From 0498e0019203aba0a18d0b9239befa905cf6ed67 Mon Sep 17 00:00:00 2001
From: Marco Castelluccio <mcastelluccio@mozilla.com>
Date: Fri, 16 Jun 2023 01:38:47 +0000
Subject: [PATCH] Bug 1834602 [wpt PR 40171] - Add WPT for overlay user-agent
 rules, a=testonly

Automatic update from web-platform-tests
Add WPT for overlay user-agent rules

This was asked for in the HTML PR here:
https://github.com/whatwg/html/pull/9093#discussion_r1198920153

Change-Id: I94e6960803a3fa9c6e1da4dc4393691b1c969c4b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4555988
Reviewed-by: Rune Lillesveen <futharkchromium.org>
Commit-Queue: Joey Arhar <jarharchromium.org>
Auto-Submit: Joey Arhar <jarharchromium.org>
Cr-Commit-Position: refs/heads/main{#1150875}

--

wpt-commits: 363864de8e79f2a88a9ea97841e4c396384b7900
wpt-pr: 40171

UltraBlame original commit: 7cacc3ee42bfcc339942fa4bdf95af8719309de8
---
 .../overlay/overlay-user-agent-rules.html     | 419 ++++++++++++++++++
 1 file changed, 419 insertions(+)
 create mode 100644 testing/web-platform/tests/css/css-position/overlay/overlay-user-agent-rules.html

diff --git a/testing/web-platform/tests/css/css-position/overlay/overlay-user-agent-rules.html b/testing/web-platform/tests/css/css-position/overlay/overlay-user-agent-rules.html
new file mode 100644
index 0000000000000..b2a967cf6ed9d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/overlay/overlay-user-agent-rules.html
@@ -0,0 +1,419 @@
+<
+!
+DOCTYPE
+html
+>
+<
+link
+rel
+=
+author
+href
+=
+"
+mailto
+:
+jarhar
+chromium
+.
+org
+"
+>
+<
+link
+rel
+=
+help
+href
+=
+"
+https
+:
+/
+/
+github
+.
+com
+/
+whatwg
+/
+html
+/
+pull
+/
+9093
+"
+>
+<
+link
+rel
+=
+help
+href
+=
+"
+https
+:
+/
+/
+drafts
+.
+csswg
+.
+org
+/
+css
+-
+position
+-
+4
+/
+#
+overlay
+"
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+title
+>
+CSS
+Position
+Test
+:
+User
+agent
+style
+for
+overlay
+<
+/
+title
+>
+<
+style
+>
+div
+{
+overlay
+:
+auto
+;
+}
+<
+/
+style
+>
+<
+body
+>
+<
+script
+>
+test
+(
+(
+)
+=
+>
+{
+const
+div
+=
+document
+.
+createElement
+(
+'
+div
+'
+)
+;
+document
+.
+body
+.
+appendChild
+(
+div
+)
+;
+div
+.
+style
+.
+overlay
+=
+'
+auto
+'
+;
+assert_equals
+(
+getComputedStyle
+(
+div
+)
+.
+overlay
+'
+none
+'
+)
+;
+}
+'
+HTML
+elements
+should
+have
+overlay
+:
+none
+!
+important
+from
+the
+user
+-
+agent
+.
+'
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+svg
+=
+document
+.
+createElement
+(
+'
+svg
+'
+)
+;
+document
+.
+body
+.
+appendChild
+(
+svg
+)
+;
+svg
+.
+style
+.
+overlay
+=
+'
+auto
+'
+;
+assert_equals
+(
+getComputedStyle
+(
+svg
+)
+.
+overlay
+'
+none
+'
+)
+;
+}
+'
+SVG
+elements
+should
+have
+overlay
+:
+none
+!
+important
+from
+the
+user
+-
+agent
+.
+'
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+nullNamespace
+=
+document
+.
+createElementNS
+(
+null
+'
+div
+'
+)
+;
+document
+.
+body
+.
+appendChild
+(
+nullNamespace
+)
+;
+assert_equals
+(
+getComputedStyle
+(
+nullNamespace
+)
+.
+overlay
+'
+none
+'
+)
+;
+}
+'
+Null
+namespace
+elements
+should
+have
+overlay
+:
+none
+!
+important
+from
+the
+user
+-
+agent
+.
+'
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+weirdNamespace
+=
+document
+.
+createElementNS
+(
+'
+hello
+world
+'
+'
+div
+'
+)
+;
+document
+.
+body
+.
+appendChild
+(
+weirdNamespace
+)
+;
+assert_equals
+(
+getComputedStyle
+(
+weirdNamespace
+)
+.
+overlay
+'
+none
+'
+)
+;
+}
+'
+Arbitrary
+namespace
+elements
+should
+have
+overlay
+:
+none
+!
+important
+from
+the
+user
+-
+agent
+.
+'
+)
+;
+<
+/
+script
+>