diff --git a/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/checkModeOp.tld.data b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/checkModeOp.tld.data
new file mode 100644
index 0000000..178883e
--- /dev/null
+++ b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/checkModeOp.tld.data
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+
+<!DOCTYPE taglib
+  PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
+  "http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
+
+
+<taglib>
+
+
+  <!-- ========== Tag Library Description Elements ========================= -->
+
+
+  <tlib-version>1.0</tlib-version>
+  <jsp-version>1.2</jsp-version>
+  <short-name>testCheckModeOperation</short-name>
+  <uri>org.eclipse.jst.pagedesigner.tests.testCheckModeOperation</uri>
+  <description>
+   A test tld used for verifying the CheckModeOperation.
+  </description>
+
+  <!-- ========== Tag Descriptions ========================================= -->
+
+
+  <tag>
+    <name>testTagOne</name>
+    <tag-class>com.foo.SomeClassOne</tag-class>
+    <body-content>JSP</body-content>
+    <description>
+       A simple test tag. This test includes design time metadata mapped to
+       this tag to exercise the CheckModeOperation.
+    </description>
+
+    <attribute>
+      <name>notRequiredAttr1</name>
+      <required>false</required>
+      <rtexprvalue>false</rtexprvalue>
+      <description>
+          This attribute is optional.
+      </description>
+    </attribute>
+  </tag>
+
+  <tag>
+    <name>testTagTwo</name>
+    <tag-class>com.foo.SomeClassTwo</tag-class>
+    <body-content>JSP</body-content>
+    <description>
+       A simple test tag. This test includes design time metadata mapped to
+       this tag to exercise the CheckModeOperation.
+    </description>
+
+    <attribute>
+      <name>requiredAttr1</name>
+      <required>true</required>
+      <rtexprvalue>false</rtexprvalue>
+      <description>
+          This attribute is required.
+      </description>
+    </attribute>
+
+    <attribute>
+      <name>requiredAttr2</name>
+      <required>true</required>
+      <rtexprvalue>false</rtexprvalue>
+      <description>
+          This attribute is required.
+      </description>
+    </attribute>
+  </tag>
+
+</taglib>
diff --git a/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/testCheckModeOperation.jsp.data b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/testCheckModeOperation.jsp.data
new file mode 100644
index 0000000..81b4da1
--- /dev/null
+++ b/jsf/tests/org.eclipse.jst.pagedesigner.tests/testdata/checkmodeop/testCheckModeOperation.jsp.data
@@ -0,0 +1,27 @@
+<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
+<%@taglib uri="org.eclipse.jst.pagedesigner.tests.testCheckModeOperation" prefix="cmo"%>
+
+<html>
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+    <title>Test CheckModeOperation</title>
+</head>
+<body>
+    <div id="t1Div">
+        <cmo:testTagOne>
+            <span id="t1ChildSpan">
+                some text
+            </span>
+        </cmo:testTagOne>
+    </div>
+
+    <div id="t2Div">
+        <cmo:testTagTwo requiredAttr1="designId"
+                        requiredAttr2="previewId">
+            <span id="t2ChildSpan">
+                some text
+            </span>
+        </cmo:testTagTwo>
+    </div>
+</body>
+</html>