diff -Naur PHPUnit.old/Assert.php PHPUnit/Assert.php
--- PHPUnit.old/Assert.php	Wed Oct 16 11:17:37 2002
+++ PHPUnit/Assert.php	Sat Oct 19 16:02:35 2002
@@ -33,61 +33,45 @@
     * @access public
     */
     function assertEquals($expected, $actual, $message = '', $delta = 0) {
-        if ((is_array($actual)  && is_array($expected)) ||
-            (is_object($actual) && is_object($expected))) {
-            if (is_array($actual) && is_array($expected)) {
-                ksort($actual);
-                ksort($expected);
-            }
 
-            $actual   = serialize($actual);
-            $expected = serialize($expected);
+        $default = null;
+        $equiv = $this->_checkEquivalence($expected, $actual, $default, $delta);
 
-            if (empty($message)) {
-                $message = sprintf(
-                  'expected %s, actual %s',
-
-                  $expected,
-                  $actual
-                );
-            }
+        if (empty($message))
+        {
+            $message = &$default;
+        }
 
-            if (serialize($actual) != serialize($expected)) {
-                return $this->fail($message);
-            }
+        if ($equiv)
+        {
+            return $this->pass();
         }
 
-        elseif (is_numeric($actual) && is_numeric($expected)) {
-            if (empty($message)) {
-                $_delta = ($delta != 0) ? ('+/- ' . $delta) : '';
+        return $this->fail($message);
+    }
 
-                $message = sprintf(
-                  'expected %s%s, actual %s',
+    /**
+    * Asserts that two variables are not equal.
+    *
+    * @param  mixed
+    * @param  mixed
+    * @param  string
+    * @param  mixed
+    * @access public
+    */
+    function assertNotEquals($expected, $actual, $message = '', $delta = 0) {
 
-                  $expected,
-                  $_delta,
-                  $actual
-                );
-            }
+        $default = null;
+        $equiv = $this->_checkEquivalence($expected, $actual, $default, $delta);
 
-            if (!($actual >= ($expected - $delta) && $actual <= ($expected + $delta))) {
-                return $this->fail($message);
-            }
+        if (empty($message))
+        {
+            $message = &$default;
         }
 
-        else {
-            if (empty($message)) {
-                $message = sprintf(
-                  'expected %s, actual %s',
-
-                  $expected,
-                  $actual
-                );
-            }
-
-            if ($actual != $expected) {
-                return $this->fail($message);
-            }
+        if ($equiv)
+        {
+            return $this->fail($message);
         }
 
         return $this->pass();
@@ -253,5 +237,57 @@
     * @abstract
     */
     function pass() { /* abstract */ }
+
+    /**
+    * Checks to see if two variables are equivalent.
+    *
+    * @param  mixed
+    * @param  mixed
+    * @param  mixed
+    * @return bool
+    * @access private
+    */
+    function _checkEquivalence($expected, $actual, &$message, $delta) {
+        if ((is_array($actual)  && is_array($expected)) ||
+            (is_object($actual) && is_object($expected))) {
+            if (is_array($actual) && is_array($expected)) {
+                ksort($actual);
+                ksort($expected);
+            }
+
+            $actual   = serialize($actual);
+            $expected = serialize($expected);
+
+            $message = sprintf('expected %s, actual %s',
+                $expected, $actual);
+
+            // Why do we have to re-serialize these?
+            if (serialize($actual) != serialize($expected)) {
+                return false;
+            }
+        }
+
+        elseif (is_numeric($actual) && is_numeric($expected)) {
+            $_delta = ($delta != 0) ? ('+/- ' . $delta) : '';
+            $message = sprintf('expected %s%s, actual %s',
+                $expected, $_delta, $actual);
+
+            if (!($actual >= ($expected - $delta)
+                    && $actual <= ($expected + $delta))) {
+                return false;
+            }
+        }
+
+        else {
+            $message = sprintf('expected %s, actual %s',
+                $expected, $actual);
+
+            if ($actual != $expected) {
+                return false;
+            }
+        }
+
+        return true;
+    }
 }
 ?>