4 files changed, 897 insertions, 0 deletions
diff --git a/layout/tools/tests/content_dumping.html b/layout/tools/tests/content_dumping.html
new file mode 100644
index 000000000..d89b802a3
--- /dev/null
+++ b/layout/tools/tests/content_dumping.html
@@ -0,0 +1,101 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+        "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
+<html>
+<head>
+	<title>Control Frame</title>
+</head>
+
+<script type="application/javascript">
+
+const nsILayoutDebuggingTools = Components.interfaces.nsILayoutDebuggingTools;
+var gDebugTools;
+
+function Init()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools = Components.classes["@mozilla.org/layout-debug/layout-debuggingtools;1"].createInstance(nsILayoutDebuggingTools);
+  gDebugTools.init(window.frames.pageframe);
+}
+
+function SetShowFrameBorders(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.visualDebugging = inShow;
+}
+
+function SetShowEventTargetBorders(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.visualEventDebugging = inShow;
+}
+
+function SetShowReflowStats(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.reflowCounts = inShow;
+}
+
+function DumpFrames()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpFrames();
+}
+
+function DumpContent()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpContent();
+}
+
+function DumpViews()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpViews();
+}
+
+function DumpWebShells()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpWebShells();
+}
+
+function InputKey(inEvent)
+{
+  if (inEvent.keyCode == KeyEvent.DOM_VK_RETURN)
+  {
+    var pageFrame = window.frames.pageframe;
+    pageFrame.location.href = document.dumpform.urlfield.value;
+    inEvent.preventDefault();   // avoid form submit on hitting return
+  }
+}
+
+function IframeLoaded()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  document.dumpform.urlfield.value = window.frames.pageframe.location.href;
+}
+</script>
+
+<body onload="Init()">
+
+<form name="dumpform">
+<div style="margin-bottom: 5px">
+URL: <input type="text" size="100" name="urlfield" value="http://www.mozilla.org" onkeypress="InputKey(event)"></input>
+</div>
+<div>
+<input type="button" value="Dump Frames" onclick="DumpFrames()">
+<input type="button" value="Dump Content" onclick="DumpContent()">
+<input type="button" value="Dump Views" onclick="DumpViews()">
+<input type="button" value="Dump WebShells" onclick="DumpWebShells()">
+
+<input type="checkbox" id="showBordersCheck" name="showBordersCheck"
+    onchange="SetShowFrameBorders(document.dumpform.showBordersCheck.checked)"></input>
+<label for="showBordersCheck">Show Frame Borders</label>
+</div>
+</form>
+
+<iframe name="pageframe" style="border: 1px solid black; width:800px; height:800px;" onload="IframeLoaded()"></iframe>
+
+</body>
+</html>
+
diff --git a/layout/tools/tests/debug_utils.html b/layout/tools/tests/debug_utils.html
new file mode 100644
index 000000000..4c2ba98c5
--- /dev/null
+++ b/layout/tools/tests/debug_utils.html
@@ -0,0 +1,111 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+        "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
+<html>
+<head>
+	<title>Layout Debug Utilities</title>
+</head>
+<script type="application/javascript">
+
+const nsILayoutDebuggingTools = Components.interfaces.nsILayoutDebuggingTools;
+var gDebugTools;
+
+function Init()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools = Components.classes["@mozilla.org/layout-debug/layout-debuggingtools;1"].createInstance(nsILayoutDebuggingTools);
+  gDebugTools.init(window);
+}
+
+function SetShowFrameBorders(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.visualDebugging = inShow;
+}
+
+function SetShowEventTargetBorders(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.visualEventDebugging = inShow;
+}
+
+function SetShowReflowStats(inShow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.reflowCounts = inShow;
+}
+
+function DumpFrames()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpFrames();
+}
+
+function DumpContent()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpContent();
+}
+
+function DumpViews()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpViews();
+}
+
+function DumpWebShells()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  gDebugTools.dumpWebShells();
+}
+
+</script>
+
+<body onload="Init()">
+<h1>Layout Debug Utils</h1>
+
+<p>Note that these only work in debug builds</h1>
+
+<h2>Global settings</h2>
+
+<form name="globalsform">
+<div>
+<input type="checkbox" id="showBordersCheck" name="showBordersCheck"
+    onchange="SetShowFrameBorders(document.globalsform.showBordersCheck.checked)"></input>
+<label for="showBordersCheck">Show Frame Borders</label>
+</div>
+<div>
+<input type="checkbox"
+    id="showEventTargetCheck"
+    name="showEventTargetCheck"
+    onchange="SetShowEventTargetBorders(document.globalsform.showEventTargetCheck.checked)"></input>
+<label for="showEventTargetCheck">Show Event Target Borders</label>
+</div>
+</form>
+
+<h2>Per-Window settings</h2>
+
+<form name="windowform">
+<input type="checkbox"
+    id="showReflowStatsCheck"
+    name="showReflowStatsCheck"
+    onchange="SetShowReflowStats(document.windowform.showReflowStatsCheck.checked)"></input>
+<label for="showReflowStatsCheck">Show Reflow Stats</label>
+</form>
+
+<h2>Dumping</h2>
+
+<form name="dumpform">
+<div>
+<input type="button" value="Dump Frames" onclick="DumpFrames()">
+<input type="button" value="Dump Content" onclick="DumpContent()">
+<input type="button" value="Dump Views" onclick="DumpViews()">
+<input type="button" value="Dump WebShells" onclick="DumpWebShells()">
+</div>
+
+</form>
+
+
+
+</body>
+</html>
+
diff --git a/layout/tools/tests/regression_tests.html b/layout/tools/tests/regression_tests.html
new file mode 100644
index 000000000..8eff8fc77
--- /dev/null
+++ b/layout/tools/tests/regression_tests.html
@@ -0,0 +1,132 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+        "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
+<html>
+<head>
+  <title>Layout Regression Test Harness</title>
+</head>
+
+<style>
+p.note
+{
+  background-color: #FFFFDD;
+  border: 2px solid red;
+  padding: 10px;
+}
+
+div.indent
+{
+  margin-left: 20px;
+  padding:     5px;
+}
+
+#tests
+{
+  border: 1px solid black;
+  margin: 10px;
+}
+
+#results
+{
+  border:   1px solid black;
+  margin:   10px;
+  overflow: auto;
+  height:   200px;
+}
+</style>
+
+<script src="regression_tests.js" type="application/javascript">
+<!--
+
+//-->
+</script>
+
+<body onload="DoOnload();">
+
+<h1>Layout Regression Test Harness</h1>
+
+<p class="note">
+The JavaScript in this file requires that you grant it XPConnect access,
+via the dialog that appears when you first load the file. Note that the code
+herein creates directories and files, so there is the possibility that it
+may do damage to the contents of your hard disk. You have been warned!
+</p>
+
+<h2>Tests</h2>
+<div id="tests">
+<form name="testForm">
+  <div class="indent">
+    <input type="radio" name="testType" id="singleFileRadio" checked="true" onclick="UpdateRunTestsButton()"></input><label for="singleFileRadio">Single testcase</label>
+    <div class="indent">
+      URL: <input id="singleTestFileInput" name="singleTestFileInput" type="text" size="80" oninput="UpdateRunTestsButton()"></input>
+      <input type="button" onclick="ChooseTestcaseFile();" value="Choose File...">
+    </div>
+  </div>
+
+  <div class="indent">
+    <input type="radio" name="testType" id="dirsRadio" onclick="UpdateRunTestsButton()"></input><label for="dirsRadio">Local Directories</label>
+    <div class="indent">
+      <select id="testDirsSelect" size="5" style="width: 200pt">
+        <option>None selected</option>
+      </select><br>
+      <input type="button" value="Add..." onclick="AppendTestcaseDir();">
+      <input type="button" value="Remove" onclick="RemoveTestcaseDir();">
+    </div>
+  </div>
+  
+  <div class="indent">
+    <hr>
+    <table cellpadding="5px">
+      <thead>
+      <tr>
+      <td><strong>Do what</strong></td>
+      <td><strong>Output file locations</strong></td>
+      </tr>
+      </thead>
+      <tr>
+      <td>
+        <div><input id="baselineRadio"  type="radio" name="doWhat" onclick="UpdateRunTestsButton()" checked="true"></input><label for="baselineRadio">Baseline</label></div>
+        <div><input id="verifyRadio"    type="radio" name="doWhat" onclick="UpdateRunTestsButton()"></input><label for="verifyRadio">Verify</label></div>
+        <div><input id="verifCompRadio" type="radio" name="doWhat" onclick="UpdateRunTestsButton()"></input><label for="verifCompRadio">Verify and Compare</label></div>
+        <div><input id="compRadio"      type="radio" name="doWhat" onclick="UpdateRunTestsButton()"></input><label for="compRadio">Compare</label></div>
+      </td>
+      <td valign="top">
+        <table cellpadding="4px">
+          <tr>
+            <td></td>
+            <td></td>
+            <td>File extensions</td>
+          </tr>
+          <tr>
+            <td align="right">Baseline:</td>
+            <td><input id="baselineOutputDir" name="baselineOutputDir" type="text" size="40" disabled="true"></input>
+                <input type="button" onclick="gBaselineOutputDir = ChooseOutputDirectory('baselineOutputDir'); UpdateRunTestsButton();" value="Choose..."></td>
+            <td><input type="text" size="6" name="baselineFileExtension" value=".bas"></input> (like ".bas")</td>
+          </tr>
+          <tr>
+            <td align="right">Verify:</td>
+            <td><input id="verifyOutputDir" name="verifyOutputDir" type="text" size="40" disabled="true"></input>
+                <input type="button" onclick="gVerifyOutputDir = ChooseOutputDirectory('verifyOutputDir'); UpdateRunTestsButton();" value="Choose..."></td>
+            <td><input type="text" size="6" name="verifyFileExtension" value=".ver"></input>(like ".ver")</td>
+          </tr>
+        </table>
+      </td>
+      </tr>
+      </table>
+    </div>
+    <div class="indent">
+      <hr>
+      <input type="Button" name="runTests" value="Run the Tests!" onclick="RunTests();">
+    </div>
+
+  </div>
+  
+</form>
+</div>
+
+<h2>Results</h2>
+<div id="results">
+</div>
+
+</body>
+</html>
+
diff --git a/layout/tools/tests/regression_tests.js b/layout/tools/tests/regression_tests.js
new file mode 100644
index 000000000..19003b08f
--- /dev/null
+++ b/layout/tools/tests/regression_tests.js
@@ -0,0 +1,553 @@
+
+
+const nsIFilePicker = Components.interfaces.nsIFilePicker;
+const nsILayoutRegressionTester = Components.interfaces.nsILayoutRegressionTester;
+
+const kTestTypeBaseline         = 1;
+const kTestTypeVerify           = 2;
+const kTestTypeVerifyAndCompare = 3;
+const kTestTypeCompare          = 4;
+
+const kTestSourceSingleFile     = 1;
+const kTestSourceDirList        = 2;
+
+var gTestcaseDirArray = new Array;    // array of nsILocalFiles
+
+var gBaselineOutputDir;       // nsIFile
+var gVerifyOutputDir;         // nsIFile
+
+var gBaselineFileExtension;   // string
+var gVerifyFileExtension;     // string
+
+var gTestType;                // baseline, verify, compare etc.
+
+var gTestWindow;
+var gTestURLs = new Array;
+var gTestURLsIndex;
+
+function DoOnload()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  // clear any values that the form manager may have unhelpfully filled in
+  document.testForm.singleTestFileInput.value = "";
+  document.testForm.baselineOutputDir.value = "";
+  document.testForm.verifyOutputDir.value = "";
+  
+  InitFormFromPrefs();
+  
+  UpdateRunTestsButton();
+}
+
+function InitFormFromPrefs()
+{
+  // load prefs
+  try {
+    var testURL = GetStringPref("nglayout.debug.testcaseURL");
+    document.testForm.singleTestFileInput.value = testURL;
+    
+    var baselineDirURL = GetStringPref("nglayout.debug.baselineDirURL");
+    gBaselineOutputDir = GetFileFromURISpec(baselineDirURL);
+    document.testForm.baselineOutputDir.value = gBaselineOutputDir.path;
+    
+    var verifyDirURL = GetStringPref("nglayout.debug.verifyDirURL");
+    gVerifyOutputDir = GetFileFromURISpec(verifyDirURL);
+    document.testForm.verifyOutputDir.value = gVerifyOutputDir.path;
+    
+    var dirIndex = 0;
+    while (true)    // we'll throw  when we reach a nonexistent pref
+    {
+      var curDir = GetStringPref("nglayout.debug.testcaseDir" + dirIndex);
+      var dirFileSpec = GetFileFromURISpec(curDir);
+      gTestcaseDirArray.push(dirFileSpec);
+      dirIndex ++;
+    }
+  }
+  catch(e)
+  {
+  }
+  
+  RebuildTestDirsSelect();
+}
+
+function SaveFormToPrefs()
+{
+   SaveStringPref("nglayout.debug.testcaseURL", document.testForm.singleTestFileInput.value);
+  
+  // save prefs
+  if (gBaselineOutputDir)
+  {
+    var baselineDirURL = GetURISpecFromFile(gBaselineOutputDir);
+    SaveStringPref("nglayout.debug.baselineDirURL", baselineDirURL);
+  }
+  
+  if (gVerifyOutputDir)
+  {
+    var verifyDirURL = GetURISpecFromFile(gVerifyOutputDir);
+    SaveStringPref("nglayout.debug.verifyDirURL", verifyDirURL);
+  }
+  
+  var dirIndex;
+  for (dirIndex = 0; dirIndex < gTestcaseDirArray.length; dirIndex ++)
+  {
+    var curURL = GetURISpecFromFile(gTestcaseDirArray[dirIndex]);
+    SaveStringPref("nglayout.debug.testcaseDir" + dirIndex, curURL);
+  }
+  try
+  {
+    // clear prefs for higher indices until we throw
+    while (1)
+    {
+      ClearPref("nglayout.debug.testcaseDir" + dirIndex);
+    }
+  }
+  catch(e)
+  {
+  }
+  
+}
+
+function GetURISpecFromFile(inFile)
+{
+  var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
+  var fileHandler = ioService.getProtocolHandler("file").QueryInterface(Components.interfaces.nsIFileProtocolHandler);
+  return fileHandler.getURLSpecFromFile(inFile);
+}
+
+function GetFileFromURISpec(uriSpec)
+{
+  var ioService = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
+  var fileHandler = ioService.getProtocolHandler("file").QueryInterface(Components.interfaces.nsIFileProtocolHandler);
+  return fileHandler.getFileFromURLSpec(uriSpec);
+}
+
+function SaveStringPref(inPrefName, inPrefValue)
+{
+  var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
+  prefs.setCharPref(inPrefName, inPrefValue);
+}
+
+function GetStringPref(inPrefName)
+{
+  var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
+  return prefs.getCharPref(inPrefName); 
+}
+
+function ClearPref(inPrefName)
+{
+  var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
+  prefs.clearUserPref(inPrefName); 
+}
+
+function WriteOutput(aText, aReplace, aColorString)
+{
+  var outputDiv = document.getElementById("results");
+
+  if (aReplace)
+    ClearOutput();
+  
+  var childDiv = document.createElement("div");
+  var textNode = document.createTextNode(aText);
+  childDiv.appendChild(textNode);
+  childDiv.setAttribute("style", "color: " + aColorString + ";");
+  outputDiv.appendChild(childDiv);
+}
+
+function ClearOutput()
+{
+  var outputDiv = document.getElementById("results");
+  var curChild;
+  while (curChild = outputDiv.firstChild)
+    outputDiv.removeChild(curChild);
+}
+
+// returns an nsIFile
+function PickDirectory()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
+  fp.init(window, "Pick a directory", nsIFilePicker.modeGetFolder);
+  var result = fp.show();
+  if (result == nsIFilePicker.returnCancel)
+    throw("User cancelled");
+  
+  var chosenDir = fp.file;
+  return chosenDir;
+}
+
+
+// returns a url string
+function PickFileURL()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
+  fp.init(window, "Pick a directory", nsIFilePicker.modeOpen);
+  fp.appendFilters(nsIFilePicker.filterHTML + nsIFilePicker.filterText);
+  
+  var result = fp.show();
+  if (result == nsIFilePicker.returnCancel)
+    throw("User cancelled");
+   
+  return fp.fileURL.spec;
+}
+
+function RebuildTestDirsSelect()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  var dirsSelect = document.getElementById("testDirsSelect");
+  
+  // rebuild it from gTestcaseDirArray
+  while (dirsSelect.length)
+    dirsSelect.remove(0);
+  
+  var i;
+  for (i = 0; i < gTestcaseDirArray.length; i ++)
+  {
+    var curDir = gTestcaseDirArray[i];
+    
+    var optionElement = document.createElement("option");
+    var textNode = document.createTextNode(curDir.leafName);
+    
+    optionElement.appendChild(textNode);
+    dirsSelect.add(optionElement, null);
+  }
+  
+  UpdateRunTestsButton();
+}
+
+// set the 'single testcase' file
+function ChooseTestcaseFile()
+{
+  var dirInput = document.getElementById("singleTestFileInput");
+  dirInput.value = PickFileURL();
+  
+  UpdateRunTestsButton();
+}
+
+function AppendTestcaseDir()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  var chosenDir = PickDirectory();
+  // does the array already contain this dir?
+  var i;
+  for (i = 0; i < gTestcaseDirArray.length; i ++)
+  {
+    var curElement = gTestcaseDirArray[i];
+    if (curElement.equals(chosenDir))    // nsIFile::Equals
+      return;
+  }
+  
+  gTestcaseDirArray[gTestcaseDirArray.length] = chosenDir;
+  RebuildTestDirsSelect();
+}
+
+function RemoveTestcaseDir()
+{
+  var dirsSelect = document.getElementById("testDirsSelect");
+  if (dirsSelect.selectedIndex != -1)
+  {
+    gTestcaseDirArray.splice(dirsSelect.selectedIndex, 1);
+    RebuildTestDirsSelect();
+  }
+}
+
+function InputOptionsValid()
+{
+  if (document.testForm.testType[0].checked)
+  {
+    // need a test file
+    var testcaseURL = document.testForm.singleTestFileInput.value;
+    if (testcaseURL.length == 0) return false;
+  }
+  else if (document.testForm.testType[1].checked)
+  {
+    // need at least one dir
+    if (gTestcaseDirArray.length == 0) return false;
+  }
+  else
+    return false;
+
+  return true;
+}
+
+function OutputOptionsValid()
+{
+  var testType = GetTestType();
+  
+  switch (testType)
+  {
+    case kTestTypeBaseline:
+      if (!gBaselineOutputDir) return false;
+      break;
+      
+    case kTestTypeVerify:
+     if (!gVerifyOutputDir) return false;
+      break;
+      
+    case kTestTypeVerifyAndCompare:
+    case kTestTypeCompare:
+     if (!gBaselineOutputDir  || !gVerifyOutputDir) return false;
+      break;
+  }
+
+  return true;
+}
+
+function UpdateRunTestsButton()
+{
+  var testType = GetTestType();
+  var dataValid = OutputOptionsValid();
+  if (testType != kTestTypeCompare)
+    dataValid &= InputOptionsValid();
+  document.testForm.runTests.disabled = !dataValid;
+}
+
+// returns nsIFile, sets the input value
+function ChooseOutputDirectory(inputElementID)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  var chosenDir = PickDirectory();
+  
+  var inputElement = document.getElementById(inputElementID);
+  inputElement.value = chosenDir.path;
+  
+  return chosenDir;
+}
+
+
+function CompareFrameDumps(testFileBasename, baselineDir, baselineExt, verifyDir, verifyExt)
+{
+  var debugObject = Components.classes["@mozilla.org/layout-debug/regressiontester;1"].createInstance(nsILayoutRegressionTester);
+  
+  var baseFile = baselineDir.clone();
+  baseFile.append(testFileBasename + baselineExt);
+  
+  var verifyFile = verifyDir.clone();
+  verifyFile.append(testFileBasename + verifyExt);
+  
+  var filesDiffer = debugObject.compareFrameModels(baseFile, verifyFile, nsILayoutRegressionTester.COMPARE_FLAGS_BRIEF);
+  if (filesDiffer)
+  {
+    WriteOutput("Test file '" + baseFile.leafName + "' failed", false, "red");
+  }
+  else
+  {
+    WriteOutput("Test file '" + baseFile.leafName + "' passed", false, "green");
+  }
+}
+
+function DumpFrames(testWindow, testFileName, outputDir, outputFileExtension)
+{
+  var debugObject = Components.classes["@mozilla.org/layout-debug/regressiontester;1"].createInstance(nsILayoutRegressionTester);
+
+  var outputFile = outputDir.clone();
+  outputFile.append(testFileName.replace(".html", outputFileExtension));
+
+  dump("Dumping frame model for " + testFileName + " to " + outputFile.leafName + "\n");
+  var result = debugObject.dumpFrameModel(testWindow, outputFile, nsILayoutRegressionTester.DUMP_FLAGS_MASK_DEFAULT);
+  if (result != 0)
+  {
+    WriteOutput("dumpFrameModel for " + testFileName + " failed", false, "orange");
+  }
+}
+
+function LoadTestURL(testWindow, theURL)
+{
+  dump("Loading test " + theURL + "\n");
+  // we use a 1/2 second delay to give time for async reflows to happen
+  testWindow.onload = setTimeout("HandleTestWindowLoad(gTestWindow)", 1000);
+  testWindow.location.href = theURL;
+}
+
+function HandleTestWindowLoad(testWindow)
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  var outputDir;
+  var outputFileExtension;
+  var runCompare = false;
+  
+  switch (gTestType)
+  {
+    case kTestTypeBaseline:
+      outputDir = gBaselineOutputDir;
+      outputFileExtension = gBaselineFileExtension;
+      break;
+      
+    case kTestTypeVerify:
+      outputDir = gVerifyOutputDir;
+      outputFileExtension = gVerifyFileExtension;
+      break;
+      
+    case kTestTypeVerifyAndCompare:
+      outputDir = gVerifyOutputDir;
+      outputFileExtension = gVerifyFileExtension;
+      runCompare = true;
+      break;
+      
+    case kTestTypeCompare:
+      dump("Should never get here");
+      break;
+  }
+  
+  var loadedURL  = testWindow.location.href;
+  var loadedFile = loadedURL.substring(loadedURL.lastIndexOf('/') + 1);
+
+  DumpFrames(testWindow, loadedFile, outputDir, outputFileExtension);
+  
+  if (runCompare)
+  {
+    var testFileBasename = loadedFile.replace(".html", "");
+    CompareFrameDumps(testFileBasename, gBaselineOutputDir, gBaselineFileExtension, gVerifyOutputDir, gVerifyFileExtension);
+  }
+
+  // now fire of the next one, if we have one
+  var nextURL = gTestURLs[gTestURLsIndex++];
+  if (nextURL)
+    LoadTestURL(testWindow, nextURL);
+  else
+    testWindow.close();
+}
+
+
+function AddDirectoryEntriesToTestList(inDirFile, inRequiredExtension)
+{
+  var enumerator = inDirFile.directoryEntries;
+  
+  while (enumerator.hasMoreElements())
+  {
+    var curFile = enumerator.getNext();
+    curFile = curFile.QueryInterface(Components.interfaces.nsIFile);
+
+    var leafName = curFile.leafName;
+    if (leafName.indexOf(inRequiredExtension) != -1)
+    {
+      var fileURI = GetURISpecFromFile(curFile);
+      gTestURLs.push(fileURI);
+    }
+  }
+}
+
+
+// returns an array of filenames
+function DirectoryEntriesToArray(inDirFile, inRequiredExtension)
+{
+  var fileArray = new Array;
+
+  var enumerator = inDirFile.directoryEntries;
+  while (enumerator.hasMoreElements())
+  {
+    var curFile = enumerator.getNext();
+    curFile = curFile.QueryInterface(Components.interfaces.nsIFile);
+    var leafName = curFile.leafName;
+    if (leafName.indexOf(inRequiredExtension) != -1)
+    {
+      fileArray.push(leafName);
+    }
+  }
+
+  return fileArray;
+}
+
+
+function BuildTestURLsList(testSourceType)
+{
+  // clear the array
+  gTestURLs.splice(0, gTestURLs.length);
+  gTestURLsIndex = 0;
+  
+  if (testSourceType == kTestSourceSingleFile)
+  {
+    var testURL = document.testForm.singleTestFileInput.value;
+    if (testURL.substr(-5) != ".html")
+    {
+      // append /index.html if we have to
+      if (testURL.substr(-1) != "/")
+        testURL += "/";
+      testURL += "index.html";
+    }
+    gTestURLs[0] = testURL;
+  }
+  else
+  {
+    for (var i = 0; i < gTestcaseDirArray.length; i++)
+    {
+      var dirFile = gTestcaseDirArray[i];    // nsIFile for the dir
+      AddDirectoryEntriesToTestList(dirFile, ".html");
+    }
+  }
+}
+
+function CompareFilesInDir(inBaseDir, inBaseExtension, inVerifyDir, inVerifyExtension)
+{
+  var comapareFiles = DirectoryEntriesToArray(inBaseDir, inBaseExtension);
+
+  for (var i = 0; i < comapareFiles.length; i ++)
+  {
+    var curFilename = comapareFiles[i];
+    var testFileBasename = curFilename.replace(inBaseExtension, "");
+    CompareFrameDumps(testFileBasename, inBaseDir, inBaseExtension, inVerifyDir, inVerifyExtension);
+  }
+}
+
+function GetTestType()
+{
+  if (document.testForm.doWhat[0].checked)
+    return kTestTypeBaseline;
+
+  if (document.testForm.doWhat[1].checked)
+    return kTestTypeVerify;
+  
+  if (document.testForm.doWhat[2].checked)
+    return kTestTypeVerifyAndCompare;
+  
+  if (document.testForm.doWhat[3].checked)
+    return kTestTypeCompare;
+
+  return 0;
+}
+
+function RunTests()
+{
+  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+
+  ClearOutput();
+  SaveFormToPrefs();
+  
+  var testSourceType;
+  if (document.testForm.testType[0].checked)
+    testSourceType = kTestSourceSingleFile;
+  else
+    testSourceType = kTestSourceDirList;
+  
+  gTestType = GetTestType();
+  
+  gBaselineFileExtension = document.testForm.baselineFileExtension.value;
+  gVerifyFileExtension   = document.testForm.verifyFileExtension.value;
+
+  if (gTestType == kTestTypeCompare)
+  {
+    // to compare, we'll just run through all the files in the
+    // baseline and verify dirs, and compare those that exist in
+    // both.
+    CompareFilesInDir(gBaselineOutputDir, gBaselineFileExtension, gVerifyOutputDir, gVerifyFileExtension);
+  }
+  else
+  {
+    BuildTestURLsList(testSourceType);
+  
+    gTestWindow = window.open("about:blank", "Test window",
+          "width=800,height=600,status=yes,toolbars=no");
+    
+    // start the first load
+    var testURL = gTestURLs[0];
+    gTestURLsIndex = 1;
+    LoadTestURL(gTestWindow, testURL);
+  }
+
+}
+
+