From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../fieldset/fieldset-add-invalid-barred.html      | 22 ++++++++++++++++
 .../fieldset-add-invalid-element-dynamic.html      | 21 ++++++++++++++++
 .../fieldset/fieldset-add-invalid-element.html     | 22 ++++++++++++++++
 .../fieldset-add-invalid-with-valid-element.html   | 22 ++++++++++++++++
 .../fieldset/fieldset-add-valid-element.html       | 22 ++++++++++++++++
 .../fieldset-add-valid-with-invalid-element.html   | 22 ++++++++++++++++
 .../fieldset-add-valid-with-no-element.html        | 21 ++++++++++++++++
 .../css-invalid/fieldset/fieldset-div-invalid.html | 17 +++++++++++++
 .../fieldset/fieldset-dynamic-invalid-barred.html  | 22 ++++++++++++++++
 .../fieldset-dynamic-invalid-not-barred.html       | 20 +++++++++++++++
 .../fieldset/fieldset-dynamic-invalid.html         | 21 ++++++++++++++++
 .../fieldset/fieldset-dynamic-valid.html           | 21 ++++++++++++++++
 .../fieldset-invalid-and-barred-remove-barred.html | 23 +++++++++++++++++
 ...fieldset-invalid-and-barred-remove-invalid.html | 23 +++++++++++++++++
 .../fieldset/fieldset-invalid-and-barred.html      | 15 +++++++++++
 .../css-invalid/fieldset/fieldset-invalid.html     | 12 +++++++++
 .../css-invalid/fieldset/fieldset-is-barred.html   | 11 ++++++++
 .../fieldset/fieldset-nested-barred-ref.html       | 11 ++++++++
 .../fieldset/fieldset-nested-barred.html           | 24 ++++++++++++++++++
 .../fieldset/fieldset-nested-invalid.html          | 17 +++++++++++++
 .../fieldset-nested-valid-invalid-ref.html         | 22 ++++++++++++++++
 .../fieldset/fieldset-nested-valid-invalid.html    | 21 ++++++++++++++++
 .../fieldset/fieldset-remove-invalid-element.html  | 21 ++++++++++++++++
 .../fieldset/fieldset-static-invalid-barred.html   | 13 ++++++++++
 .../fieldset/fieldset-static-invalid.html          | 14 +++++++++++
 .../fieldset/fieldset-static-valid.html            | 14 +++++++++++
 .../fieldset-valid-and-barred-remove-barred.html   | 23 +++++++++++++++++
 .../fieldset/fieldset-valid-and-barred.html        | 15 +++++++++++
 .../css-invalid/fieldset/fieldset-valid.html       | 14 +++++++++++
 ...et-with-invalid-element-add-barred-dynamic.html | 23 +++++++++++++++++
 .../fieldset/fieldset-with-valid-and-invalid.html  | 15 +++++++++++
 ...dset-with-valid-element-add-barred-dynamic.html | 23 +++++++++++++++++
 layout/reftests/css-invalid/fieldset/reftest.list  | 29 ++++++++++++++++++++++
 33 files changed, 636 insertions(+)
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-invalid-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element-dynamic.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-invalid-with-valid-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-valid-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-invalid-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-no-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-div-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-not-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-dynamic-valid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-is-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-nested-barred-ref.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-nested-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-nested-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid-ref.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-remove-invalid-element.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-static-invalid-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-static-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-static-valid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred-remove-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-valid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-with-invalid-element-add-barred-dynamic.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-with-valid-and-invalid.html
 create mode 100644 layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html
 create mode 100644 layout/reftests/css-invalid/fieldset/reftest.list

(limited to 'layout/reftests/css-invalid/fieldset')

diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-barred.html
new file mode 100644
index 0000000000..74150b303e
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-barred.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!-- fieldset with invalid barred for constraint validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { display: none ;}
+    </style>
+    <script>
+      function onloadHandler()
+      {
+        document.getElementById("fieldset").appendChild(document.getElementById('i'));
+        document.documentElement.className = '';
+      }
+    </script>
+  </head>
+  <body onload="onloadHandler();">
+    <input required readonly id="i">
+    <fieldset id="fieldset">
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element-dynamic.html b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element-dynamic.html
new file mode 100644
index 0000000000..3485e88069
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element-dynamic.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!-- fieldset with no elements and invalid element is added dynamically -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display:none }
+    </style>
+    <script>
+      function onLoadHandler()
+      {
+        document.getElementById("fieldset").appendChild(document.getElementById('i'));
+        document.documentElement.className='';
+      }
+    </script>
+  </head>
+  <body onload='onLoadHandler();'>
+    <input id='i' required>
+    <fieldset id="fieldset">
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element.html b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element.html
new file mode 100644
index 0000000000..855a432ce7
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-element.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!--fieldset with one invalid element and another invalid one is added dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").appendChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <input id='i' type='email' value='foo'>
+    <fieldset id="fieldset">
+      <input id='j' type='email' value='foo'>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-with-valid-element.html b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-with-valid-element.html
new file mode 100644
index 0000000000..ab62debd35
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-invalid-with-valid-element.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!--fieldset with one valid element and invalid one is added dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").appendChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <input id='i' type='email' value='bar'>
+    <fieldset id="fieldset">
+      <input id='j' type='text' value='foo'>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-valid-element.html b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-element.html
new file mode 100644
index 0000000000..6e5363d6b9
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-element.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!--fieldset with one valid element and another valid one is added dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").appendChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <input id='i' type='text' value='bar'>
+    <fieldset id="fieldset">
+      <input id='j' type='text' value='foo'>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-invalid-element.html b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-invalid-element.html
new file mode 100644
index 0000000000..4157831e64
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-invalid-element.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!--fieldset with one invalid element and another valid one is added dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").appendChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <input id='i' type='text' value='foo'>
+    <fieldset id="fieldset">
+      <input id='j' type='email' value='emailfoo'>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-no-element.html b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-no-element.html
new file mode 100644
index 0000000000..bfdf264af2
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-add-valid-with-no-element.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!--fieldset with no valid element and another valid one is added dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").appendChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <input id='i' type='text' value='foo'>
+    <fieldset id="fieldset">
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-div-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-div-invalid.html
new file mode 100644
index 0000000000..2c1b47b78c
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-div-invalid.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<!-- fieldset with input in div should become invalid -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display: none ;}
+    </style>
+  </head>
+  <body>
+    <fieldset>
+      <div>
+        <input required value="">
+      </div>
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-barred.html
new file mode 100644
index 0000000000..2671994077
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-barred.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and dynamically made it element with
+barred constraints -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById('i').readOnly = true;
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='i' required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-not-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-not-barred.html
new file mode 100644
index 0000000000..cf7905f0c5
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid-not-barred.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById('i').readOnly = false;
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='i' required readonly>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid.html
new file mode 100644
index 0000000000..c40a920cd1
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-invalid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element which is made invalid dynamically -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById('i').value = '';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='i' value='foo' required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-dynamic-valid.html b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-valid.html
new file mode 100644
index 0000000000..bfa2660151
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-dynamic-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!--  fieldset with one valid element which is made valid dynamically -->
+<html>
+  <head>
+    <style>
+      fieldset:valid {display: none;}
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById('i').value = 'foo';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload="onloadHandler();">
+    <fieldset id="fieldset">
+      <input id='i' required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-barred.html
new file mode 100644
index 0000000000..c750a38453
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-barred.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and a barred for constraint
+validation element then you remove the second element -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").removeChild(document.getElementById('j'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input required>
+      <input id='j' value='foo' readonly>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-invalid.html
new file mode 100644
index 0000000000..2bc2b2bb1a
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred-remove-invalid.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and a barred for constraint
+validation element then you remove the second element -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").removeChild(document.getElementById('j'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='j' required>
+      <input value='foo' readonly>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred.html
new file mode 100644
index 0000000000..8075550727
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-invalid-and-barred.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and a barred for constraint validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+ <body>
+   <fieldset id="fieldset">
+    <input required>
+    <input id='i' value='foo' readonly required>
+   </fieldset>
+ </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-invalid.html
new file mode 100644
index 0000000000..8f10b70e0a
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-invalid.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<!-- Invalid fieldset -->
+<style>
+  fieldset:invalid { display: none; }
+</style>
+<body onload="document.getElementById('input').setCustomValidity('foo'); document.documentElement.className='';">
+<fieldset>
+  <input id="input">
+</fieldset>
+</body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-is-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-is-barred.html
new file mode 100644
index 0000000000..ed104497b7
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-is-barred.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<!-- Fieldset is barred -->
+<style>
+  fieldset:valid { display: none; }
+</style>
+<body onload="document.getElementById('f').setCustomValidity('foo'); document.documentElement.className='';">
+<fieldset id="f">
+</fieldset>
+</body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-nested-barred-ref.html b/layout/reftests/css-invalid/fieldset/fieldset-nested-barred-ref.html
new file mode 100644
index 0000000000..bd8b9a671e
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-nested-barred-ref.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<!-- Reference for input in nested fieldset becomes barred -->
+<html>
+  <body>
+    <fieldset style="background-color: green;">
+      <fieldset style="background-color: green;">
+        <input id='i' required readonly>
+      </fieldset>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-nested-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-nested-barred.html
new file mode 100644
index 0000000000..fea0c79ae2
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-nested-barred.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<!-- input in nested fieldset becomes barred -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { background-color: green; }
+      fieldset:invalid { background-color: red; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById('i').readOnly = true;
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset>
+      <fieldset>
+        <input id='i' required>
+      </fieldset>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-nested-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-nested-invalid.html
new file mode 100644
index 0000000000..ba266bf814
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-nested-invalid.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<!-- Nested fieldsets should all become invalid -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display: none ;}
+    </style>
+  </head>
+  <body>
+    <fieldset>
+      <fieldset>
+        <input required value="">
+      </fieldset>
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid-ref.html b/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid-ref.html
new file mode 100644
index 0000000000..4f8e399b6b
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid-ref.html
@@ -0,0 +1,22 @@
+
+<!DOCTYPE html>
+<!-- Nested fieldsets should be assigned validation correctly -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { background-color: green; }
+      fieldset:invalid { background-color: red; }
+    </style>
+  </head>
+  <body>
+    <fieldset style="background-color:red;">
+      <fieldset style="background-color: green;">
+        <input>
+      </fieldset>
+      <fieldset style="background-color: red">
+        <input required>
+      </fieldset>
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid.html
new file mode 100644
index 0000000000..8f69730077
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-nested-valid-invalid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!-- Nested fieldsets should be assigned validation correctly -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { background-color: green; }
+      fieldset:invalid { background-color: red; }
+    </style>
+  </head>
+  <body>
+    <fieldset>
+      <fieldset>
+        <input>
+      </fieldset>
+      <fieldset>
+        <input required>
+      </fieldset>
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-remove-invalid-element.html b/layout/reftests/css-invalid/fieldset/fieldset-remove-invalid-element.html
new file mode 100644
index 0000000000..7df987c9be
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-remove-invalid-element.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and the element is dynamically removed -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").removeChild(document.getElementById('i'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='i' type='email' value='foo'>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-static-invalid-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-static-invalid-barred.html
new file mode 100644
index 0000000000..c2bf3db346
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-static-invalid-barred.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <body>
+    <fieldset id="fieldset">
+      <input required readonly>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-static-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-static-invalid.html
new file mode 100644
index 0000000000..613286ec27
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-static-invalid.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<!--fieldset with only invalid elements -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <body>
+    <fieldset id="fieldset">
+      <input required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-static-valid.html b/layout/reftests/css-invalid/fieldset/fieldset-static-valid.html
new file mode 100644
index 0000000000..590b7d30b7
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-static-valid.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<!-- fieldset with only valid elements -->
+<html>
+ <head>
+   <style>
+     fieldset:valid { display: none; }
+   </style>
+ </head>
+ <body>
+   <fieldset id="fieldset">
+    <input value='foo' required>
+   </fieldset>
+ </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred-remove-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred-remove-barred.html
new file mode 100644
index 0000000000..06d715f9ee
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred-remove-barred.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one valid element and a barred for constraint
+validation element then you remove the second element -->
+<html class='reftest-wait'>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+  <script>
+    function onloadHandler()
+    {
+      document.getElementById("fieldset").removeChild(document.getElementById('j'));
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='onloadHandler();'>
+    <fieldset id="fieldset">
+      <input id='i' value='foo' required>
+      <input id='j' value='bar' readonly>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred.html b/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred.html
new file mode 100644
index 0000000000..61f21f7e3d
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-valid-and-barred.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<!-- fieldset with one invalid element and a barred for constraint validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { display: none; }
+    </style>
+  </head>
+ <body>
+   <fieldset id="fieldset">
+    <input id='i' value='bar' required>
+    <input id='i' value='foo' readonly required>
+   </fieldset>
+ </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-valid.html b/layout/reftests/css-invalid/fieldset/fieldset-valid.html
new file mode 100644
index 0000000000..59e31af10c
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-valid.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<!-- Valid fieldset. -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { display: none ;}
+    </style>
+  </head>
+  <body>
+    <fieldset>
+    </fieldset>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-with-invalid-element-add-barred-dynamic.html b/layout/reftests/css-invalid/fieldset/fieldset-with-invalid-element-add-barred-dynamic.html
new file mode 100644
index 0000000000..30fd521e4f
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-with-invalid-element-add-barred-dynamic.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one valid element and you dynamically add a barred constraint
+validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display:none }
+    </style>
+    <script>
+      function onLoadHandler()
+      {
+        document.getElementById("fieldset").appendChild(document.getElementById('i'));
+        document.documentElement.className='';
+      }
+    </script>
+  </head>
+  <body onload='onLoadHandler();'>
+    <input id='i' value='foo' readonly>
+    <fieldset id="fieldset">
+      <input required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-with-valid-and-invalid.html b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-and-invalid.html
new file mode 100644
index 0000000000..9a9d43a39f
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-and-invalid.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<!-- fieldset with invalid and valid elements -->
+<html>
+  <head>
+    <style>
+      fieldset:invalid { display: none; }
+    </style>
+  </head>
+  <body>
+    <fieldset>
+      <input id='i' value='foo'>
+      <input required>
+    <fieldset/>
+  <body>
+<html>
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html
new file mode 100644
index 0000000000..3c1e8a3f9b
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one valid element and you dynamically add a barred constraint
+validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { display:none }
+    </style>
+    <script>
+      function onLoadHandler()
+      {
+        document.getElementById("fieldset").appendChild(document.getElementById('i'));
+        document.documentElement.className='';
+      }
+    </script>
+  </head>
+  <body onload='onLoadHandler();'>
+    <input id='i' value='foo' readonly>
+    <fieldset id="fieldset" id="fieldset">
+      <input id='j' value='bar' required>
+    </fieldset>
+  </body>
+</html>
diff --git a/layout/reftests/css-invalid/fieldset/reftest.list b/layout/reftests/css-invalid/fieldset/reftest.list
new file mode 100644
index 0000000000..650e0641e2
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/reftest.list
@@ -0,0 +1,29 @@
+== fieldset-valid.html about:blank
+== fieldset-invalid.html about:blank
+== fieldset-add-invalid-barred.html about:blank
+== fieldset-add-invalid-element-dynamic.html about:blank
+== fieldset-add-invalid-element.html about:blank
+== fieldset-add-invalid-with-valid-element.html about:blank
+== fieldset-add-valid-element.html about:blank
+== fieldset-add-valid-with-invalid-element.html about:blank
+== fieldset-add-valid-with-no-element.html about:blank
+== fieldset-dynamic-invalid-barred.html about:blank
+== fieldset-dynamic-invalid-not-barred.html about:blank
+== fieldset-dynamic-invalid.html about:blank
+== fieldset-dynamic-valid.html about:blank
+== fieldset-invalid-and-barred-remove-barred.html about:blank
+== fieldset-invalid-and-barred-remove-invalid.html about:blank
+== fieldset-invalid-and-barred.html about:blank
+== fieldset-remove-invalid-element.html about:blank
+== fieldset-static-invalid-barred.html about:blank
+== fieldset-static-invalid.html about:blank
+== fieldset-static-valid.html about:blank
+== fieldset-valid-and-barred-remove-barred.html about:blank
+== fieldset-valid-and-barred.html about:blank
+== fieldset-with-invalid-element-add-barred-dynamic.html about:blank
+== fieldset-with-valid-and-invalid.html about:blank
+== fieldset-with-valid-element-add-barred-dynamic.html about:blank
+== fieldset-nested-invalid.html about:blank
+== fieldset-div-invalid.html about:blank
+== fieldset-nested-valid-invalid.html fieldset-nested-valid-invalid-ref.html
+fuzzy(0-1,0-5) == fieldset-nested-barred.html fieldset-nested-barred-ref.html
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