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-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vlr-in-multicol-ref.html21
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-ltr-in-multicol.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-rtl-in-multicol.tentative.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-ltr-in-multicol.tentative.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-rtl-in-multicol.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vrl-in-multicol-ref.html21
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-ltr-in-multicol.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-rtl-in-multicol.tentative.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-ltr-in-multicol.tentative.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-rtl-in-multicol.html60
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vlr-in-multicols-ref.html41
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vlr-ltr-ltr-in-multicols.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vlr-ltr-rtl-in-multicols.tentative.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vlr-rtl-ltr-in-multicols.tentative.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vlr-rtl-rtl-in-multicols.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vrl-in-multicols-ref.html41
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vrl-ltr-ltr-in-multicols.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vrl-ltr-rtl-in-multicols.tentative.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vrl-rtl-ltr-in-multicols.tentative.html97
-rw-r--r--testing/web-platform/tests/css/css-position/multicol/vrl-rtl-rtl-in-multicols.html97
20 files changed, 1380 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-in-multicol-ref.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-in-multicol-ref.html
new file mode 100644
index 0000000000..908f43a002
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-in-multicol-ref.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ background: green;
+ inline-size: 80px;
+ block-size: 600px;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container"></div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-ltr-in-multicol.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-ltr-in-multicol.html
new file mode 100644
index 0000000000..45de6ffb42
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-ltr-in-multicol.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-rtl-in-multicol.tentative.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-rtl-in-multicol.tentative.html
new file mode 100644
index 0000000000..9cb6c26e9c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-ltr-rtl-in-multicol.tentative.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-ltr-in-multicol.tentative.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-ltr-in-multicol.tentative.html
new file mode 100644
index 0000000000..5a094987ba
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-ltr-in-multicol.tentative.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-rtl-in-multicol.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-rtl-in-multicol.html
new file mode 100644
index 0000000000..e7c4088aa4
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vlr-rtl-rtl-in-multicol.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-in-multicol-ref.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-in-multicol-ref.html
new file mode 100644
index 0000000000..0e22219eab
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-in-multicol-ref.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ background: green;
+ inline-size: 80px;
+ block-size: 600px;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container"></div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-ltr-in-multicol.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-ltr-in-multicol.html
new file mode 100644
index 0000000000..ae5059ce78
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-ltr-in-multicol.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="ltr cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-rtl-in-multicol.tentative.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-rtl-in-multicol.tentative.html
new file mode 100644
index 0000000000..44bf087765
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-ltr-rtl-in-multicol.tentative.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ X<span class="rtl cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-ltr-in-multicol.tentative.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-ltr-in-multicol.tentative.html
new file mode 100644
index 0000000000..3cf8e6728e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-ltr-in-multicol.tentative.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="ltr cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="ltr">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="ltr">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-rtl-in-multicol.html b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-rtl-in-multicol.html
new file mode 100644
index 0000000000..a13f1cf3e9
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/static-position/vrl-rtl-rtl-in-multicol.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicol-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 16px/1 Ahem;
+ inline-size: 80px;
+ block-size: 100px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 100px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb {
+ position: relative;
+ inset-block-start: 15px;
+ inset-inline-start: 20px;
+ }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ X<span class="rtl cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
+ </div>
+
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vlr-in-multicols-ref.html b/testing/web-platform/tests/css/css-position/multicol/vlr-in-multicols-ref.html
new file mode 100644
index 0000000000..a85eeaad64
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vlr-in-multicols-ref.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ background: green;
+ inline-size: 80px;
+ block-size: 120px;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-ltr-in-multicols.html b/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-ltr-in-multicols.html
new file mode 100644
index 0000000000..af20086994
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-ltr-in-multicols.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ <span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX XX<span class="red">XX</span>
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-rtl-in-multicols.tentative.html b/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-rtl-in-multicols.tentative.html
new file mode 100644
index 0000000000..dfb075f6ce
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vlr-ltr-rtl-in-multicols.tentative.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX <span class="red">XX</span>XX
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-ltr-in-multicols.tentative.html b/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-ltr-in-multicols.tentative.html
new file mode 100644
index 0000000000..bbcee5685a
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-ltr-in-multicols.tentative.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr">XX
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX XX<span class="red">XX</span>
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr">XX
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr cb">XX
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-rtl-in-multicols.html b/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-rtl-in-multicols.html
new file mode 100644
index 0000000000..fefae97f35
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vlr-rtl-rtl-in-multicols.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vlr-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-lr; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX <span class="red">XX</span>XX
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vrl-in-multicols-ref.html b/testing/web-platform/tests/css/css-position/multicol/vrl-in-multicols-ref.html
new file mode 100644
index 0000000000..858cbb52c8
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vrl-in-multicols-ref.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ background: green;
+ inline-size: 80px;
+ block-size: 120px;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
+
+<div class="multicol">
+ <div class="container"></div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-ltr-in-multicols.html b/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-ltr-in-multicols.html
new file mode 100644
index 0000000000..1d8390cd7c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-ltr-in-multicols.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ <span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX XX<span class="red">XX</span>
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-rtl-in-multicols.tentative.html b/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-rtl-in-multicols.tentative.html
new file mode 100644
index 0000000000..9806e9c932
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vrl-ltr-rtl-in-multicols.tentative.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX <span class="red">XX</span>XX
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ XX<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container ltr">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-ltr-in-multicols.tentative.html b/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-ltr-in-multicols.tentative.html
new file mode 100644
index 0000000000..091f678158
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-ltr-in-multicols.tentative.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr">XX
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX XX<span class="red">XX</span>
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr">XX
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br>XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="red">XX</span><span class="ltr cb">XX
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ XX<span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="ltr cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb"><span class="red">XX</span><span class="ltr">X
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br>X<span class="red">XX</span>
+ </span></span>
+ </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-rtl-in-multicols.html b/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-rtl-in-multicols.html
new file mode 100644
index 0000000000..b402d08fae
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/multicol/vrl-rtl-rtl-in-multicols.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
+<link rel="match" href="vrl-in-multicols-ref.html">
+<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+ body { writing-mode: vertical-rl; }
+ .container {
+ position: relative;
+ background: green;
+ font: 20px/1 Ahem;
+ inline-size: 80px;
+ block-size: 120px;
+ color: green;
+ }
+ .multicol {
+ column-count: 2;
+ column-fill: auto;
+ column-gap: 0;
+ block-size: 60px;
+ inline-size: 160px;
+ }
+ .red { color: red; }
+ .cb { position: relative; }
+ .rtl { direction: rtl; }
+ .ltr { direction: ltr; }
+ .inline { display: inline; }
+ .abs { position: absolute; }
+ .inset-start { inset-block-start: 0; inset-inline-start: 0; }
+ .inset-end { inset-block-end: 0; inset-inline-end: 0; }
+</style>
+
+There should be no red.
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX <span class="red">XX</span>XX
+ <div class="abs inline inset-start">XX</div>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XXXX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>XX
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ X<span class="rtl cb"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>
+ </span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs inline inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs inline inset-start">XX</div>
+ <span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>
+
+<div class="multicol">
+ <div class="container rtl">
+ <span class="cb">X<span class="rtl"><span class="red">XX</span>
+ <div class="abs block inset-end">XX</div>
+ XXXX XXXX XXXX XX
+ <div class="abs block inset-start">XX</div>
+ <br><span class="red">XX</span>X
+ </span></span>
+ </div>
+</div>