diff --git a/mozilla/java/dom/tests/src/api/AttrImpl_setValue_String_0.java b/mozilla/java/dom/tests/src/api/AttrImpl_setValue_String_0.java
index ddffed8e616..c29cbc4bbb6 100755
--- a/mozilla/java/dom/tests/src/api/AttrImpl_setValue_String_0.java
+++ b/mozilla/java/dom/tests/src/api/AttrImpl_setValue_String_0.java
@@ -86,8 +86,8 @@ public class AttrImpl_setValue_String_0 extends BWBaseTest implements Execution
              } else {
                 a.setValue(null);
 		String str = a.getValue();
-		if (str != null) {
-                  TestLoader.logErrPrint("Attr 'getValue()' is not NULL ...");
+		if (str == null) {
+                  TestLoader.logErrPrint("Attr 'setValue()' is NULL ...");
                   return BWBaseTest.FAILED;
                 }
              }
diff --git a/mozilla/java/dom/tests/src/api/CharacterDataImpl_appendData_String_0.java b/mozilla/java/dom/tests/src/api/CharacterDataImpl_appendData_String_0.java
index c8eb0d21bee..cfec4c1c2c9 100755
--- a/mozilla/java/dom/tests/src/api/CharacterDataImpl_appendData_String_0.java
+++ b/mozilla/java/dom/tests/src/api/CharacterDataImpl_appendData_String_0.java
@@ -87,12 +87,24 @@ public class CharacterDataImpl_appendData_String_0 extends BWBaseTest implements
                 return BWBaseTest.FAILED;
              } else {
                 String newstr=null;
+                String prevstr = tn.getData();
                 tn.appendData(newstr);
                 String getstr = tn.getData();
-		if (getstr == null) {
+		if (getstr == null){
                   TestLoader.logErrPrint("charcterData cannot be set to null....");
                   return BWBaseTest.FAILED;
                 }
+		if (prevstr != null) 
+                {
+                  if (prevstr.compareTo(getstr) != 0)
+                  {
+                    TestLoader.logErrPrint("characterData has changed from original value");
+                    return BWBaseTest.FAILED;
+                  }
+                } else {
+                  TestLoader.logErrPrint("charcterData has changed to other than null...");
+                  return BWBaseTest.FAILED;
+                }
              }
         } catch (DOMException e) {
              TestLoader.logErrPrint("Caught DOMException " );
diff --git a/mozilla/java/dom/tests/src/api/CharacterDataImpl_setData_String_0.java b/mozilla/java/dom/tests/src/api/CharacterDataImpl_setData_String_0.java
index 06fe5707a36..1eaf17d29ad 100755
--- a/mozilla/java/dom/tests/src/api/CharacterDataImpl_setData_String_0.java
+++ b/mozilla/java/dom/tests/src/api/CharacterDataImpl_setData_String_0.java
@@ -87,12 +87,18 @@ public class CharacterDataImpl_setData_String_0 extends BWBaseTest implements Ex
                 return BWBaseTest.FAILED;
              } else {
                 String newstr=null;
+                String prevstr = tn.getData();
                 tn.setData(newstr);
                 String getstr = tn.getData();
 		if (getstr == null) {
                   TestLoader.logErrPrint("charcterData cannot be set to null....");
                   return BWBaseTest.FAILED;
                 }
+		if (prevstr.compareTo(getstr) != 0) {
+                  TestLoader.logErrPrint("charcterData cannot be set to null....");
+                  return BWBaseTest.FAILED;
+                }
+                
              }
         } catch (DOMException e) {
              TestLoader.logErrPrint("Caught DOMException " );
diff --git a/mozilla/java/dom/tests/src/api/DOMImplementationImpl_hasFeature_String_String_1.java b/mozilla/java/dom/tests/src/api/DOMImplementationImpl_hasFeature_String_String_1.java
index 9684257d93f..a46ed54d176 100755
--- a/mozilla/java/dom/tests/src/api/DOMImplementationImpl_hasFeature_String_String_1.java
+++ b/mozilla/java/dom/tests/src/api/DOMImplementationImpl_hasFeature_String_String_1.java
@@ -83,7 +83,7 @@ public class DOMImplementationImpl_hasFeature_String_String_1 extends BWBaseTest
                 TestLoader.logErrPrint("Document DomImplementation is  NULL..");
                 return BWBaseTest.FAILED;
              } else {
-               if (di.hasFeature("HTML", null))
+               if (!di.hasFeature("HTML", null))
                {
                   System.out.println("DomImplementation 'hasFeature(HTML, null)'  Failed..");
                   return BWBaseTest.FAILED;
diff --git a/mozilla/java/dom/tests/src/api/NodeImpl_insertBefore_Node_Node_2.java b/mozilla/java/dom/tests/src/api/NodeImpl_insertBefore_Node_Node_2.java
index c38f2320a76..213b6aec6fa 100755
--- a/mozilla/java/dom/tests/src/api/NodeImpl_insertBefore_Node_Node_2.java
+++ b/mozilla/java/dom/tests/src/api/NodeImpl_insertBefore_Node_Node_2.java
@@ -105,9 +105,9 @@ public class NodeImpl_insertBefore_Node_Node_2 extends BWBaseTest implements Exe
 	    if (n.getNodeName().compareTo(nodename) == 0)
 	    {
                 Node iNode = n.insertBefore(newChild, null);
-		if (iNode != null)
+		if (iNode == null)
                 {
-                   TestLoader.logErrPrint("A Node cannot be inserted to any NULL node...");
+                   TestLoader.logErrPrint("Node should be inserted at end of all chidren...");
                    return BWBaseTest.FAILED;
                 }
             }