From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 16:29:10 +0200
Subject: Adding upstream version 86.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../css-placeholder/css-background-ref.html        |  9 ++++++
 .../reftests/css-placeholder/css-background.html   | 23 ++++++++++++++
 .../css-placeholder/css-restrictions-ref.html      |  9 ++++++
 .../reftests/css-placeholder/css-restrictions.html | 24 +++++++++++++++
 .../css-placeholder/css-simple-styling-ref.html    | 19 ++++++++++++
 .../css-placeholder/css-simple-styling.html        | 35 ++++++++++++++++++++++
 .../css-placeholder/ignore-pseudo-class-ref.html   |  7 +++++
 .../css-placeholder/ignore-pseudo-class.html       | 15 ++++++++++
 .../css-placeholder/input/css-display.html         | 14 +++++++++
 .../css-placeholder/input/css-opacity.html         | 14 +++++++++
 .../css-placeholder/input/css-text-align.html      | 14 +++++++++
 .../reftests/css-placeholder/input/input-ref.html  |  7 +++++
 .../css-placeholder/input/placeholder-add.html     | 16 ++++++++++
 .../css-placeholder/input/placeholder-blur.html    | 30 +++++++++++++++++++
 .../input/placeholder-button-ref.html              |  9 ++++++
 .../input/placeholder-empty-string-ref.html        |  7 +++++
 .../input/placeholder-empty-string.html            |  7 +++++
 .../input/placeholder-focus-ref.html               | 22 ++++++++++++++
 .../css-placeholder/input/placeholder-focus.html   | 22 ++++++++++++++
 .../css-placeholder/input/placeholder-removal.html | 16 ++++++++++
 .../input/placeholder-simple-ref.html              |  8 +++++
 .../css-placeholder/input/placeholder-simple.html  |  8 +++++
 .../input/placeholder-type-change-1.html           | 16 ++++++++++
 .../input/placeholder-type-change-2.html           | 16 ++++++++++
 .../input/placeholder-value-ref.html               |  7 +++++
 .../input/placeholder-value-reset.html             | 19 ++++++++++++
 .../input/placeholder-value-set.html               | 16 ++++++++++
 .../input/placeholder-value-unset.html             | 16 ++++++++++
 .../css-placeholder/input/placeholder-value.html   |  8 +++++
 .../input/placeholdershown-date-ref.html           |  5 ++++
 .../input/placeholdershown-date.html               |  5 ++++
 .../input/placeholdershown-ref.html                |  8 +++++
 .../css-placeholder/input/placeholdershown.html    |  8 +++++
 layout/reftests/css-placeholder/input/reftest.list | 29 ++++++++++++++++++
 .../reftests/css-placeholder/input/style-shown.css | 21 +++++++++++++
 layout/reftests/css-placeholder/input/style.css    |  6 ++++
 layout/reftests/css-placeholder/reftest.list       |  7 +++++
 .../css-placeholder/textarea/css-display.html      | 14 +++++++++
 .../css-placeholder/textarea/css-opacity.html      | 14 +++++++++
 .../css-placeholder/textarea/css-resize-ref.html   | 13 ++++++++
 .../css-placeholder/textarea/css-resize.html       | 20 +++++++++++++
 .../css-placeholder/textarea/placeholder-add.html  | 16 ++++++++++
 .../css-placeholder/textarea/placeholder-blur.html | 30 +++++++++++++++++++
 .../textarea/placeholder-empty-string-ref.html     |  7 +++++
 .../textarea/placeholder-empty-string.html         |  7 +++++
 .../textarea/placeholder-focus-ref.html            | 22 ++++++++++++++
 .../textarea/placeholder-focus.html                | 22 ++++++++++++++
 .../textarea/placeholder-removal.html              | 16 ++++++++++
 .../textarea/placeholder-simple-ref.html           |  8 +++++
 .../textarea/placeholder-simple.html               |  8 +++++
 .../textarea/placeholder-value-ref.html            |  7 +++++
 .../textarea/placeholder-value-reset.html          | 19 ++++++++++++
 .../textarea/placeholder-value-set.html            | 16 ++++++++++
 .../textarea/placeholder-value-unset.html          | 16 ++++++++++
 .../textarea/placeholder-value.html                |  8 +++++
 .../textarea/placeholdershown-ref.html             |  7 +++++
 .../css-placeholder/textarea/placeholdershown.html |  7 +++++
 .../reftests/css-placeholder/textarea/reftest.list | 26 ++++++++++++++++
 .../css-placeholder/textarea/style-shown.css       | 22 ++++++++++++++
 layout/reftests/css-placeholder/textarea/style.css |  6 ++++
 .../css-placeholder/textarea/textarea-ref.html     |  7 +++++
 61 files changed, 860 insertions(+)
 create mode 100644 layout/reftests/css-placeholder/css-background-ref.html
 create mode 100644 layout/reftests/css-placeholder/css-background.html
 create mode 100644 layout/reftests/css-placeholder/css-restrictions-ref.html
 create mode 100644 layout/reftests/css-placeholder/css-restrictions.html
 create mode 100644 layout/reftests/css-placeholder/css-simple-styling-ref.html
 create mode 100644 layout/reftests/css-placeholder/css-simple-styling.html
 create mode 100644 layout/reftests/css-placeholder/ignore-pseudo-class-ref.html
 create mode 100644 layout/reftests/css-placeholder/ignore-pseudo-class.html
 create mode 100644 layout/reftests/css-placeholder/input/css-display.html
 create mode 100644 layout/reftests/css-placeholder/input/css-opacity.html
 create mode 100644 layout/reftests/css-placeholder/input/css-text-align.html
 create mode 100644 layout/reftests/css-placeholder/input/input-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-add.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-blur.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-button-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-empty-string-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-empty-string.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-focus-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-focus.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-removal.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-simple-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-simple.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-type-change-1.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-type-change-2.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-value-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-value-reset.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-value-set.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-value-unset.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholder-value.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholdershown-date-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholdershown-date.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholdershown-ref.html
 create mode 100644 layout/reftests/css-placeholder/input/placeholdershown.html
 create mode 100644 layout/reftests/css-placeholder/input/reftest.list
 create mode 100644 layout/reftests/css-placeholder/input/style-shown.css
 create mode 100644 layout/reftests/css-placeholder/input/style.css
 create mode 100644 layout/reftests/css-placeholder/reftest.list
 create mode 100644 layout/reftests/css-placeholder/textarea/css-display.html
 create mode 100644 layout/reftests/css-placeholder/textarea/css-opacity.html
 create mode 100644 layout/reftests/css-placeholder/textarea/css-resize-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/css-resize.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-add.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-blur.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-empty-string-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-empty-string.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-focus-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-focus.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-removal.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-simple-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-simple.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-value-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-value-reset.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-value-set.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-value-unset.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholder-value.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholdershown-ref.html
 create mode 100644 layout/reftests/css-placeholder/textarea/placeholdershown.html
 create mode 100644 layout/reftests/css-placeholder/textarea/reftest.list
 create mode 100644 layout/reftests/css-placeholder/textarea/style-shown.css
 create mode 100644 layout/reftests/css-placeholder/textarea/style.css
 create mode 100644 layout/reftests/css-placeholder/textarea/textarea-ref.html

(limited to 'layout/reftests/css-placeholder')

diff --git a/layout/reftests/css-placeholder/css-background-ref.html b/layout/reftests/css-placeholder/css-background-ref.html
new file mode 100644
index 0000000000..b75db15b6f
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-background-ref.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <input placeholder='foo'>
+    <textarea placeholder='foo'></textarea>
+    <input placeholder='foo'>
+    <textarea placeholder='foo'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/css-background.html b/layout/reftests/css-placeholder/css-background.html
new file mode 100644
index 0000000000..94ab1a5b00
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-background.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+  <!--
+    This test checks that setting a background on a ::placeholder works.
+    However, given that it is not possible to do an actualy equality check, we
+    have te check that setting a background doesn't produce the same result
+    as not setting it.
+  -->
+  <style>
+    :-moz-any(input, textarea).color::placeholder {
+      background-color: blue;
+    }
+    :-moz-any(input, textarea).gradient::placeholder {
+      background: linear-gradient(to right, blue, white, red);
+    }
+  </style>
+  <body>
+    <input class="color" placeholder='foo'>
+    <textarea class="color" placeholder='foo'></textarea>
+    <input class="gradient" placeholder='foo'>
+    <textarea class="gradient" placeholder='foo'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/css-restrictions-ref.html b/layout/reftests/css-placeholder/css-restrictions-ref.html
new file mode 100644
index 0000000000..a09df21e12
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-restrictions-ref.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <input placeholder='foo'>
+    <textarea placeholder='foo'></textarea>
+    <input placeholder='this is a quitelongetextforasmallelement'>
+    <textarea placeholder='this is a quitelongetextforasmallelement'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/css-restrictions.html b/layout/reftests/css-placeholder/css-restrictions.html
new file mode 100644
index 0000000000..746ed2ee97
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-restrictions.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+  <style>
+    :-moz-any(input, textarea)::placeholder {
+      visibility: hidden;
+      padding: 20px;
+      float: right;
+      overflow: visible;
+      white-space: pre;
+
+      /*
+       * This list could be endless given that all non-whitelisted properties
+       * are restricted.
+       */
+    }
+  </style>
+  <body>
+    <input placeholder='foo'>
+    <textarea placeholder='foo'></textarea>
+    <!-- for overflow and white-space -->
+    <input placeholder='this is a quitelongetextforasmallelement'>
+    <textarea placeholder='this is a quitelongetextforasmallelement'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/css-simple-styling-ref.html b/layout/reftests/css-placeholder/css-simple-styling-ref.html
new file mode 100644
index 0000000000..eeaca440c9
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-simple-styling-ref.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+  <style>
+    :-moz-any(input, textarea) {
+      font: -moz-list;
+      font-family: mono;
+      font-style: italic;
+      color: blue;
+      word-spacing: 5px;
+      text-shadow: 1px 1px 1px red;
+    }
+  </style>
+  <body>
+    <input value='foo bar'>
+    <textarea>foo bar</textarea>
+    <input value='bar foo'>
+    <textarea>bar foo</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/css-simple-styling.html b/layout/reftests/css-placeholder/css-simple-styling.html
new file mode 100644
index 0000000000..bfecc19c8d
--- /dev/null
+++ b/layout/reftests/css-placeholder/css-simple-styling.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+  <!--
+    This test checks that a few allowed CSS properties have an effect when
+    applied to ::placeholder or ::-moz-placeholder.
+  -->
+  <style>
+    /*
+     * We need to set some properties on the <input> because its size will
+     * depend on its font.
+     */
+    input, textarea {
+      font: -moz-list;
+      font-family: mono;
+      font-style: italic;
+    }
+
+    [placeholder="foo bar"]::placeholder,
+    [placeholder="bar foo"]::-moz-placeholder {
+      opacity: 1.0;
+      font: -moz-list;
+      font-family: mono;
+      font-style: italic;
+      color: blue;
+      word-spacing: 5px;
+      text-shadow: 1px 1px 1px red;
+    }
+  </style>
+  <body>
+    <input placeholder='foo bar'>
+    <textarea placeholder='foo bar'></textarea>
+    <input placeholder='bar foo'>
+    <textarea placeholder='bar foo'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/ignore-pseudo-class-ref.html b/layout/reftests/css-placeholder/ignore-pseudo-class-ref.html
new file mode 100644
index 0000000000..9085635b60
--- /dev/null
+++ b/layout/reftests/css-placeholder/ignore-pseudo-class-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+<body>
+  <input placeholder='foobar'>
+  <textarea placeholder='foobar'></textarea>
+</body>
+</html>
diff --git a/layout/reftests/css-placeholder/ignore-pseudo-class.html b/layout/reftests/css-placeholder/ignore-pseudo-class.html
new file mode 100644
index 0000000000..bd314c5b8f
--- /dev/null
+++ b/layout/reftests/css-placeholder/ignore-pseudo-class.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<style>
+  :-moz-placeholder {
+    color: red;
+  }
+  :placeholder {
+    color: red;
+  }
+</style>
+<body>
+  <input placeholder='foobar'>
+  <textarea placeholder='foobar'></textarea>
+</body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/css-display.html b/layout/reftests/css-placeholder/input/css-display.html
new file mode 100644
index 0000000000..a97734b15b
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/css-display.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    [bar]::-moz-placeholder,
+    [foo]::placeholder {
+      display: inline;
+    }
+  </style>
+  <body>
+    <input placeholder='foo'>
+    <input placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/css-opacity.html b/layout/reftests/css-placeholder/input/css-opacity.html
new file mode 100644
index 0000000000..dd6e21ee13
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/css-opacity.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    [placeholder="bar"]::-moz-placeholder,
+    [placeholder="foo"]::placeholder {
+      opacity: 0.1;
+    }
+  </style>
+  <body>
+    <input placeholder='foo'>
+    <input placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/css-text-align.html b/layout/reftests/css-placeholder/input/css-text-align.html
new file mode 100644
index 0000000000..d71af94d52
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/css-text-align.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    [placeholder="bar"]::-moz-placeholder,
+    [placeholder="foo"]::placeholder {
+      text-align: center;
+    }
+  </style>
+  <body>
+    <input placeholder='foo'>
+    <input placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/input-ref.html b/layout/reftests/css-placeholder/input/input-ref.html
new file mode 100644
index 0000000000..8589b2b289
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/input-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <input>
+    <input>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-add.html b/layout/reftests/css-placeholder/input/placeholder-add.html
new file mode 100644
index 0000000000..6ec33026d1
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-add.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('moz').placeholder='bar';
+      document.getElementById('i').placeholder='foo';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i'>
+    <input id='moz'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-blur.html b/layout/reftests/css-placeholder/input/placeholder-blur.html
new file mode 100644
index 0000000000..9c9f3c62b5
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-blur.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('i').blur();
+    }
+    function blurHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.getElementById('moz').blur();
+    }
+    function blurHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo' onfocus='focusHandler();' onblur='blurHandler();'>
+    <input id='moz' placeholder='bar' onfocus='focusHandlerMoz();' onblur='blurHandlerMoz();'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-button-ref.html b/layout/reftests/css-placeholder/input/placeholder-button-ref.html
new file mode 100644
index 0000000000..8f584f6e3f
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-button-ref.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input type='button'>
+    <input type='button'>
+  </body>
+</html>
+
diff --git a/layout/reftests/css-placeholder/input/placeholder-empty-string-ref.html b/layout/reftests/css-placeholder/input/placeholder-empty-string-ref.html
new file mode 100644
index 0000000000..ad0de3cfba
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-empty-string-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input class='ref'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-empty-string.html b/layout/reftests/css-placeholder/input/placeholder-empty-string.html
new file mode 100644
index 0000000000..8d9dfb5b41
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-empty-string.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input placeholder=''>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-focus-ref.html b/layout/reftests/css-placeholder/input/placeholder-focus-ref.html
new file mode 100644
index 0000000000..d2e2af35a2
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-focus-ref.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' class='ref' value='foo' onfocus='focusHandler();'>
+    <input id='moz' class='ref' value='bar' onfocus='focusHandlerMoz();'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-focus.html b/layout/reftests/css-placeholder/input/placeholder-focus.html
new file mode 100644
index 0000000000..285bf4f60c
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-focus.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo' onfocus='focusHandler();'>
+    <input id='moz' placeholder='bar' onfocus='focusHandlerMoz();'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-removal.html b/layout/reftests/css-placeholder/input/placeholder-removal.html
new file mode 100644
index 0000000000..88b6829148
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-removal.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').removeAttribute('placeholder');
+      document.getElementById('moz').removeAttribute('placeholder');
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo'>
+    <input id='moz' placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-simple-ref.html b/layout/reftests/css-placeholder/input/placeholder-simple-ref.html
new file mode 100644
index 0000000000..02c604b7db
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-simple-ref.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input class='ref' value='foo'>
+    <input class='ref' value='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-simple.html b/layout/reftests/css-placeholder/input/placeholder-simple.html
new file mode 100644
index 0000000000..c7958ed1f8
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-simple.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input placeholder='foo'>
+    <input placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-type-change-1.html b/layout/reftests/css-placeholder/input/placeholder-type-change-1.html
new file mode 100644
index 0000000000..2eb0ea4d3e
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-type-change-1.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').type = 'text';
+      document.getElementById('moz').type = 'text';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input type='button' id='i' placeholder='foo'>
+    <input type='button' id='moz' placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-type-change-2.html b/layout/reftests/css-placeholder/input/placeholder-type-change-2.html
new file mode 100644
index 0000000000..7a1feb06e6
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-type-change-2.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').type = 'button';
+      document.getElementById('moz').type = 'button';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo'>
+    <input id='moz' placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-value-ref.html b/layout/reftests/css-placeholder/input/placeholder-value-ref.html
new file mode 100644
index 0000000000..79209802a4
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-value-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <input value='bar'>
+    <input value='foo'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-value-reset.html b/layout/reftests/css-placeholder/input/placeholder-value-reset.html
new file mode 100644
index 0000000000..3e0b672ce0
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-value-reset.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').value = 'bar';
+      document.getElementById('moz').value = 'foo';
+      document.forms[0].reset();
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <form>
+      <input id='i' placeholder='foo'>
+      <input id='moz' placeholder='bar'>
+    </form>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-value-set.html b/layout/reftests/css-placeholder/input/placeholder-value-set.html
new file mode 100644
index 0000000000..c2b1a0c015
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-value-set.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').value = 'bar';
+      document.getElementById('moz').value = 'foo';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo'>
+    <input id='moz' placeholder='bar'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-value-unset.html b/layout/reftests/css-placeholder/input/placeholder-value-unset.html
new file mode 100644
index 0000000000..c985d56675
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-value-unset.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('i').value = '';
+      document.getElementById('moz').value = '';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <input id='i' placeholder='foo' value='bar'>
+    <input id='moz' placeholder='bar' value='foo'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholder-value.html b/layout/reftests/css-placeholder/input/placeholder-value.html
new file mode 100644
index 0000000000..80694027cb
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholder-value.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <input placeholder='foo' value='bar'>
+    <input placeholder='bar' value='foo'>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/input/placeholdershown-date-ref.html b/layout/reftests/css-placeholder/input/placeholdershown-date-ref.html
new file mode 100644
index 0000000000..47c7f98e5f
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholdershown-date-ref.html
@@ -0,0 +1,5 @@
+<!doctype html>
+<link rel='stylesheet' href='style-shown.css'>
+<input type="month" class='shown-ref' placeholder='foo'>
+<input type="week" class='shown-ref' placeholder='foo'>
+<input type="datetime-local" class='shown-ref' placeholder='foo'>
diff --git a/layout/reftests/css-placeholder/input/placeholdershown-date.html b/layout/reftests/css-placeholder/input/placeholdershown-date.html
new file mode 100644
index 0000000000..0a5a50226f
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholdershown-date.html
@@ -0,0 +1,5 @@
+<!doctype html>
+<link rel='stylesheet' href='style-shown.css'>
+<input type="month" class='shown' placeholder='foo'>
+<input type="week" class='shown' placeholder='foo'>
+<input type="datetime-local" class='shown' placeholder='foo'>
diff --git a/layout/reftests/css-placeholder/input/placeholdershown-ref.html b/layout/reftests/css-placeholder/input/placeholdershown-ref.html
new file mode 100644
index 0000000000..0036552fb6
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholdershown-ref.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<link rel='stylesheet' href='style-shown.css'>
+<input class='shown-ref' value='foo'>
+<input type="number" class='shown-ref' placeholder='foo'>
+<input type="email" class='shown-ref' placeholder='foo'>
+<input type="search" class='shown-ref' placeholder='foo'>
+<input type="tel" class='shown-ref' placeholder='foo'>
+<input type="url" class='shown-ref' placeholder='foo'>
diff --git a/layout/reftests/css-placeholder/input/placeholdershown.html b/layout/reftests/css-placeholder/input/placeholdershown.html
new file mode 100644
index 0000000000..90f64beae6
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/placeholdershown.html
@@ -0,0 +1,8 @@
+<!doctype html>
+<link rel='stylesheet' href='style-shown.css'>
+<input class='shown' placeholder='foo'>
+<input type="number" class='shown' placeholder='foo'>
+<input type="email" class='shown' placeholder='foo'>
+<input type="search" class='shown' placeholder='foo'>
+<input type="tel" class='shown' placeholder='foo'>
+<input type="url" class='shown' placeholder='foo'>
diff --git a/layout/reftests/css-placeholder/input/reftest.list b/layout/reftests/css-placeholder/input/reftest.list
new file mode 100644
index 0000000000..b2caafa433
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/reftest.list
@@ -0,0 +1,29 @@
+# Tests using placeholder-focus-ref.html as a reference are disabled because
+# we can't change the caret colour nor disable it and we can't change the
+# text colour without changing the caret which means that the tested page has
+# a black caret with a grey text and the reference has a grey caret with grey
+# text. The only thing that is doable is to make the caret grey in the tested
+# page but that would make the test moot because a failure wouldn't be seen.
+# A real way to fix this would be to be able to style the caret or to implement
+# ::value (bug 648643), depending of the ::value behaviour (it could change the
+# caret colour and the text colour or just the text colour).
+
+== placeholder-simple.html placeholder-simple-ref.html
+# needs-focus == placeholder-focus.html placeholder-focus-ref.html
+needs-focus == placeholder-blur.html placeholder-simple-ref.html
+== placeholder-value.html placeholder-value-ref.html
+== placeholder-empty-string.html placeholder-empty-string-ref.html
+== placeholder-add.html placeholder-simple-ref.html
+== placeholder-removal.html input-ref.html
+== placeholder-value-set.html placeholder-value-ref.html
+== placeholder-value-unset.html placeholder-simple-ref.html
+== placeholder-value-reset.html placeholder-simple-ref.html
+== placeholder-type-change-1.html placeholder-simple-ref.html
+== placeholder-type-change-2.html placeholder-button-ref.html
+== placeholdershown.html placeholdershown-ref.html
+fails-if(Android) == placeholdershown-date.html placeholdershown-date-ref.html # bug 1431431
+== css-display.html placeholder-simple-ref.html
+# We can't check except by verifying that the output is different.
+# Same reasons as focus issues explained above.
+!= css-opacity.html placeholder-simple-ref.html
+!= css-text-align.html placeholder-simple-ref.html
diff --git a/layout/reftests/css-placeholder/input/style-shown.css b/layout/reftests/css-placeholder/input/style-shown.css
new file mode 100644
index 0000000000..a73b0c5fd0
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/style-shown.css
@@ -0,0 +1,21 @@
+input::placeholder {
+  color: green;
+  opacity: 1.0;
+}
+
+input:placeholder-shown {
+  appearance: none;
+  color: FieldText;
+  background-color: red;
+}
+
+input:placeholder-shown.shown,
+input.shown-ref {
+  appearance: none;
+  color: green;
+  background-color: #c7c7c7;
+  font-style: italic;
+  border: 2px solid green;
+  height: 200px;
+  width: 200px;
+}
diff --git a/layout/reftests/css-placeholder/input/style.css b/layout/reftests/css-placeholder/input/style.css
new file mode 100644
index 0000000000..8963a6e177
--- /dev/null
+++ b/layout/reftests/css-placeholder/input/style.css
@@ -0,0 +1,6 @@
+[placeholder="bar"]::-moz-placeholder,
+[placeholder="foo"]::placeholder,
+input.ref {
+  color: green;
+  opacity: 1.0;
+}
diff --git a/layout/reftests/css-placeholder/reftest.list b/layout/reftests/css-placeholder/reftest.list
new file mode 100644
index 0000000000..ee97e5638d
--- /dev/null
+++ b/layout/reftests/css-placeholder/reftest.list
@@ -0,0 +1,7 @@
+include input/reftest.list
+include textarea/reftest.list
+
+fuzzy-if(skiaContent,0-1,0-4) == css-restrictions.html css-restrictions-ref.html
+fuzzy-if(gtkWidget&&nativeThemePref,255-255,1376-1881) == css-simple-styling.html css-simple-styling-ref.html # gtkWidget, Bug 1600749
+!= css-background.html css-background-ref.html
+fuzzy-if(skiaContent,0-1,0-180) == ignore-pseudo-class.html ignore-pseudo-class-ref.html
diff --git a/layout/reftests/css-placeholder/textarea/css-display.html b/layout/reftests/css-placeholder/textarea/css-display.html
new file mode 100644
index 0000000000..717bfab7cd
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/css-display.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    textarea::-moz-placeholder,
+    textarea::placeholder {
+      display: inline;
+    }
+  </style>
+  <body>
+    <textarea placeholder='foo'></textarea>
+    <textarea placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/css-opacity.html b/layout/reftests/css-placeholder/textarea/css-opacity.html
new file mode 100644
index 0000000000..832f504eca
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/css-opacity.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    textarea::-moz-placeholder,
+    textarea::placeholder {
+      opacity: 0.1;
+    }
+  </style>
+  <body>
+    <textarea placeholder='foo'></textarea>
+    <textarea placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/css-resize-ref.html b/layout/reftests/css-placeholder/textarea/css-resize-ref.html
new file mode 100644
index 0000000000..c6e2e5b09e
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/css-resize-ref.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    textarea {
+      resize: none;
+    }
+  </style>
+  <body>
+    <textarea class='ref'>foo</textarea>
+    <textarea class='ref'>bar</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/css-resize.html b/layout/reftests/css-placeholder/textarea/css-resize.html
new file mode 100644
index 0000000000..81ea278b56
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/css-resize.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+  <!--
+    resize shouldn't be allowed on the ::placeholder.
+  -->
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <style>
+    textarea {
+      resize: none;
+    }
+    textarea::-moz-placeholder,
+    textarea::placeholder {
+      resize: both;
+    }
+  </style>
+  <body>
+    <textarea placeholder='foo'></textarea>
+    <textarea placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-add.html b/layout/reftests/css-placeholder/textarea/placeholder-add.html
new file mode 100644
index 0000000000..9807f3d702
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-add.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').placeholder='foo';
+      document.getElementById('moz').placeholder='bar';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t'></textarea>
+    <textarea id='moz'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-blur.html b/layout/reftests/css-placeholder/textarea/placeholder-blur.html
new file mode 100644
index 0000000000..a1b7ebace4
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-blur.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('t').blur();
+    }
+    function blurHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.getElementById('moz').blur();
+    }
+    function blurHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' placeholder='foo' onfocus='focusHandler();' onblur='blurHandler();'></textarea>
+    <textarea id='moz' placeholder='bar' onfocus='focusHandlerMoz();' onblur='blurHandlerMoz();'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-empty-string-ref.html b/layout/reftests/css-placeholder/textarea/placeholder-empty-string-ref.html
new file mode 100644
index 0000000000..09928f0ad2
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-empty-string-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <textarea class='ref'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-empty-string.html b/layout/reftests/css-placeholder/textarea/placeholder-empty-string.html
new file mode 100644
index 0000000000..87f27256cd
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-empty-string.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <textarea placeholder=''></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-focus-ref.html b/layout/reftests/css-placeholder/textarea/placeholder-focus-ref.html
new file mode 100644
index 0000000000..69318b626f
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-focus-ref.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' class='ref' onfocus='focusHandler();'>foo</textarea>
+    <textarea id='moz' class='ref' onfocus='focusHandlerMoz();'>bar</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-focus.html b/layout/reftests/css-placeholder/textarea/placeholder-focus.html
new file mode 100644
index 0000000000..a8c97293da
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-focus.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').focus();
+    }
+    function focusHandler()
+    {
+      document.getElementById('moz').focus();
+    }
+    function focusHandlerMoz()
+    {
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' placeholder='foo' onfocus='focusHandler();'></textarea>
+    <textarea id='moz' placeholder='bar' onfocus='focusHandlerMoz();'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-removal.html b/layout/reftests/css-placeholder/textarea/placeholder-removal.html
new file mode 100644
index 0000000000..727b216a99
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-removal.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').removeAttribute('placeholder');
+      document.getElementById('moz').removeAttribute('placeholder');
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' placeholder='foo'></textarea>
+    <textarea id='moz' placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-simple-ref.html b/layout/reftests/css-placeholder/textarea/placeholder-simple-ref.html
new file mode 100644
index 0000000000..c012cc4116
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-simple-ref.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <textarea class='ref'>foo</textarea>
+    <textarea class='ref'>bar</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-simple.html b/layout/reftests/css-placeholder/textarea/placeholder-simple.html
new file mode 100644
index 0000000000..5a9d3eb6f0
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-simple.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <textarea placeholder='foo'></textarea>
+    <textarea placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-value-ref.html b/layout/reftests/css-placeholder/textarea/placeholder-value-ref.html
new file mode 100644
index 0000000000..f8023e1c98
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-value-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <textarea>bar</textarea>
+    <textarea>foo</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-value-reset.html b/layout/reftests/css-placeholder/textarea/placeholder-value-reset.html
new file mode 100644
index 0000000000..92fc7d79bd
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-value-reset.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').value = 'bar';
+      document.getElementById('moz').value = 'foo';
+      document.forms[0].reset();
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <form>
+      <textarea id='t' placeholder='foo'></textarea>
+      <textarea id='moz' placeholder='bar'></textarea>
+    </form>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-value-set.html b/layout/reftests/css-placeholder/textarea/placeholder-value-set.html
new file mode 100644
index 0000000000..30c3c26a4a
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-value-set.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').value = 'bar';
+      document.getElementById('moz').value = 'foo';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' placeholder='foo'></textarea>
+    <textarea id='moz' placeholder='bar'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-value-unset.html b/layout/reftests/css-placeholder/textarea/placeholder-value-unset.html
new file mode 100644
index 0000000000..aacea6a203
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-value-unset.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html class='reftest-wait'>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <script>
+    function loadHandler()
+    {
+      document.getElementById('t').value = '';
+      document.getElementById('moz').value = '';
+      document.documentElement.className = '';
+    }
+  </script>
+  <body onload='loadHandler();'>
+    <textarea id='t' placeholder='foo'>bar</textarea>
+    <textarea id='moz' placeholder='bar'>foo</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholder-value.html b/layout/reftests/css-placeholder/textarea/placeholder-value.html
new file mode 100644
index 0000000000..a17bfa8f30
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholder-value.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style.css'>
+  <body>
+    <textarea placeholder='foo'>bar</textarea>
+    <textarea placeholder='bar'>foo</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholdershown-ref.html b/layout/reftests/css-placeholder/textarea/placeholdershown-ref.html
new file mode 100644
index 0000000000..caa109411c
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholdershown-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style-shown.css'>
+  <body>
+    <textarea class='shown-ref'>foo</textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/placeholdershown.html b/layout/reftests/css-placeholder/textarea/placeholdershown.html
new file mode 100644
index 0000000000..781ca2165d
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/placeholdershown.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <link rel='stylesheet' type='text/css' href='style-shown.css'>
+  <body>
+    <textarea class='shown' placeholder='foo'></textarea>
+  </body>
+</html>
diff --git a/layout/reftests/css-placeholder/textarea/reftest.list b/layout/reftests/css-placeholder/textarea/reftest.list
new file mode 100644
index 0000000000..a24dddf1fe
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/reftest.list
@@ -0,0 +1,26 @@
+# Tests using placeholder-focus-ref.html as a reference are disabled because
+# we can't change the caret colour nor disable it and we can't change the
+# text colour without changing the caret which means that the tested page has
+# a black caret with a grey text and the reference has a grey caret with grey
+# text. The only thing that is doable is to make the caret grey in the tested
+# page but that would make the test moot because a failure wouldn't be seen.
+# A real way to fix this would be to be able to style the caret or to implement
+# ::value (bug 648643), depending of the ::value behaviour (it could change the
+# caret colour and the text colour or just the text colour).
+
+== placeholder-simple.html placeholder-simple-ref.html
+# needs-focus == placeholder-focus.html placeholder-focus-ref.html
+needs-focus == placeholder-blur.html placeholder-simple-ref.html
+== placeholder-value.html placeholder-value-ref.html
+== placeholder-empty-string.html placeholder-empty-string-ref.html
+== placeholder-add.html placeholder-simple-ref.html
+== placeholder-removal.html textarea-ref.html
+== placeholder-value-set.html placeholder-value-ref.html
+== placeholder-value-unset.html placeholder-simple-ref.html
+== placeholder-value-reset.html placeholder-simple-ref.html
+== placeholdershown.html placeholdershown-ref.html
+== css-resize.html css-resize-ref.html
+== css-display.html placeholder-simple-ref.html
+# We can't check except by verifying that the output is different.
+# Same reasons as focus issues explained above.
+!= css-opacity.html placeholder-simple-ref.html
diff --git a/layout/reftests/css-placeholder/textarea/style-shown.css b/layout/reftests/css-placeholder/textarea/style-shown.css
new file mode 100644
index 0000000000..e7b33cef63
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/style-shown.css
@@ -0,0 +1,22 @@
+textarea::placeholder {
+  color: green;
+  opacity: 1.0;
+}
+
+textarea:placeholder-shown {
+  appearance: none;
+  color: FieldText;
+  background-color: red;
+}
+
+textarea:placeholder-shown.shown,
+textarea.shown-ref {
+  appearance: none;
+  color: green;
+  background-color: #c7c7c7;
+  font-style: italic;
+  border: 2px solid green;
+  height: 200px;
+  width: 200px;
+}
+
diff --git a/layout/reftests/css-placeholder/textarea/style.css b/layout/reftests/css-placeholder/textarea/style.css
new file mode 100644
index 0000000000..6d7893318d
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/style.css
@@ -0,0 +1,6 @@
+textarea::-moz-placeholder,
+textarea::placeholder,
+textarea.ref {
+  color: green;
+  opacity: 1.0;
+}
diff --git a/layout/reftests/css-placeholder/textarea/textarea-ref.html b/layout/reftests/css-placeholder/textarea/textarea-ref.html
new file mode 100644
index 0000000000..79f410593b
--- /dev/null
+++ b/layout/reftests/css-placeholder/textarea/textarea-ref.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <body>
+    <textarea></textarea>
+    <textarea></textarea>
+  </body>
+</html>
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