From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:47:29 +0200
Subject: Adding upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../tests/css/cssom-view/checkVisibility.html      | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 testing/web-platform/tests/css/cssom-view/checkVisibility.html

(limited to 'testing/web-platform/tests/css/cssom-view/checkVisibility.html')
diff --git a/testing/web-platform/tests/css/cssom-view/checkVisibility.html b/testing/web-platform/tests/css/cssom-view/checkVisibility.html
new file mode 100644
index 0000000000..3ab1cc7dc2
--- /dev/null
+++ b/testing/web-platform/tests/css/cssom-view/checkVisibility.html
@@ -0,0 +1,99 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://github.com/w3c/csswg-drafts/issues/6850">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id=visibilityhidden style="visibility:hidden">hello</div>
+
+<div style="content-visibility:hidden">
+  <div id=cvhidden>hello</div>
+</div>
+
+<div style="content-visibility:auto">
+  <div id=cvauto>hello</div>
+</div>
+
+<div id=displaynone style="display:none">hello</div>
+
+<div id=opacityzero style="opacity:0">hello</div>
+
+<div style="content-visibility:hidden">
+  <div id=cvhiddenchildwithupdate></div>
+</div>
+
+<div style="content-visibility:hidden" id=cvhiddenwithupdate></div>
+
+<div style="height:10000px">spacer</div>
+
+<div style="content-visibility:auto">
+  <div id=cvautooffscreen>hello</div>
+</div>
+
+<div id=cvautocontainer>
+  <div id=cvautochild></div>
+</div>
+
+<div style="content-visibility:auto">
+  <div style="content-visibility:auto">
+    <div id=nestedcvautochild></div>
+  </div>
+</div>
+
+<script>
+test(() => {
+  assert_false(visibilityhidden.checkVisibility({
+    checkVisibilityCSS: true
+  }), 'checkVisibilityCSS:true');
+  assert_true(visibilityhidden.checkVisibility({
+    checkVisibilityCSS: false
+  }), 'checkVisibilityCSS:false');
+}, 'checkVisibility on visibility:hidden element.');
+
+test(() => {
+  assert_false(cvhidden.checkVisibility());
+}, 'checkVisibility on content-visibility:hidden element.');
+
+test(() => {
+  assert_true(cvauto.checkVisibility());
+}, 'checkVisibility on content-visibility:auto element.');
+
+test(() => {
+  assert_true(cvautooffscreen.checkVisibility());
+}, 'checkVisibility on content-visibility:auto element which is outside the viewport.');
+
+test(() => {
+  assert_false(displaynone.checkVisibility());
+}, 'checkVisibility on display:none element.');
+
+test(() => {
+  assert_false(opacityzero.checkVisibility({
+    checkOpacity: true
+  }), 'checkOpacity:true');
+  assert_true(opacityzero.checkVisibility({
+    checkOpacity: false
+  }), 'checkOpacity:false');
+}, 'checkVisibility on opacity:0 element.');
+
+test(() => {
+  cvautocontainer.style.contentVisibility = 'auto';
+  cvautochild.style.visibility = 'hidden';
+  assert_false(cvautochild.checkVisibility({checkVisibilityCSS: true}));
+  cvautochild.style.visibility = 'visible';
+  assert_true(cvautochild.checkVisibility({checkVisibilityCSS: true}));
+}, 'checkVisibility on content-visibility:auto with visibility:hidden inside.');
+
+test(() => {
+  assert_true(nestedcvautochild.checkVisibility());
+}, 'checkVisibility on nested content-visibility:auto containers reports that the content is visible.');
+
+test(() => {
+  cvhiddenchildwithupdate.getBoundingClientRect();
+  assert_false(cvhiddenchildwithupdate.checkVisibility());
+}, 'checkVisibility on content-visibility:hidden child after forced layout update.');
+
+test(() => {
+  cvhiddenwithupdate.getBoundingClientRect();
+  assert_true(cvhiddenwithupdate.checkVisibility());
+}, 'checkVisibility on content-visibility:hidden element after forced layout update.');
+</script>
-- 
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