Tests: Import WPT tests for clientLeft and clientTop

Import several WPT tests covering client* properties:
- client-props-input.html (border offsets on input/textarea)
- client-props-root.html (root element client properties)
- client-props-zoom.html (client properties with zoom)
- client-props-inline-list-item.html (inline list-item display)
- client-props-root-display-none-crash.html (crash test)
- table-client-props.html (table element client properties)
This commit is contained in:
Andreas Kling
2026-02-22 11:42:05 +01:00
committed by Jelle Raaijmakers
parent 675a7d4c0c
commit 90cfa2597d
Notes: github-actions[bot] 2026-02-22 12:25:22 +00:00
11 changed files with 309 additions and 0 deletions

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<!doctype html>
<title>client* on input / textarea</title>
<link rel="help" href="https://drafts.csswg.org/cssom-view/#extension-to-the-element-interface">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1654769">
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<script src=../../resources/testharness.js></script>
<script src=../../resources/testharnessreport.js></script>
<style>
input, textarea {
-webkit-appearance: none;
appearance: none;
height: 200px;
width: 300px;
border-style: solid;
border-width: 10px 20px;
padding: 2px;
box-sizing: content-box;
}
.block { display: block; }
</style>
<input>
<textarea></textarea>
<input class="block">
<textarea class="block"></textarea>
<script>
test(() => {
for (let element of document.querySelectorAll("input, textarea")) {
let description = `${element.nodeName} ${element.className}: `;
assert_equals(element.clientHeight, 204, description + "clientHeight should be the padding box height");
assert_equals(element.clientTop, 10, description + "clientTop should include the border offset");
// <input> clips to the content box edge in the inline axis, so it should also include the padding offset.
let expectedLeft = 20;
let expectedWidth = 304;
if (element.nodeName == "INPUT") {
expectedLeft += 2;
expectedWidth -= 4;
}
assert_equals(element.clientWidth, expectedWidth, description + "clientWidth should be the padding box for textarea, content box for input");
assert_equals(element.clientLeft, expectedLeft, description + "clientLeft should include the border offset for textarea and border + padding for input");
}
}, "client* on input / textarea");
</script>