="application/javascript"></script>
|
|
<script type="application/javascript">
|
|
|
|
'use strict'
|
|
|
|
window.onload = async function () {
|
|
try {
|
|
function getSpacerHeights() {
|
|
return {
|
|
top: document.querySelector(".tree > div:first-of-type").clientHeight,
|
|
bottom: document.querySelector(".tree > div:last-of-type").clientHeight,
|
|
};
|
|
}
|
|
|
|
const ITEM_HEIGHT = 3;
|
|
|
|
const ReactDOM = browserRequire("devtools/client/shared/vendor/react-dom");
|
|
const React = browserRequire("devtools/client/shared/vendor/react");
|
|
const Tree = React.createFactory(browserRequire("devtools/client/shared/components/VirtualizedTree"));
|
|
|
|
const tree = ReactDOM.render(
|
|
Tree(Object.assign({}, TEST_TREE_INTERFACE, { itemHeight: ITEM_HEIGHT })),
|
|
window.document.body);
|
|
|
|
TEST_TREE.expanded = new Set("ABCDEFGHIJKLMNO".split(""));
|
|
|
|
await setState(tree, {
|
|
height: 3 * ITEM_HEIGHT,
|
|
scroll: 1 * ITEM_HEIGHT
|
|
});
|
|
|
|
isAccessibleTree(tree);
|
|
isRenderedTree(document.body.textContent, [
|
|
"A:false",
|
|
"-B:false",
|
|
"--E:false",
|
|
"---K:false",
|
|
"---L:false",
|
|
], "Tree should show the 2nd, 3rd, and 4th items + buffer of 1 item at each end");
|
|
|
|
let spacers = getSpacerHeights();
|
|
is(spacers.top, 0, "Top spacer has the correct height");
|
|
is(spacers.bottom, 10 * ITEM_HEIGHT, "Bottom spacer has the correct height");
|
|
|
|
await setState(tree, {
|
|
height: 2 * ITEM_HEIGHT,
|
|
scroll: 3 * ITEM_HEIGHT
|
|
});
|
|
|
|
isAccessibleTree(tree);
|
|
isRenderedTree(document.body.textContent, [
|
|
"--E:false",
|
|
"---K:false",
|
|
"---L:false",
|
|
"--F:false",
|
|
], "Tree should show the 4th and 5th item + buffer of 1 item at each end");
|
|
|
|
spacers = getSpacerHeights();
|
|
is(spacers.top, 2 * ITEM_HEIGHT, "Top spacer has the correct height");
|
|
is(spacers.bottom, 9 * ITEM_HEIGHT, "Bottom spacer has the correct height");
|
|
|
|
// Set height to 2 items + 1 pixel at each end, scroll so that 4 items are visible
|
|
// (2 fully, 2 partially with 1 visible pixel)
|
|
await setState(tree, {
|
|
height: 2 * ITEM_HEIGHT + 2,
|
|
scroll: 3 * ITEM_HEIGHT - 1
|
|
});
|
|
|
|
isRenderedTree(document.body.textContent, [
|
|
"-B:false",
|
|
"--E:false",
|
|
"---K:false",
|
|
"---L:false",
|
|
"--F:false",
|
|
"--G:false",
|
|
], "Tree should show the 4 visible items + buffer of 1 item at each end");
|
|
|
|
spacers = getSpacerHeights();
|
|
is(spacers.top, 1 * ITEM_HEIGHT, "Top spacer has the correct height");
|
|
is(spacers.bottom, 8 * ITEM_HEIGHT, "Bottom spacer has the correct height");
|
|
|
|
await setState(tree, {
|
|
height: 20 * ITEM_HEIGHT,
|
|
scroll: 0
|
|
});
|
|
|
|
isRenderedTree(document.body.textContent, [
|
|
"A:false",
|
|
"-B:false",
|
|
"--E:false",
|
|
"---K:false",
|
|
"---L:false",
|
|
"--F:false",
|
|
"--G:false",
|
|
"-C:false",
|
|
"--H:false",
|
|
"--I:false",
|
|
"-D:false",
|
|
"--J:false",
|
|
"M:false",
|
|
"-N:false",
|
|
"--O:false",
|
|
], "Tree should show all rows");
|
|
|
|
spacers = getSpacerHeights();
|
|
is(spacers.top, 0, "Top spacer has zero height");
|
|
is(spacers.bottom, 0, "Bottom spacer has zero height");
|
|
} catch(e) {
|
|
ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
|
|
} finally {
|
|
SimpleTest.finish();
|
|
}
|
|
};
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|