From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../abspos-containing-block-initial-001-ref.xht    | 22 +++++++++++
 .../abspos/abspos-containing-block-initial-001.xht | 25 +++++++++++++
 .../abspos-containing-block-initial-004-ref.xht    |  9 +++++
 .../abspos-containing-block-initial-004a.xht       | 11 ++++++
 .../abspos-containing-block-initial-004b.xht       | 11 ++++++
 .../abspos-containing-block-initial-004c.xht       | 11 ++++++
 .../abspos-containing-block-initial-004d.xht       | 11 ++++++
 .../abspos-containing-block-initial-004e.xht       | 11 ++++++
 .../abspos-containing-block-initial-004f.xht       | 11 ++++++
 .../abspos-containing-block-initial-005-ref.xht    |  8 ++++
 .../abspos-containing-block-initial-005a.xht       | 11 ++++++
 .../abspos-containing-block-initial-005b.xht       | 11 ++++++
 .../abspos-containing-block-initial-005c.xht       | 11 ++++++
 .../abspos-containing-block-initial-005d.xht       | 11 ++++++
 .../abspos-containing-block-initial-007-ref.xht    | 10 +++++
 .../abspos/abspos-containing-block-initial-007.xht | 10 +++++
 .../abspos-containing-block-initial-009-ref.xht    |  8 ++++
 .../abspos-containing-block-initial-009a.xht       |  8 ++++
 .../abspos-containing-block-initial-009b.xht       |  8 ++++
 .../abspos-containing-block-initial-009e.xht       | 10 +++++
 .../abspos-containing-block-initial-009f.xht       | 10 +++++
 ...abspos-in-block-in-inline-in-relpos-inline.html | 43 ++++++++++++++++++++++
 ...-to-relpos-inline-in-inline-that-had-block.html | 31 ++++++++++++++++
 .../adjacent-to-relpos-inline-that-had-block.html  | 29 +++++++++++++++
 .../css/CSS2/abspos/between-float-and-text.html    | 11 ++++++
 .../CSS2/abspos/hypothetical-box-dynamic-ref.html  | 23 ++++++++++++
 .../css/CSS2/abspos/hypothetical-box-dynamic.html  | 37 +++++++++++++++++++
 ...pothetical-inline-alone-on-second-line-ref.html |  7 ++++
 .../hypothetical-inline-alone-on-second-line.html  | 10 +++++
 .../remove-block-between-inline-and-abspos.html    | 22 +++++++++++
 .../CSS2/abspos/static-fixed-inside-abspos.html    | 13 +++++++
 .../abspos/static-inside-inline-block-ref.html     | 11 ++++++
 .../CSS2/abspos/static-inside-inline-block.html    | 12 ++++++
 .../css/CSS2/abspos/static-inside-table-cell.html  | 17 +++++++++
 .../table-caption-is-containing-block-001.html     | 34 +++++++++++++++++
 .../abspos/table-caption-passes-abspos-up-001.html | 34 +++++++++++++++++
 36 files changed, 572 insertions(+)
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001-ref.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004-ref.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004a.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004b.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004c.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004d.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004e.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004f.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005-ref.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005a.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005b.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005c.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005d.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007-ref.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009-ref.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009a.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009b.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009e.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009f.xht
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/abspos-in-block-in-inline-in-relpos-inline.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-in-inline-that-had-block.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-that-had-block.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/between-float-and-text.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/remove-block-between-inline-and-abspos.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/static-fixed-inside-abspos.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block-ref.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/static-inside-table-cell.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/table-caption-is-containing-block-001.html
 create mode 100644 testing/web-platform/tests/css/CSS2/abspos/table-caption-passes-abspos-up-001.html

(limited to 'testing/web-platform/tests/css/CSS2/abspos')

diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001-ref.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001-ref.xht
new file mode 100644
index 0000000000..cafe2bd45c
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001-ref.xht
@@ -0,0 +1,22 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>
+<title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<style type="text/css">
+body { margin:0; }
+.pos { position:absolute; width:100px; height:100px; }
+</style>
+</head>
+<body>
+<div style="height:10000px; margin:0; margin:10px; border:20px solid black; padding:30px;"></div>
+<script type="text/javascript">
+window.scrollTo(0,50);
+</script>
+<div style="top:0; left:60px; background:yellow;" class="pos"></div>
+<div style="right:0; top:60px; background:orange;" class="pos"></div>
+<div style="bottom:0; left:60px; background:brown;" class="pos"></div>
+<div style="left:0; top:60px; background:pink;" class="pos"></div>
+
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001.xht
new file mode 100644
index 0000000000..3cdcc3f35b
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-001.xht
@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>
+<title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-001-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+<meta name="flags" content="dom" />
+<style type="text/css">
+html { margin:10px; border:20px solid black; padding:30px; }
+body { height:10000px; margin:0; }
+div { position:absolute; width:100px; height:100px; }
+</style>
+</head>
+<body>
+<script type="text/javascript">
+window.scrollTo(0,50);
+</script>
+<div style="top:0; background:yellow;"></div>
+<div style="right:0; background:orange;"></div>
+<div style="bottom:0; background:brown;"></div>
+<div style="left:0; background:pink;"></div>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004-ref.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004-ref.xht
new file mode 100644
index 0000000000..5a810a8f15
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004-ref.xht
@@ -0,0 +1,9 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="background:yellow;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+</head><body>
+<div style="position:absolute; top:100px; left:100px; width:100px; height:100px;
+            border:10px solid black;"></div>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004a.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004a.xht
new file mode 100644
index 0000000000..2c5e72c28d
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004a.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:absolute; left:100px; top:100px; width:100px; height:100px;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004b.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004b.xht
new file mode 100644
index 0000000000..1af1e5431c
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004b.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:fixed; left:100px; top:100px; width:100px; height:100px;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004c.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004c.xht
new file mode 100644
index 0000000000..ceebc031b0
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004c.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:absolute; left:100px; top:100px; width:100px; height:100px;
+             background:yellow; border:10px solid black; display:table;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004d.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004d.xht
new file mode 100644
index 0000000000..b310443483
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004d.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:fixed; left:100px; top:100px; width:100px; height:100px;
+             background:yellow; border:10px solid black; display:table"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004e.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004e.xht
new file mode 100644
index 0000000000..7fd8543dce
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004e.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="display:table"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body style="position:absolute; left:100px; top:100px; width:100px; height:100px; border:10px solid black;
+             background:yellow; margin:0">
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004f.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004f.xht
new file mode 100644
index 0000000000..d4268eaf64
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-004f.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="display:table"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-004-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body style="position:fixed; left:100px; top:100px; width:100px; height:100px; border:10px solid black;
+             background:yellow; margin:0">
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005-ref.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005-ref.xht
new file mode 100644
index 0000000000..6aa89cdc2d
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005-ref.xht
@@ -0,0 +1,8 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="background:yellow;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+</head><body style="margin:0">
+<div style="border:10px solid black; width:100px; height:100px;"></div>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005a.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005a.xht
new file mode 100644
index 0000000000..f8ebb1a885
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005a.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:absolute; width:100px; height:100px;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-005-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005b.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005b.xht
new file mode 100644
index 0000000000..150f866435
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005b.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:absolute; width:100px; height:100px; display:table;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-005-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005c.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005c.xht
new file mode 100644
index 0000000000..dcbbe77840
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005c.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:fixed; width:100px; height:100px;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-005-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005d.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005d.xht
new file mode 100644
index 0000000000..0da42db807
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-005d.xht
@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:fixed; width:100px; height:100px; display:table;
+             background:yellow; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-005-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007-ref.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007-ref.xht
new file mode 100644
index 0000000000..3a78c0d70c
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007-ref.xht
@@ -0,0 +1,10 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+</head><body style="margin:0;">
+<div style="position:relative; top:100px; left:100px; height:100px; border:10px solid black;">
+  <div style="position:absolute; bottom:0; height:30px; border:10px solid orange;">
+  </div>
+
+
+</div></body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007.xht
new file mode 100644
index 0000000000..0b70e1e63e
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-007.xht
@@ -0,0 +1,10 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:relative; top:100px; left:100px; height:100px; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-007-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body style="position:absolute; margin:0; bottom:0; height:30px; border:10px solid orange;">
+
+
+</body></html>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009-ref.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009-ref.xht
new file mode 100644
index 0000000000..11e2e946ea
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009-ref.xht
@@ -0,0 +1,8 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+</head><body style="margin:0">
+<div style="position:fixed; width:50%; height:50%; left:50px; top:50px; border:10px solid black;"></div>
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009a.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009a.xht
new file mode 100644
index 0000000000..b7f8daf636
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009a.xht
@@ -0,0 +1,8 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="width:50%; height:50%; margin:50px; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-009-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009b.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009b.xht
new file mode 100644
index 0000000000..8bbd8487af
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009b.xht
@@ -0,0 +1,8 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:absolute; left:50px; top:50px; width:50%; height:50%; border:10px solid black;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-009-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body>
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009e.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009e.xht
new file mode 100644
index 0000000000..c392d2c153
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009e.xht
@@ -0,0 +1,10 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-009-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body style="position:absolute; width:50%; height:50%; top:50px; left:50px; margin:0; border:10px solid black;">
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009f.xht b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009f.xht
new file mode 100644
index 0000000000..11cb450270
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-containing-block-initial-009f.xht
@@ -0,0 +1,10 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" style="position:relative; height:50%;"><head><title>CSS Test: Test for containing block for absolutely positioned elements being initial containing block</title>
+<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
+<link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
+<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
+<link rel="match" href="abspos-containing-block-initial-009-ref.xht"/>
+<meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." />
+</head><body style="position:absolute; width:50%; top:50px; left:50px; height:100%; margin:0; border:10px solid black;">
+
+
+</body></html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/css/CSS2/abspos/abspos-in-block-in-inline-in-relpos-inline.html b/testing/web-platform/tests/css/CSS2/abspos/abspos-in-block-in-inline-in-relpos-inline.html
new file mode 100644
index 0000000000..478251bcf1
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/abspos-in-block-in-inline-in-relpos-inline.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#containing-block-details">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#anonymous-block-level">
+<style>
+  body { margin: 0px;}
+  .rel { position:relative; }
+  .inline-block { display:inline-block; width:100px; height:1px; }
+  .inline-block.large { width:200px; }
+  #target { position:absolute; width:100%; height:100px; background:green; }
+  #target-fixed { position:fixed; width:100%; height:100px; background:yellow; }
+</style>
+<p>There should be a green square, and a yellow rectangle below.</p>
+<div style="height:200px;">
+  <span class="rel" id="notContainingBlockOfTarget">
+    <div class="large inline-block"></div>
+    <br>
+    <span id="containingBlockOfTarget" class="rel">
+      <div class="inline-block"></div>
+      <span>
+        <div>
+          <div id="target-fixed"></div>
+          <div id="target"></div>
+        </div>
+      </span>
+      <div class="inline-block"></div></span><br>
+    <div class="large inline-block"></div>
+  </span>
+</div>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+  test(()=> {
+    assert_equals(document.getElementById("target").offsetWidth,
+      // `offsetWidth` is not interoperable for block-in-inline.
+      // Use the size of ".inline-block" to avoid this.
+      document.querySelector("#containingBlockOfTarget .inline-block").offsetWidth);
+  }, "position:absolute should be sized by the right ancestor");
+  test(()=> {
+    assert_equals(document.getElementById("target-fixed").offsetWidth,
+      document.body.offsetWidth);
+  }, "position:fixed should be sized by the right ancestor");
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-in-inline-that-had-block.html b/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-in-inline-that-had-block.html
new file mode 100644
index 0000000000..1859ff8300
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-in-inline-that-had-block.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#containing-block-details">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#anonymous-block-level">
+<p>There should be a green square below, and no red.</p>
+<div style="position:relative; width:100px; height:100px; background:red;">
+  <span>
+    <span id="posMe">
+      <div id="removeMe"></div>
+    </span>
+  </span>
+  <span>
+    <div>
+      <div id="target" style="position:absolute; width:100%; height:100%; background:green;"></div>
+    </div>
+  </span>
+</div>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+  test(()=> {
+    document.body.offsetTop;
+    removeMe.style.display = "none";
+    document.body.offsetTop;
+    posMe.style.position = "relative";
+    assert_equals(document.getElementById("target").offsetWidth, 100);
+    assert_equals(document.getElementById("target").offsetHeight, 100);
+    assert_equals(document.getElementById("target").offsetLeft, 0);
+    assert_equals(document.getElementById("target").offsetTop, 0);
+  }, "Make sure that we're sized by the right ancestor");
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-that-had-block.html b/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-that-had-block.html
new file mode 100644
index 0000000000..293b88f520
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/adjacent-to-relpos-inline-that-had-block.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#containing-block-details">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#anonymous-block-level">
+<p>There should be a green square below, and no red.</p>
+<div style="position:relative; width:100px; height:100px; background:red;">
+  <span id="posMe">
+    <div id="removeMe"></div>
+  </span>
+  <span>
+    <div>
+      <div id="target" style="position:absolute; width:100%; height:100%; background:green;"></div>
+    </div>
+  </span>
+</div>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+  test(()=> {
+    document.body.offsetTop;
+    removeMe.style.display = "none";
+    document.body.offsetTop;
+    posMe.style.position = "relative";
+    assert_equals(document.getElementById("target").offsetWidth, 100);
+    assert_equals(document.getElementById("target").offsetHeight, 100);
+    assert_equals(document.getElementById("target").offsetLeft, 0);
+    assert_equals(document.getElementById("target").offsetTop, 0);
+  }, "Make sure that we're sized by the right ancestor");
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/between-float-and-text.html b/testing/web-platform/tests/css/CSS2/abspos/between-float-and-text.html
new file mode 100644
index 0000000000..b4c933e8d8
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/between-float-and-text.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>Auto-positioned abspos after text, before float</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="match" href="../../reference/ref-filled-green-200px-square.html">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="line-height:20px; margin-top:-20px;">
+  &nbsp;
+  <div style="position:absolute; width:200px; height:200px; background:green;"></div>
+  <div style="float:left; margin-top:20px; width:200px; height:200px; background:red;"></div>
+</div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html
new file mode 100644
index 0000000000..feb01b0515
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<title>CSS Test Reference</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<style>
+  div {
+    font: 16px / 1 monospace;
+    text-align: center;
+    margin: 5px;
+    position: relative;
+    min-height: 30px;
+  }
+  span {
+    position: absolute;
+  }
+</style>
+<p>Should see two words at the same horizontal position below:</p>
+<div>
+  <span>Foo</span>
+</div>
+<div>
+  <span>Foo</span>
+</div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic.html b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic.html
new file mode 100644
index 0000000000..7c7348727b
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-box-dynamic.html
@@ -0,0 +1,37 @@
+<!doctype html>
+<html class="reftest-wait">
+<title>Layout is correctly updated when the hypothetical display of an element changes, even though the final computed display doesn't</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-height" title="10.6.4 Absolutely positioned, non-replaced elements">
+<link rel="match" href="hypothetical-box-dynamic-ref.html">
+<style>
+  div {
+    font: 16px / 1 monospace;
+    text-align: center;
+    margin: 5px;
+    position: relative;
+    min-height: 30px;
+  }
+  span {
+    position: absolute;
+  }
+  .block {
+    display: block;
+  }
+</style>
+<p>Should see two words at the same horizontal position below:</p>
+<div>
+  <span class="block">Foo</span>
+</div>
+<div>
+  <span>Foo</span>
+</div>
+<script>
+onload = function() {
+  requestAnimationFrame(() => requestAnimationFrame(() => {
+    document.querySelector(".block").className = "";
+    document.documentElement.className = "";
+  }));
+}
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html
new file mode 100644
index 0000000000..1ceebb0f7e
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<p>The second line should be just below the first line.</p>
+<div style="padding-left:100px;">
+  Line 1<br>
+  Line 2
+</div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html
new file mode 100644
index 0000000000..b06c54f69c
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<title>Auto-positioned out-of-flow positioned box that would have been the sole piece of content on a second line, had it not been out-of-flow positioned</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-height" title="10.6.4 Absolutely positioned, non-replaced elements">
+<link rel="match" href="hypothetical-inline-alone-on-second-line-ref.html" />
+<p>The second line should be just below the first line.</p>
+<span style="padding-left:100px;">
+  Line 1<br>
+  <span style="position:absolute; padding-left:100px;">Line 2</span>
+</span>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/remove-block-between-inline-and-abspos.html b/testing/web-platform/tests/css/CSS2/abspos/remove-block-between-inline-and-abspos.html
new file mode 100644
index 0000000000..977f063bca
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/remove-block-between-inline-and-abspos.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<title>Removing block between inline and float should put the two on the same line</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#absolute-positioning" title="9.6 Absolute positioning">
+<link rel="match" href="../../reference/ref-filled-green-200px-square.html">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<!-- This is a block with block children, so inlines need to be wrapped inside
+     anonymous blocks. A float and out-of-flow positioned box is neutral here,
+     in that it can either live among block children OR among inline
+     children. If it is (or becomes) sibling of an inline child, though, it
+     should be wrapped inside the same anonymous block as the inline, or layout
+     will be wrong. -->
+<div style="width:200px; background:red;">
+  <div style="height:50px; background:green;"></div>
+  <div style="display:inline-block; vertical-align:top; width:100px; height:150px; background:green;"></div>
+  <div id="removeMe" style="height:100px;"></div>
+  <span style="position:absolute; width:100px; height:150px; background:green;"></span>
+</div>
+<script>
+  document.body.offsetTop; // Trigger layout.
+  document.getElementById("removeMe").style.display = "none";
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/static-fixed-inside-abspos.html b/testing/web-platform/tests/css/CSS2/abspos/static-fixed-inside-abspos.html
new file mode 100644
index 0000000000..e3c3aa450d
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/static-fixed-inside-abspos.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>Static position fixed inside static position absolute</title>
+<link rel="author" title="Martin Robinson" href="mrobinson@igalia.com">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+
+<div style="display: absolute; width: 100px; height: 100px; background: green;">
+    <div style="position: absolute; width: 50px; height: 50px; margin-left: 50px; margin-top: 50px; background: red;">
+        <div style="position: fixed; width: 50px; height: 50px; background: green;"></div>
+    </div>
+</div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block-ref.html b/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block-ref.html
new file mode 100644
index 0000000000..e76a2ccb97
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block-ref.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>Static position inside inline-block</title>
+<link rel="author" title="Martin Robinson" href="mrobinson@igalia.com">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="display: inline-block; width: 100px; height: 100px;"></div>
+<div style="display: inline-block; width: 100px; height: 100px; background: red;">
+    <div style="width: 100px; height: 100px; background: green;"></div>
+</div>
+<div style="display: inline-block; width: 100px; height: 100px;"></div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block.html b/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block.html
new file mode 100644
index 0000000000..327e8e6dac
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/static-inside-inline-block.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<title>Static position inside inline-block</title>
+<link rel="author" title="Martin Robinson" href="mrobinson@igalia.com">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="match" href="static-inside-inline-block-ref.html">
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="display: inline-block; width: 100px; height: 100px;"></div>
+<div style="display: inline-block; width: 100px; height: 100px; background: red;">
+    <div style="position: absolute; width: 100px; height: 100px; background: green;"></div>
+</div>
+<div style="display: inline-block; width: 100px; height: 100px;"></div>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/static-inside-table-cell.html b/testing/web-platform/tests/css/CSS2/abspos/static-inside-table-cell.html
new file mode 100644
index 0000000000..712bfbaf1e
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/static-inside-table-cell.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Static position inside table cell</title>
+<link rel="author" title="Aleks Totic" href="atotic@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="container" style="position:relative;">
+  <div id="changeMe" style="height:100px;"></div>
+  <div style="display:table-cell;">
+    <div style="position:absolute; width:100px; height:100px; background:green;"></div>
+    <div style="width:100px; height:100px; background:red;"></div>
+  </div>
+</div>
+<script>
+  document.body.offsetTop;
+  document.querySelector('#changeMe').style.height = "auto";
+</script>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/table-caption-is-containing-block-001.html b/testing/web-platform/tests/css/CSS2/abspos/table-caption-is-containing-block-001.html
new file mode 100644
index 0000000000..9e6eeb0c7a
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/table-caption-is-containing-block-001.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="author" title="David Grogan" href="dgrogan@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/tables.html#model">
+<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+<meta name="assert" content="relpos caption is containing block for abspos child" />
+<title>
+Captions and abspos descendants
+</title>
+
+<style>
+caption, div {
+  height:100px;
+  width:50px;
+  background:green;
+}
+#redSquare {
+  height: 100px;
+  width: 100px;
+  background-color: red;
+  position: absolute;
+  z-index: -1;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="redSquare"></div>
+
+<table>
+  <caption style="position:relative">
+    <div style="position:absolute; left:50px;">
+    </div>
+  </caption>
+</table>
diff --git a/testing/web-platform/tests/css/CSS2/abspos/table-caption-passes-abspos-up-001.html b/testing/web-platform/tests/css/CSS2/abspos/table-caption-passes-abspos-up-001.html
new file mode 100644
index 0000000000..008c07d455
--- /dev/null
+++ b/testing/web-platform/tests/css/CSS2/abspos/table-caption-passes-abspos-up-001.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="author" title="David Grogan" href="dgrogan@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/tables.html#model">
+<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+<meta name="assert" content="non-containing block caption passes abspos child to its parent" />
+<title>
+Captions and abspos descendants
+</title>
+
+<style>
+caption, div {
+  height:100px;
+  width:50px;
+  background:green;
+}
+#redSquare {
+  height: 100px;
+  width: 100px;
+  background-color: red;
+  position: absolute;
+  z-index: -1;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="redSquare"></div>
+
+<table style="position:relative">
+  <caption>
+    <div style="position:absolute; left:50px;">
+    </div>
+  </caption>
+</table>
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