51 files changed, 1741 insertions, 0 deletions
diff --git a/layout/reftests/selection/addrange-1.html b/layout/reftests/selection/addrange-1.html
new file mode 100644
index 000000000..648d42140
--- /dev/null
+++ b/layout/reftests/selection/addrange-1.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Testcase #2 for bug 602331</title>
+        <script type="text/javascript" charset="utf-8">
+            function selectNewlyAdded() {
+                window.getSelection().removeAllRanges();
+                
+                var newNode = document.createElement('span');
+                newNode.innerHTML = "Hello Kitty";
+                document.getElementById('new_nodes').appendChild(newNode);
+                var range = document.createRange();
+                range.selectNode(newNode);
+                window.getSelection().addRange(range);
+            }
+            
+        </script>
+    </head>
+    <body onload="selectNewlyAdded()">
+        * <span id="new_nodes"></span> *
+    </body>
+</html>
diff --git a/layout/reftests/selection/addrange-2.html b/layout/reftests/selection/addrange-2.html
new file mode 100644
index 000000000..480e93678
--- /dev/null
+++ b/layout/reftests/selection/addrange-2.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Testcase #3 for bug 602331</title>
+        <script type="text/javascript" charset="utf-8">
+            function selectAllOfNewNodes() {
+                window.getSelection().removeAllRanges();
+                
+                var newNode = document.createElement('span');
+                newNode.innerHTML = "Kitty";
+                document.getElementById('new_nodes').appendChild(newNode);
+                var range = document.createRange();
+                range.selectNode(document.getElementById('new_nodes'));
+                window.getSelection().addRange(range);
+                
+            }
+            
+        </script>
+    </head>
+    <body onload="selectAllOfNewNodes()">
+        * <span id="new_nodes"><span>Hello</span> </span> *
+    </body>
+</html>
diff --git a/layout/reftests/selection/addrange-ref.html b/layout/reftests/selection/addrange-ref.html
new file mode 100644
index 000000000..4e6a70db2
--- /dev/null
+++ b/layout/reftests/selection/addrange-ref.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Testcase #1 for bug 602331</title>
+        <script type="text/javascript" charset="utf-8">
+            function selectExisting() {
+                window.getSelection().removeAllRanges();
+                
+                var range = document.createRange();
+                range.selectNode(document.getElementById('existing_node'));
+                window.getSelection().addRange(range);
+            }
+        </script>
+    </head>
+    <body onload="selectExisting()">
+        * <span id="existing_node">Hello Kitty</span> *
+    </body>
+</html>
diff --git a/layout/reftests/selection/dom-mutations-ref.html b/layout/reftests/selection/dom-mutations-ref.html
new file mode 100644
index 000000000..30a0050fc
--- /dev/null
+++ b/layout/reftests/selection/dom-mutations-ref.html
@@ -0,0 +1,190 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=619273
+-->
+<head>
+  <title>Test for Bug 619273</title>
+<script type="application/javascript;version=1.7">
+/** Test DOM mutations inside selection **/
+function createDOM(doc) {
+  let s = doc.createElement('span');
+  s.appendChild(doc.createTextNode('|'))
+  let s2 = doc.createElement('span');
+  s2.appendChild(doc.createTextNode('z'))
+  s.appendChild(s2)
+  return s;
+}
+
+var tests_done = 0;
+var tests = [
+  function(win,doc,sel) {
+    doc.body.innerHTML = '.I<br>B<br>C|z'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 1);
+    r.setEnd(a, 2);
+    sel.addRange(r);
+  },
+   function(win,doc,sel) {
+    doc.body.innerHTML = '.I<br>B<br>C|z'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(doc.firstChild, 0);
+    r.setEnd(a, 2);
+    sel.addRange(r);
+  },
+ function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>.B<br>C|z'
+    let a = doc.body.firstChild;
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>.B<br>C|z'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc.body, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>.B<br>C|z'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>.C|z'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 2);
+    sel.addRange(r);
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = '|z|zI<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 4);
+    r.setEnd(a, 5);
+    sel.addRange(r);
+  },
+   function(win,doc,sel) {
+    doc.body.innerHTML = '|z|zI<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(doc.firstChild, 0);
+    r.setEnd(a, 5);
+    sel.addRange(r);
+  },
+ function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>|z|zB<br>C'
+    let a = doc.body.firstChild;
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>|z|zB<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc.body, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>|z|zB<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>|z|zC'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 5);
+    sel.addRange(r);
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = '<br>B<br>CI'
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = '<br>B<br>C'
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I|z'
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'Iz|'
+
+    document.body.appendChild(document.createTextNode('I'));
+    document.body.appendChild(document.createTextNode(' '));
+    document.body.appendChild(createDOM(document));
+  },
+]
+
+function runTestInIframe(run,t) {
+  let f = document.createElement('iframe');
+  f.setAttribute('frameborder','0');
+  f.setAttribute('height','100');
+  f.setAttribute('width','200');
+  f.src = 'data:text/html,<body style="margin:0;padding:0;font-family:monospace">';
+  f.onload = function () {
+    try {
+      run(f.contentWindow, f.contentDocument, f.contentWindow.getSelection());
+    } finally { ++tests_done; }
+  }
+  return f;
+}
+
+var id;
+function checkFinished() {
+  if (window.frames.length == tests_done) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function runTest() {
+  for (let i=0; i < tests.length; ++i) {
+    let t = tests[i];
+    document.body.appendChild(runTestInIframe(t));
+  }
+  id = setInterval(checkFinished,500);
+}
+</script>
+</head>
+<body onload="runTest()"></body>
+</html>
diff --git a/layout/reftests/selection/dom-mutations.html b/layout/reftests/selection/dom-mutations.html
new file mode 100644
index 000000000..410c4b2f9
--- /dev/null
+++ b/layout/reftests/selection/dom-mutations.html
@@ -0,0 +1,250 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=619273
+-->
+<head>
+  <title>Test for Bug 619273</title>
+<script type="application/javascript;version=1.7">
+/** Test DOM mutations inside selection **/
+function createDOM(doc) {
+  let s = doc.createElement('span');
+  s.appendChild(doc.createTextNode('|'))
+  let s2 = doc.createElement('span');
+  s2.appendChild(doc.createTextNode('z'))
+  s.appendChild(s2)
+  return s;
+}
+
+var tests_done = 0;
+var tests = [
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), a);
+    doc.body.appendChild(createDOM(doc));
+  },
+   function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(doc.firstChild, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), a);
+    doc.body.appendChild(createDOM(doc));
+  },
+ function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), b);
+    doc.body.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc.body, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), b);
+    doc.body.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), b);
+    doc.body.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    doc.body.insertBefore(doc.createTextNode('.'), c);
+    doc.body.appendChild(createDOM(doc));
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, a);
+    span.appendChild(createDOM(doc));
+  },
+   function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(doc.firstChild, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, a);
+    span.appendChild(createDOM(doc));
+  },
+ function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, b);
+    span.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc.body, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, b);
+    span.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let b = doc.body.childNodes[2];
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(doc, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, b);
+    span.appendChild(createDOM(doc));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, c);
+    span.appendChild(createDOM(doc));
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    doc.body.appendChild(a);
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(a, 1);
+    sel.addRange(r);
+    document.adoptNode(a);
+    document.body.appendChild(a);
+    document.body.appendChild(document.createTextNode(' '));
+  },
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I<br>B<br>C'
+    let a = doc.body.firstChild;
+    let c = doc.body.childNodes[4];
+    let r = doc.createRange();
+    r.setStart(a, 0);
+    r.setEnd(c, 1);
+    sel.addRange(r);
+    let span = createDOM(doc);
+    doc.body.insertBefore(span, c);
+    document.adoptNode(span);
+    document.body.appendChild(span);
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I'
+    let a = doc.body.firstChild;
+    let span = createDOM(doc);
+    let r = doc.createRange();
+    r.setStart(span, 0);
+    r.setEnd(span, 1);
+    sel.addRange(r);
+    doc.body.appendChild(span);
+  },
+
+  function(win,doc,sel) {
+    doc.body.innerHTML = 'I'
+    let a = doc.body.firstChild;
+    let span = createDOM(doc);
+    let r = doc.createRange();
+    r.setStart(span.firstChild, 0);
+    r.setEnd(span.firstChild, 1);
+    sel.addRange(r);
+    doc.body.appendChild(span);
+    doc.body.appendChild(span.firstChild);
+    r.setEnd(span.firstChild, 1);
+  },
+]
+
+function runTestInIframe(run,t) {
+  let f = document.createElement('iframe');
+  f.setAttribute('frameborder','0');
+  f.setAttribute('height','100');
+  f.setAttribute('width','200');
+  f.src = 'data:text/html,<body style="margin:0;padding:0;font-family:monospace">';
+  f.onload = function () {
+    try {
+      run(f.contentWindow, f.contentDocument, f.contentWindow.getSelection());
+    } finally { ++tests_done; }
+  }
+  return f;
+}
+
+var id;
+function checkFinished() {
+  if (window.frames.length == tests_done) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function runTest() {
+  for (let i=0; i < tests.length; ++i) {
+    let t = tests[i];
+    document.body.appendChild(runTestInIframe(t));
+  }
+  id = setInterval(checkFinished,500);
+}
+</script>
+</head>
+<body onload="runTest()"></body>
+</html>
diff --git a/layout/reftests/selection/dynamic-text-1-ref.html b/layout/reftests/selection/dynamic-text-1-ref.html
new file mode 100644
index 000000000..755297963
--- /dev/null
+++ b/layout/reftests/selection/dynamic-text-1-ref.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre"> BC 
+ FG 
+ JK 
+<script>
+document.body.offsetTop;
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 6);
+sel.extend(t, 8);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/dynamic-text-1a.html b/layout/reftests/selection/dynamic-text-1a.html
new file mode 100644
index 000000000..1595b545d
--- /dev/null
+++ b/layout/reftests/selection/dynamic-text-1a.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"> 00 
+ BC 
+ FG 
+ JK 
+<script>
+document.body.offsetTop;
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 11);
+sel.extend(t, 13);
+
+function doTest() {
+  t.replaceData(0, 5, '');
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/dynamic-text-1b.html b/layout/reftests/selection/dynamic-text-1b.html
new file mode 100644
index 000000000..9f90d9753
--- /dev/null
+++ b/layout/reftests/selection/dynamic-text-1b.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"> FG 
+ JK 
+<script>
+document.body.offsetTop;
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 1);
+sel.extend(t, 3);
+
+function doTest() {
+  t.insertData(0, ' BC \n');
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1-ref.html b/layout/reftests/selection/extend-1-ref.html
new file mode 100644
index 000000000..a3d5bd9f8
--- /dev/null
+++ b/layout/reftests/selection/extend-1-ref.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2);
+sel.extend(t, 8);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1-sanity.html b/layout/reftests/selection/extend-1-sanity.html
new file mode 100644
index 000000000..5e362a513
--- /dev/null
+++ b/layout/reftests/selection/extend-1-sanity.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre">0123456789
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1a.html b/layout/reftests/selection/extend-1a.html
new file mode 100644
index 000000000..716f949d6
--- /dev/null
+++ b/layout/reftests/selection/extend-1a.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2);
+sel.extend(t, 9);
+
+function doTest() {
+  sel.extend(t, 8);
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1b.html b/layout/reftests/selection/extend-1b.html
new file mode 100644
index 000000000..7a622f325
--- /dev/null
+++ b/layout/reftests/selection/extend-1b.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test newfocus < anchor < focus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 8); // anchor
+sel.extend(t, 9);   // focus
+
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1c.html b/layout/reftests/selection/extend-1c.html
new file mode 100644
index 000000000..caf9f61c3
--- /dev/null
+++ b/layout/reftests/selection/extend-1c.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test anchor < newfocus < focus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2); // anchor
+sel.extend(t, 9);   // focus
+
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1d.html b/layout/reftests/selection/extend-1d.html
new file mode 100644
index 000000000..5d05ac5bb
--- /dev/null
+++ b/layout/reftests/selection/extend-1d.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test anchor < newfocus = focus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2); // anchor
+sel.extend(t, 8);   // focus
+
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1e.html b/layout/reftests/selection/extend-1e.html
new file mode 100644
index 000000000..ac770e682
--- /dev/null
+++ b/layout/reftests/selection/extend-1e.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test anchor < focus < newfocus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2); // anchor
+sel.extend(t, 6);   // focus
+
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1f.html b/layout/reftests/selection/extend-1f.html
new file mode 100644
index 000000000..36fc28bdb
--- /dev/null
+++ b/layout/reftests/selection/extend-1f.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test newfocus < focus < anchor
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 8); // anchor
+sel.extend(t, 4);   // focus
+
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1g.html b/layout/reftests/selection/extend-1g.html
new file mode 100644
index 000000000..40d0372d4
--- /dev/null
+++ b/layout/reftests/selection/extend-1g.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test newfocus = focus < anchor
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 8); // anchor
+sel.extend(t, 2);   // focus
+
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1h.html b/layout/reftests/selection/extend-1h.html
new file mode 100644
index 000000000..c91639d6a
--- /dev/null
+++ b/layout/reftests/selection/extend-1h.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test focus < newfocus < anchor
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 8); // anchor
+sel.extend(t, 1);   // focus
+
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-1i.html b/layout/reftests/selection/extend-1i.html
new file mode 100644
index 000000000..8a1ae5c06
--- /dev/null
+++ b/layout/reftests/selection/extend-1i.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test focus < anchor < newfocus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2); // anchor
+sel.extend(t, 1);   // focus
+
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-2-ref.html b/layout/reftests/selection/extend-2-ref.html
new file mode 100644
index 000000000..5e362a513
--- /dev/null
+++ b/layout/reftests/selection/extend-2-ref.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre">0123456789
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-2a.html b/layout/reftests/selection/extend-2a.html
new file mode 100644
index 000000000..6d5d1529e
--- /dev/null
+++ b/layout/reftests/selection/extend-2a.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test newfocus = anchor < focus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 2); // anchor
+sel.extend(t, 8);   // focus
+
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-2b.html b/layout/reftests/selection/extend-2b.html
new file mode 100644
index 000000000..6cdb5b453
--- /dev/null
+++ b/layout/reftests/selection/extend-2b.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre">0123456789
+<script>
+document.body.offsetTop;
+// Test focus < anchor = newfocus
+var t = document.body.firstChild;
+var sel = window.getSelection();
+sel.collapse(t, 8); // anchor
+sel.extend(t, 2);   // focus
+
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3-ref.html b/layout/reftests/selection/extend-3-ref.html
new file mode 100644
index 000000000..37e78dad4
--- /dev/null
+++ b/layout/reftests/selection/extend-3-ref.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2);
+  sel.extend(t, 8);
+}
+window.addEventListener("load", loaded, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3-sanity.html b/layout/reftests/selection/extend-3-sanity.html
new file mode 100644
index 000000000..9be470648
--- /dev/null
+++ b/layout/reftests/selection/extend-3-sanity.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3a.html b/layout/reftests/selection/extend-3a.html
new file mode 100644
index 000000000..99636de24
--- /dev/null
+++ b/layout/reftests/selection/extend-3a.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+var sel = window.getSelection();
+// Don't start the selection until the document is loaded; we may reconstruct
+// frames for the images, which will lose their selection state (this is a bug)
+function loaded() {
+  sel.collapse(t, 2);
+  sel.extend(t, 9);
+}
+function doTest() {
+  sel.extend(t, 8);
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3b.html b/layout/reftests/selection/extend-3b.html
new file mode 100644
index 000000000..004119b4e
--- /dev/null
+++ b/layout/reftests/selection/extend-3b.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test newfocus < anchor < focus
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 8); // anchor
+  sel.extend(t, 9);   // focus
+}
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3c.html b/layout/reftests/selection/extend-3c.html
new file mode 100644
index 000000000..d6b341af2
--- /dev/null
+++ b/layout/reftests/selection/extend-3c.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test anchor < newfocus < focus
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2); // anchor
+  sel.extend(t, 9);   // focus
+}
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3d.html b/layout/reftests/selection/extend-3d.html
new file mode 100644
index 000000000..71518742d
--- /dev/null
+++ b/layout/reftests/selection/extend-3d.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test anchor < newfocus = focus
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2); // anchor
+  sel.extend(t, 8);   // focus
+}
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3e.html b/layout/reftests/selection/extend-3e.html
new file mode 100644
index 000000000..a7a8ce86d
--- /dev/null
+++ b/layout/reftests/selection/extend-3e.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test anchor < focus < newfocus
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2); // anchor
+  sel.extend(t, 6);   // focus
+}
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3f.html b/layout/reftests/selection/extend-3f.html
new file mode 100644
index 000000000..eed361edc
--- /dev/null
+++ b/layout/reftests/selection/extend-3f.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test newfocus < focus < anchor
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 8); // anchor
+  sel.extend(t, 4);   // focus
+}
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3g.html b/layout/reftests/selection/extend-3g.html
new file mode 100644
index 000000000..a1cc8c235
--- /dev/null
+++ b/layout/reftests/selection/extend-3g.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test newfocus = focus < anchor
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 8); // anchor
+  sel.extend(t, 2);   // focus
+}
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3h.html b/layout/reftests/selection/extend-3h.html
new file mode 100644
index 000000000..9cd9cf7ba
--- /dev/null
+++ b/layout/reftests/selection/extend-3h.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test focus < newfocus < anchor
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 8); // anchor
+  sel.extend(t, 1);   // focus
+}
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-3i.html b/layout/reftests/selection/extend-3i.html
new file mode 100644
index 000000000..a815b2bbb
--- /dev/null
+++ b/layout/reftests/selection/extend-3i.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+var t = document.body;
+// Test focus < anchor < newfocus
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2); // anchor
+  sel.extend(t, 1);   // focus
+}
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-4-ref.html b/layout/reftests/selection/extend-4-ref.html
new file mode 100644
index 000000000..9be470648
--- /dev/null
+++ b/layout/reftests/selection/extend-4-ref.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-4a.html b/layout/reftests/selection/extend-4a.html
new file mode 100644
index 000000000..8d3a42315
--- /dev/null
+++ b/layout/reftests/selection/extend-4a.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+// Test newfocus = anchor < focus
+var t = document.body;
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 2); // anchor
+  sel.extend(t, 8);   // focus
+}
+function doTest() {
+  sel.extend(t, 2); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/extend-4b.html b/layout/reftests/selection/extend-4b.html
new file mode 100644
index 000000000..31cfffa9c
--- /dev/null
+++ b/layout/reftests/selection/extend-4b.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<body style="white-space:pre"
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+><img src="data:image/gif;base64,R0lGODlhEAAQAPAAALuWAAAAACH5BAUIAAEALAMAAwAKAAoAAAIMDI5nye0Po5xutVAAADs="
+>
+<script>
+document.body.offsetTop;
+// Test focus < anchor = newfocus
+var t = document.body;
+var sel = window.getSelection();
+function loaded() {
+  sel.collapse(t, 8); // anchor
+  sel.extend(t, 2);   // focus
+}
+function doTest() {
+  sel.extend(t, 8); // newfocus
+  document.documentElement.removeAttribute('class');
+}
+window.addEventListener("load", loaded, false);
+document.addEventListener("MozReftestInvalidate", doTest, false);
+</script>
+</body>
+</html>
diff --git a/layout/reftests/selection/modify-range-ref.html b/layout/reftests/selection/modify-range-ref.html
new file mode 100644
index 000000000..5086fcef8
--- /dev/null
+++ b/layout/reftests/selection/modify-range-ref.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait"><head>
+    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+    <title>Testcase for bug </title>
+<script>
+var tests_done = 0;
+var tests = [
+  'window.getSelection().getRangeAt(0).setEnd(document.getElementsByTagName("pre")[0].firstChild,9)',
+  'window.getSelection().getRangeAt(0).setEndAfter(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).setEndBefore(document.getElementsByTagName("pre")[0].childNodes[1])',
+  'pre=document.getElementsByTagName("pre")[0]; r=window.getSelection().getRangeAt(0); r.setEnd(pre.childNodes[1],3); r.setStartAfter(pre.firstChild)',
+  'window.getSelection().getRangeAt(0).setStartBefore(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).selectNode(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).selectNodeContents(document.getElementsByTagName("pre")[0])',
+  'window.getSelection().getRangeAt(0).collapse(true)',
+  'window.getSelection().getRangeAt(0).surroundContents(document.createElement("span"))',
+  'window.getSelection().getRangeAt(0).setStart(document,0)',
+  'window.getSelection().getRangeAt(0).detach()',
+  'window.getSelection().getRangeAt(0).extractContents()',
+  'window.getSelection().getRangeAt(0).deleteContents()'
+];
+function init_iframe(d) {
+  var pre = d.createElement('pre');
+  pre.appendChild(d.createTextNode('first\nfirst\n'));
+  pre.appendChild(d.createTextNode('second'));
+  d.documentElement.appendChild(pre);
+  var text = pre.firstChild;
+  var sel = d.defaultView.getSelection();
+  var r = d.createRange();
+  r.setStart(text,0)
+  r.setEnd(text,3)
+  sel.addRange(r);
+  d.documentElement.offsetHeight;
+}
+function test_iframe(iframe, i) {
+  iframe.contentDocument.write(
+    '<'+'style>span { text-decoration:underline; } <'+'/style>' +
+    '<'+'script>' + 
+        'window.parent.init_iframe(document);' +
+        'setTimeout(function(){' + window.parent.tests[i] + '; sel=window.getSelection(); try{r=sel.getRangeAt(0); sel.removeRange(r); sel.addRange(r);}catch(e){};  ++window.parent.tests_done; },0)' +
+    '<'+'/script>'
+  );
+}
+function create_iframe(i) {
+  var div = document.createElement('div');
+  document.body.appendChild(div);
+  div.innerHTML = "<iframe src='about:blank' style='height:6em; width:12em; float:left;' frameborder='0' onload='test_iframe(this,"+i+")'><iframe>"
+}
+
+var id;
+function check_if_done() {
+  if (tests_done == tests.length) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function test() {
+  for (i = 0; i < tests.length; ++i) {
+    create_iframe(i);
+  }
+  id = setInterval(check_if_done,500);
+}
+</script>
+
+</head>
+<body onload="test()"></body>
+</html>
diff --git a/layout/reftests/selection/modify-range.html b/layout/reftests/selection/modify-range.html
new file mode 100644
index 000000000..2595511ed
--- /dev/null
+++ b/layout/reftests/selection/modify-range.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait"><head>
+    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+    <title>Testcase for bug </title>
+<script>
+var tests_done = 0;
+var tests = [
+  'window.getSelection().getRangeAt(0).setEnd(document.getElementsByTagName("pre")[0].firstChild,9)',
+  'window.getSelection().getRangeAt(0).setEndAfter(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).setEndBefore(document.getElementsByTagName("pre")[0].childNodes[1])',
+  'pre=document.getElementsByTagName("pre")[0]; r=window.getSelection().getRangeAt(0); r.setEnd(pre.childNodes[1],3); r.setStartAfter(pre.firstChild)',
+  'window.getSelection().getRangeAt(0).setStartBefore(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).selectNode(document.getElementsByTagName("pre")[0].firstChild)',
+  'window.getSelection().getRangeAt(0).selectNodeContents(document.getElementsByTagName("pre")[0])',
+  'window.getSelection().getRangeAt(0).collapse(true)',
+  'window.getSelection().getRangeAt(0).surroundContents(document.createElement("span"))',
+  'window.getSelection().getRangeAt(0).setStart(document,0)',
+  'window.getSelection().getRangeAt(0).detach()',
+  'window.getSelection().getRangeAt(0).extractContents()',
+  'window.getSelection().getRangeAt(0).deleteContents()'
+];
+function init_iframe(d) {
+  var pre = d.createElement('pre');
+  pre.appendChild(d.createTextNode('first\nfirst\n'));
+  pre.appendChild(d.createTextNode('second'));
+  d.documentElement.appendChild(pre);
+  var text = pre.firstChild;
+  var sel = d.defaultView.getSelection();
+  var r = d.createRange();
+  r.setStart(text,0)
+  r.setEnd(text,3)
+  sel.addRange(r);
+  d.documentElement.offsetHeight;
+}
+function test_iframe(iframe, i) {
+  iframe.contentDocument.write(
+    '<'+'style>span { text-decoration:underline; } <'+'/style>' +
+    '<'+'script>' + 
+        'window.parent.init_iframe(document);' +
+        'setTimeout(function(){' + window.parent.tests[i] + '; ++window.parent.tests_done; },0)' +
+    '<'+'/script>'
+  );
+}
+function create_iframe(i) {
+  var div = document.createElement('div');
+  document.body.appendChild(div);
+  div.innerHTML = "<iframe src='about:blank' style='height:6em; width:12em; float:left;' frameborder='0' onload='test_iframe(this,"+i+")'><iframe>"
+}
+
+var id;
+function check_if_done() {
+  if (tests_done == tests.length) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function test() {
+  for (i = 0; i < tests.length; ++i) {
+    create_iframe(i);
+  }
+  id = setInterval(check_if_done,500);
+}
+</script>
+
+</head>
+<body onload="test()"></body>
+</html>
diff --git a/layout/reftests/selection/non-themed-widget-ref.html b/layout/reftests/selection/non-themed-widget-ref.html
new file mode 100644
index 000000000..08faed7ec
--- /dev/null
+++ b/layout/reftests/selection/non-themed-widget-ref.html
@@ -0,0 +1,16 @@
+<html>
+<head>
+<style type="text/css">
+input {
+  background-color: Highlight;
+}
+input::-moz-selection {
+  background-color: HighlightText;
+  color: Highlight;
+}
+</style>
+</head>
+<body onload="document.getElementById('i').select();">
+<input id="i" value="text">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/non-themed-widget.html b/layout/reftests/selection/non-themed-widget.html
new file mode 100644
index 000000000..7b8708fc1
--- /dev/null
+++ b/layout/reftests/selection/non-themed-widget.html
@@ -0,0 +1,12 @@
+<html>
+<head>
+<style type="text/css">
+input {
+  background-color: Highlight;
+}
+</style>
+</head>
+<body onload="document.getElementById('i').select();">
+<input id="i" value="text">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/pseudo-element-of-native-anonymous-ref.html b/layout/reftests/selection/pseudo-element-of-native-anonymous-ref.html
new file mode 100644
index 000000000..dbcfef7cf
--- /dev/null
+++ b/layout/reftests/selection/pseudo-element-of-native-anonymous-ref.html
@@ -0,0 +1,13 @@
+<html>
+<head>
+<style type="text/css">
+input {
+  color: white;
+  background-color: green;
+}
+</style>
+</head>
+<body onload="document.getElementById('i').select();">
+<input value="text" id="i">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/pseudo-element-of-native-anonymous.html b/layout/reftests/selection/pseudo-element-of-native-anonymous.html
new file mode 100644
index 000000000..9193f1c27
--- /dev/null
+++ b/layout/reftests/selection/pseudo-element-of-native-anonymous.html
@@ -0,0 +1,17 @@
+<html>
+<head>
+<style type="text/css">
+input {
+  color: white;
+  background-color: green;
+}
+input::-moz-selection {
+  color: red;
+  background-color: blue;
+}
+</style>
+</head>
+<body onload="document.getElementById('i').select();">
+<input value="text" id="i">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/reftest-stylo.list b/layout/reftests/selection/reftest-stylo.list
new file mode 100644
index 000000000..c85f4468f
--- /dev/null
+++ b/layout/reftests/selection/reftest-stylo.list
@@ -0,0 +1,43 @@
+# DO NOT EDIT! This is a auto-generated temporary list for Stylo testing
+fails fuzzy-if(skiaContent,1,30) == dynamic-text-1a.html dynamic-text-1a.html
+fails fuzzy-if(skiaContent,1,40) == dynamic-text-1b.html dynamic-text-1b.html
+== extend-1-sanity.html extend-1-sanity.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1a.html extend-1a.html
+fails fuzzy-if(skiaContent,1,10) == extend-1b.html extend-1b.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1c.html extend-1c.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1d.html extend-1d.html
+skip fuzzy-if(skiaContent,1,1000) == extend-1e.html extend-1e.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1f.html extend-1f.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1g.html extend-1g.html
+fails fuzzy-if(skiaContent,1,1000) == extend-1h.html extend-1h.html
+fails fuzzy-if(skiaContent,1,10) == extend-1i.html extend-1i.html
+== extend-2a.html extend-2a.html
+== extend-2b.html extend-2b.html
+== extend-3-sanity.html extend-3-sanity.html
+fuzzy-if(skiaContent,1,700) == extend-3a.html extend-3a.html
+fuzzy-if(skiaContent,1,700) == extend-3b.html extend-3b.html
+fuzzy-if(skiaContent,1,700) == extend-3c.html extend-3c.html
+fuzzy-if(skiaContent,1,700) == extend-3d.html extend-3d.html
+fuzzy-if(skiaContent,1,700) == extend-3e.html extend-3e.html
+fuzzy-if(skiaContent,1,700) == extend-3f.html extend-3f.html
+fuzzy-if(skiaContent,1,700) == extend-3g.html extend-3g.html
+fuzzy-if(skiaContent,1,700) == extend-3h.html extend-3h.html
+fuzzy-if(skiaContent,1,700) == extend-3i.html extend-3i.html
+== extend-4a.html extend-4a.html
+== extend-4b.html extend-4b.html
+# these 3 random-if(Android) are a difference of Native & Xul, see bug 739714
+skip random-if(Android||B2G||Mulet) needs-focus == pseudo-element-of-native-anonymous.html pseudo-element-of-native-anonymous.html
+# bug 676641
+# Initial mulet triage: parity with B2G/B2G Desktop
+# These tests uses Highlight and HighlightText color keywords, they are not same as text selection color on Mac.
+random-if(Android||B2G||Mulet) fails-if(cocoaWidget) needs-focus == non-themed-widget.html non-themed-widget.html
+# bug 773482
+# Initial mulet triage: parity with B2G/B2G Desktop
+random-if(Android||B2G||Mulet) fails-if(cocoaWidget) needs-focus == themed-widget.html themed-widget.html
+# Initial mulet triage: parity with B2G/B2G Desktop
+== addrange-1.html addrange-1.html
+fuzzy-if(skiaContent,1,1200) == addrange-2.html addrange-2.html
+skip == splitText-normalize.html splitText-normalize.html
+skip == modify-range.html modify-range.html
+skip == dom-mutations.html dom-mutations.html
+fuzzy-if(OSX==1010,9,1) fuzzy-if(OSX&&skiaContent,6,1) fuzzy-if(skiaContent&&!OSX,1,2138) == trailing-space-1.html trailing-space-1.html
diff --git a/layout/reftests/selection/reftest.list b/layout/reftests/selection/reftest.list
new file mode 100644
index 000000000..4b20b4790
--- /dev/null
+++ b/layout/reftests/selection/reftest.list
@@ -0,0 +1,37 @@
+fuzzy-if(skiaContent,1,30) == dynamic-text-1a.html dynamic-text-1-ref.html
+fuzzy-if(skiaContent,1,40) == dynamic-text-1b.html dynamic-text-1-ref.html
+!= extend-1-sanity.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1a.html extend-1-ref.html
+fuzzy-if(skiaContent,1,10) == extend-1b.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1c.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1d.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1e.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1f.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1g.html extend-1-ref.html
+fuzzy-if(skiaContent,1,1000) == extend-1h.html extend-1-ref.html
+fuzzy-if(skiaContent,1,10) == extend-1i.html extend-1-ref.html
+== extend-2a.html extend-2-ref.html
+== extend-2b.html extend-2-ref.html
+!= extend-3-sanity.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3a.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3b.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3c.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3d.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3e.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3f.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3g.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3h.html extend-3-ref.html
+fuzzy-if(skiaContent,1,700) == extend-3i.html extend-3-ref.html
+== extend-4a.html extend-4-ref.html
+== extend-4b.html extend-4-ref.html
+# these 3 random-if(Android) are a difference of Native & Xul, see bug 739714
+random-if(Android) needs-focus != pseudo-element-of-native-anonymous.html pseudo-element-of-native-anonymous-ref.html # bug 676641
+# These tests uses Highlight and HighlightText color keywords, they are not same as text selection color on Mac.
+random-if(Android) fails-if(cocoaWidget) needs-focus == non-themed-widget.html non-themed-widget-ref.html
+random-if(Android) fails-if(cocoaWidget) needs-focus == themed-widget.html themed-widget-ref.html
+== addrange-1.html addrange-ref.html
+fuzzy-if(skiaContent,1,1200) == addrange-2.html addrange-ref.html
+== splitText-normalize.html splitText-normalize-ref.html
+== modify-range.html modify-range-ref.html
+== dom-mutations.html dom-mutations-ref.html
+fuzzy-if(OSX==1010,9,1) fuzzy-if(OSX&&skiaContent,6,1) fuzzy-if(skiaContent&&!OSX,1,2138) == trailing-space-1.html trailing-space-1-ref.html
diff --git a/layout/reftests/selection/splitText-normalize-ref.html b/layout/reftests/selection/splitText-normalize-ref.html
new file mode 100644
index 000000000..fd507ab0f
--- /dev/null
+++ b/layout/reftests/selection/splitText-normalize-ref.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=191864
+-->
+<head>
+  <title>Test for Bug 191864</title>
+  <script type="application/javascript;version=1.7" src="splitText-normalize.js"></script>
+<script type="application/javascript;version=1.7">
+var id;
+function checkFinished() {
+  if (window.frames.length == tests_done) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function runTest() {
+  let col1 = document.getElementById('col1');
+  let col2 = document.getElementById('col2');
+  let col3 = document.getElementById('col3');
+  let col4 = document.getElementById('col4');
+  for (let i=0; i < tests.length; ++i) {
+    let t = tests[i];
+    col1.appendChild(createFrame(test_ref,t));
+    col2.appendChild(createFrame(test_ref,t));
+    col3.appendChild(createFrame(test_ref,t));
+    col4.appendChild(createFrame(test_ref,t));
+  }
+  id = setInterval(checkFinished,500);
+}
+</script>
+</head>
+<body onload="runTest()">
+<span id="col1" style="float:left; height:800px; width:180px;"></span>
+<span id="col2" style="float:left; height:800px; width:180px;"></span>
+<span id="col3" style="float:left; height:800px; width:180px;"></span>
+<span id="col4" style="float:left; height:800px; width:180px;"></span>
+</body>
+</html>
diff --git a/layout/reftests/selection/splitText-normalize.html b/layout/reftests/selection/splitText-normalize.html
new file mode 100644
index 000000000..a6fc7ed64
--- /dev/null
+++ b/layout/reftests/selection/splitText-normalize.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=191864
+-->
+<head>
+  <title>Test for Bug 191864</title>
+  <script type="application/javascript;version=1.7" src="splitText-normalize.js"></script>
+<script type="application/javascript;version=1.7">
+var id;
+function checkFinished() {
+  if (window.frames.length == tests_done) {
+    clearInterval(id);
+    document.documentElement.className = "";
+  }
+}
+
+function runTest() {
+  let col1 = document.getElementById('col1');
+  let col2 = document.getElementById('col2');
+  let col3 = document.getElementById('col3');
+  let col4 = document.getElementById('col4');
+  for (let i=0; i < tests.length; ++i) {
+    let t = tests[i];
+    col1.appendChild(createFrame(test_split,t));
+    col2.appendChild(createFrame(test_split_merge,t));
+    col3.appendChild(createFrame(test_merge,t));
+    col4.appendChild(createFrame(test_split_insert,t));
+  }
+  id = setInterval(checkFinished,500);
+}
+</script>
+</head>
+<body onload="runTest()">
+<span id="col1" style="float:left; height:800px; width:180px;"></span>
+<span id="col2" style="float:left; height:800px; width:180px;"></span>
+<span id="col3" style="float:left; height:800px; width:180px;"></span>
+<span id="col4" style="float:left; height:800px; width:180px;"></span>
+</body>
+</html>
diff --git a/layout/reftests/selection/splitText-normalize.js b/layout/reftests/selection/splitText-normalize.js
new file mode 100644
index 000000000..ae3dd312f
--- /dev/null
+++ b/layout/reftests/selection/splitText-normalize.js
@@ -0,0 +1,86 @@
+/** Test for Bug 191864 **/
+var tests_done = 0;
+var tests = [
+ [ {}, [0,4], "012345678" ],
+ [ {}, [0,0], "012345678" ],
+ [ {}, [0,9], "012345678" ],
+ [ {startOffset:4}, [0,4], "012345678" ],
+ [ {startOffset:5}, [0,4], "012345678" ],
+ [ {startOffset:5,endOffset:6}, [0,4], "012345678" ],
+ [ {endOffset:5}, [0,4], "012345678" ],
+ [ {endOffset:4}, [0,4], "012345678" ],
+ [ {endOffset:3}, [0,4], "012345678" ],
+ [ {startOffset:1,endOffset:3}, [0,4], "012345678" ],
+ [ {startOffset:7,endOffset:7}, [0,4], "012345678" ],
+ [ {startOffset:4,endOffset:4}, [0,4], "012345678" ],
+ [ {endNode:1}, [0,4], "012345678", "" ],
+ [ {endNode:1}, [0,4], "01234567", "8" ],
+ [ {endNode:1}, [1,4], "0", "12345678" ],
+ [ {startOffset:1,endNode:1}, [0,0], "0", "12345678" ],
+ [ {endNode:2}, [1,4], "0", "12345", "678" ],
+]
+
+function runtest(f,t,nosplit) {
+  // create content
+  let doc = f.contentDocument;
+  for (let i = 2; i < t.length; ++i) {
+    c = doc.createTextNode(t[i]);
+    doc.body.appendChild(c);
+  }
+
+  // setup selection
+  let sel = t[0]
+  let startNode = sel.startNode === undefined ? doc.body.firstChild : doc.body.childNodes[sel.startNode];
+  let startOffset = sel.startOffset === undefined ? 0 : sel.startOffset;
+  let endNode = sel.endNode === undefined ? startNode : doc.body.childNodes[sel.endNode];
+  let endOffset = sel.endOffset === undefined ? endNode.length : sel.endOffset;
+  let selection = f.contentWindow.getSelection();
+  let r = doc.createRange();
+  r.setStart(startNode, startOffset);
+  r.setEnd(endNode, endOffset);
+  selection.addRange(r);
+
+  // splitText
+  let split = t[1]
+  if (!nosplit)
+    doc.body.childNodes[split[0]].splitText(split[1])
+}
+function test_ref(f,t,nosplit) {
+  runtest(f,t,true);
+}
+function test_split(f,t) {
+  runtest(f,t);
+}
+function test_split_insert(f,t) {
+  runtest(f,t);
+  let doc = f.contentDocument;
+  doc.body.firstChild;
+  let split = t[1]
+  let text1 = doc.body.childNodes[split[0]]
+  let text2 = doc.body.childNodes[split[0]+1]
+  if (text2.textContent.length==0) return;
+  let c = doc.createTextNode(text2.textContent[0]);
+  doc.body.insertBefore(c,text2);
+  let r = doc.createRange();
+  r.setStart(text2, 0);
+  r.setEnd(text2, 1);
+  r.deleteContents();
+}
+function test_split_merge(f,t) {
+  runtest(f,t);
+  f.contentDocument.body.normalize();
+}
+function test_merge(f,t) {
+  runtest(f,t,true);
+  f.contentDocument.body.normalize();
+}
+
+function createFrame(run,t) {
+  let f = document.createElement('iframe');
+  f.setAttribute('height','22');
+  f.setAttribute('frameborder','0');
+  f.setAttribute('width','200');
+  f.src = 'data:text/html,<body style="margin:0;padding:0">';
+  f.onload = function () { try { run(f, t); } finally { ++tests_done; } }
+  return f;
+}
diff --git a/layout/reftests/selection/themed-widget-ref.html b/layout/reftests/selection/themed-widget-ref.html
new file mode 100644
index 000000000..1a932c303
--- /dev/null
+++ b/layout/reftests/selection/themed-widget-ref.html
@@ -0,0 +1,13 @@
+<html>
+<head>
+<style type="text/css">
+input::-moz-selection {
+  background-color: Highlight;
+  color: HighlightText;
+}
+</style>
+</head>
+<body onload="document.getElementById('i').select();">
+<input id="i" value="text">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/themed-widget.html b/layout/reftests/selection/themed-widget.html
new file mode 100644
index 000000000..6d94f5584
--- /dev/null
+++ b/layout/reftests/selection/themed-widget.html
@@ -0,0 +1,5 @@
+<html>
+<body onload="document.getElementById('i').select();">
+<input id="i" value="text">
+</body>
+</html>
+\ No newline at end of file
diff --git a/layout/reftests/selection/trailing-space-1-ref.html b/layout/reftests/selection/trailing-space-1-ref.html
new file mode 100644
index 000000000..bb33604a7
--- /dev/null
+++ b/layout/reftests/selection/trailing-space-1-ref.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+    <title>Test for bug 1146754</title>
+    <script>
+      function selectTest() {
+        window.getSelection().removeAllRanges();
+        var range = document.createRange();
+        range.selectNode(document.querySelector('#test'));
+        window.getSelection().addRange(range);
+      }
+    </script>
+    <style>
+      body { padding: 1em; }
+      div>div { height: 2em; }
+    </style>
+  </head>
+  <body onload="selectTest()" contenteditable>
+    <div id="test">
+      <div>123 <span style="color:transparent;font-size:0">x</span></div>
+      <div style="text-shadow:8px 3px 0 red;">456 <span style="color:transparent;font-size:0">x</span></div>
+      <div><u>789</u> <span style="color:transparent;font-size:0">x</span></div>
+      <div style="text-shadow:-4px 3px 0 red;"><u>012</u> <span style="color:transparent;font-size:0">x</span></div>
+    </div>
+  </body>
+</html>
diff --git a/layout/reftests/selection/trailing-space-1.html b/layout/reftests/selection/trailing-space-1.html
new file mode 100644
index 000000000..487cd726e
--- /dev/null
+++ b/layout/reftests/selection/trailing-space-1.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+    <title>Test for bug 1146754</title>
+    <script>
+      function selectTest() {
+        window.getSelection().removeAllRanges();
+        var range = document.createRange();
+        range.selectNode(document.querySelector('#test'));
+        window.getSelection().addRange(range);
+      }
+    </script>
+    <style>
+      body { padding: 1em; }
+      div>div { height: 2em; }
+    </style>
+  </head>
+  <body onload="selectTest()" contenteditable>
+    <div id="test">
+      <div>123 </div>
+      <div style="text-shadow:8px 3px 0 red;">456 </div>
+      <div style="text-decoration:underline">789 </div>
+      <div style="text-decoration:underline; text-shadow:-4px 3px 0 red;">012 </div>
+    </div>
+  </body>
+</html>