Bug 1433591: Test that dynamic changes properly affect hit-testing for elements that have anon boxes. r?bz
MozReview-Commit-ID: 3NfL4Lf7yOu
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -309160,16 +309160,22 @@
]
],
"css/cssom-view/elementFromPoint-003.html": [
[
"/css/cssom-view/elementFromPoint-003.html",
{}
]
],
+ "css/cssom-view/elementFromPoint-dynamic-anon-box.html": [
+ [
+ "/css/cssom-view/elementFromPoint-dynamic-anon-box.html",
+ {}
+ ]
+ ],
"css/cssom-view/elementFromPoint-parameters.html": [
[
"/css/cssom-view/elementFromPoint-parameters.html",
{}
]
],
"css/cssom-view/elementFromPoint.html": [
[
new file mode 100644
--- /dev/null
+++ b/testing/web-platform/tests/css/cssom-view/elementFromPoint-dynamic-anon-box.html
@@ -0,0 +1,44 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>CSS Test: Hit testing on element previously hidden by an anonymous scroll box</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1433591">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+html, body {
+ margin: 0;
+ padding: 0;
+}
+/*
+ Create a hidden scrollbox that occupies the whole viewport, then give it
+ visibility: hidden dynamically. The link previously under the scrollbox
+ should be clickable.
+ */
+.scrollable {
+ position: absolute;
+ top: 0;
+ left: 0;
+ width: 100vw;
+ height: 100vh;
+ overflow: scroll;
+}
+
+.scrollable .inner {
+ display: table-cell;
+ width: 100vw;
+ height: 100vh;
+}
+</style>
+<div class="scrollable">
+ <div class="inner"></div>
+</div>
+<a href="#">Should be clickable</a>
+<script>
+test(function() {
+ assert_equals(document.elementFromPoint(10, 10).tagName, "DIV",
+ "Should hit the scrollbox contents");
+ document.querySelector('div').style.visibility = "hidden";
+ assert_equals(document.elementFromPoint(10, 10), document.querySelector('a'));
+}, "Link should be clickable after hiding a scrollbox with an anonymous table inside");
+</script>