Adding upstream version 125.0.1.upstream/125.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 231 insertions, 7 deletions

diff --git a/testing/web-platform/tests/css/css-grid/grid-model/grid-container-ignores-first-letter-001.html b/testing/web-platform/tests/css/css-grid/grid-model/grid-container-ignores-first-letter-001.html
index 8e322fe38e..db466b82cd 100644
--- a/testing/web-platform/tests/css/css-grid/grid-model/grid-container-ignores-first-letter-001.html
+++ b/testing/web-platform/tests/css/css-grid/grid-model/grid-container-ignores-first-letter-001.html
@@ -50,7 +50,7 @@
     <div class="item" data-expected-height=20>The first item.</div>
     <div class="item" data-expected-height=20>The second item.</div>
   </div>
-  <div data-expected-height=200>Out of grid.</div>
+  <div data-expected-height=20>Out of grid.</div>
 </div>
 
 <div class="container container-first-letter">
@@ -65,7 +65,7 @@
   <div class="grid grid-first-letter" data-expected-height=20>
     Anonymous item.
   </div>
-  <div data-expected-height=200>Out of grid.</div>
+  <div data-expected-height=20>Out of grid.</div>
 </div>
 
 <div class="container container-first-letter">
@@ -80,7 +80,7 @@
     <div class="item" data-expected-height=20>The first item.</div>
     <div class="item" data-expected-height=20>The second item.</div>
   </div>
-  <div data-expected-height=200>Out of grid.</div>
+  <div data-expected-height=20>Out of grid.</div>
 </div>
 
 <div class="container container-first-letter">
@@ -95,7 +95,7 @@
   <div class="grid" data-expected-height=20>
     Anonymous item.
   </div>
-  <div data-expected-height=200>Out of grid.</div>
+  <div data-expected-height=20>Out of grid.</div>
 </div>
 
 <div class="container container-first-letter">
diff --git a/testing/web-platform/tests/css/css-grid/parsing/grid-shorthand-serialization.html b/testing/web-platform/tests/css/css-grid/parsing/grid-shorthand-serialization.html
index 7751fd883b..29bab75f61 100644
--- a/testing/web-platform/tests/css/css-grid/parsing/grid-shorthand-serialization.html
+++ b/testing/web-platform/tests/css/css-grid/parsing/grid-shorthand-serialization.html
@@ -33,11 +33,12 @@
     }
 
     if (declarations) {
-      let cssText = div.style.cssText;
+      let cssTextSerialization = div.style.cssText;
       declarations.forEach(decl => {
         test(function(){
-          assert_true(cssText.indexOf(decl) !== -1, `cssText ('${cssText}') must contain '${decl}'`);
-        }, `cssText ('${cssText}') must contain '${decl}'`);
+          assert_true(cssTextSerialization.indexOf(decl) !== -1,
+                      `cssText serialization ('${cssTextSerialization}') must contain contain '${decl}'`);
+        }, `cssText ('${cssText}') must contain '${decl}' in its serialization`);
       });
     }
   }
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/line-names-010-ref.html b/testing/web-platform/tests/css/css-grid/subgrid/line-names-010-ref.html
index 9232f1dcf2..a4408517b4 100644
--- a/testing/web-platform/tests/css/css-grid/subgrid/line-names-010-ref.html
+++ b/testing/web-platform/tests/css/css-grid/subgrid/line-names-010-ref.html
@@ -102,5 +102,12 @@
     <x style="grid-column: 1 / 4">x</x>
   </div>
 </div>
+
+<div style="display:grid; grid-template-areas: 'a b c d'; grid-template-rows: 1fr 1fr;">
+  <i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i>
+  <div style="display:grid; grid:subgrid/subgrid; grid-column: a / d; grid-row: 2;">
+    <x style="grid-column: 3">x</x>
+  </div>
+</div>
 </body>
 </html>
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/line-names-010.html b/testing/web-platform/tests/css/css-grid/subgrid/line-names-010.html
index f22cfe3303..49295b50b4 100644
--- a/testing/web-platform/tests/css/css-grid/subgrid/line-names-010.html
+++ b/testing/web-platform/tests/css/css-grid/subgrid/line-names-010.html
@@ -103,5 +103,12 @@
     <x style="grid-column: a">x</x>
   </div>
 </div>
+
+<div style="display:grid; grid-template-areas: 'a b c d'; grid-template-rows: 1fr 1fr;">
+  <i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i>
+  <div style="display:grid; grid:subgrid/subgrid; grid-column: a / d; grid-row: 2;">
+    <x style="grid-column: c">x</x>
+  </div>
+</div>
 </body>
 </html>
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001-ref.html b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001-ref.html
new file mode 100644
index 0000000000..0d00d380b6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001-ref.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<meta charset="utf-8">
+<title>CSS Grid Reference: Subgrids with 'overflow' and/or 'scrollbar-gutter'</title>
+<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
+
+<style>
+:root {
+  overflow: scroll; /* Required to reproduce the bug on Firefox */
+}
+.grid {
+  display: inline-block;
+  inline-size: 75px;
+  border: 5px solid blue;
+  vertical-align: top;
+}
+.subgrid {
+  block-size: 75px;
+}
+.item {
+  inline-size: 50px;
+  block-size: 50px;
+  background: green;
+}
+fieldset {
+  margin: 0;
+  padding: 0;
+  border: 0;
+}
+</style>
+
+<p>All the following subgrid scroll container shouldn't have any scrollbars.</p>
+
+<p>Testcase 1: subgrid with 'overflow: scroll'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </div>
+</div>
+
+<p>Testcase 2: subgrid with 'overflow: auto' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+
+<p>Testcase 3: subgrid with 'overflow: hidden' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001.html b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001.html
new file mode 100644
index 0000000000..664e4bc70e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-001.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<meta charset="utf-8">
+<title>CSS Grid Test: Subgrids with 'overflow' and/or 'scrollbar-gutter'</title>
+<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1879770">
+<link rel="help" href="https://drafts.csswg.org/css-grid-2/#subgrid-item-contribution">
+<link rel="match" href="scrollbar-gutter-001-ref.html">
+
+<style>
+:root {
+  overflow: scroll; /* Required to reproduce the bug on Firefox */
+}
+.grid {
+  inline-size: 75px;
+  display: inline-grid;
+  border: 5px solid blue;
+  vertical-align: top;
+}
+.subgrid {
+  block-size: 75px;
+  display: grid;
+  grid: auto / subgrid;
+}
+.item {
+  inline-size: 50px;
+  block-size: 50px;
+  background: green;
+}
+</style>
+
+<p>All the following subgrid scroll container shouldn't have any scrollbars.</p>
+
+<p>Testcase 1: subgrid with 'overflow: scroll'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </div>
+</div>
+
+<p>Testcase 2: subgrid with 'overflow: auto' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+
+<p>Testcase 3: subgrid with 'overflow: hidden' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </div>
+</div>
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-002.html b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-002.html
new file mode 100644
index 0000000000..724bf06104
--- /dev/null
+++ b/testing/web-platform/tests/css/css-grid/subgrid/scrollbar-gutter-002.html
@@ -0,0 +1,73 @@
+<!DOCTYPE HTML>
+<meta charset="utf-8">
+<title>CSS Grid Test: Fieldset subgrids with 'overflow' and/or 'scrollbar-gutter'</title>
+<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1879770">
+<link rel="help" href="https://drafts.csswg.org/css-grid-2/#subgrid-item-contribution">
+<link rel="match" href="scrollbar-gutter-001-ref.html">
+
+<style>
+:root {
+  overflow: scroll; /* Required to reproduce the bug on Firefox */
+}
+.grid {
+  inline-size: 75px;
+  display: inline-grid;
+  border: 5px solid blue;
+  vertical-align: top;
+}
+.subgrid {
+  block-size: 75px;
+  display: grid;
+  grid: auto / subgrid;
+}
+.item {
+  inline-size: 50px;
+  block-size: 50px;
+  background: green;
+}
+fieldset {
+  margin: 0;
+  padding: 0;
+  border: 0;
+}
+</style>
+
+<p>All the following subgrid scroll container shouldn't have any scrollbars.</p>
+
+<p>Testcase 1: subgrid with 'overflow: scroll'</p>
+<div class="grid">
+  <fieldset class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </fieldset>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <fieldset class="subgrid" style="overflow: scroll;">
+    <div class="item"></div>
+  </fieldset>
+</div>
+
+<p>Testcase 2: subgrid with 'overflow: auto' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <fieldset class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </fieldset>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <fieldset class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </fieldset>
+</div>
+
+<p>Testcase 3: subgrid with 'overflow: hidden' and 'scrollbar-gutter: stable'</p>
+<div class="grid">
+  <fieldset class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </fieldset>
+</div>
+<div class="grid" style="writing-mode: vertical-rl;">
+  <fieldset class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
+    <div class="item"></div>
+  </fieldset>
+</div>