diff --git a/src/etc/testcases/taskdefs/optional/depend/depend.xml b/src/etc/testcases/taskdefs/optional/depend/depend.xml
index ed27bf9dd..955c5f966 100644
--- a/src/etc/testcases/taskdefs/optional/depend/depend.xml
+++ b/src/etc/testcases/taskdefs/optional/depend/depend.xml
@@ -7,6 +7,7 @@
   <property name="src4.dir" value="src4"/>
   
   <property name="tempsrc.dir" value="working"/>
+  <property name="cache.dir" value="working"/>
   <property name="classes.dir" value="classes"/>
   <target name="help">
     <echo>This buildfile is used as part of Ant's test suite.</echo>
@@ -129,4 +130,11 @@
            
     <fileset id="result" dir="${classes.dir}"/>
   </target>
+  
+  <target name="testcache" depends="src1setup, compile">
+    <depend cache="${cache.dir}" srcdir="${tempsrc.dir}" 
+            destdir="${classes.dir}" closure="yes"/>
+    <depend cache="${cache.dir}" srcdir="${tempsrc.dir}" 
+            destdir="${classes.dir}" closure="yes"/>
+  </target>
 </project>
diff --git a/src/testcases/org/apache/tools/ant/taskdefs/optional/depend/DependTest.java b/src/testcases/org/apache/tools/ant/taskdefs/optional/depend/DependTest.java
index e314aa1ab..c9cc1ed9f 100644
--- a/src/testcases/org/apache/tools/ant/taskdefs/optional/depend/DependTest.java
+++ b/src/testcases/org/apache/tools/ant/taskdefs/optional/depend/DependTest.java
@@ -151,6 +151,12 @@ public class DependTest extends BuildFileTest {
             "No source specified", "srcdir attribute must be non-empty");
     }
 
+    /**
+     * Read the result fileset into a Hashtable
+     * 
+     * @return a Hashtable containing the names of the files in the result 
+     * fileset
+     */
     private Hashtable getResultFiles() {
         FileSet resultFileSet = (FileSet)project.getReference(RESULT_FILESET);
         DirectoryScanner scanner = resultFileSet.getDirectoryScanner(project);
@@ -173,4 +179,12 @@ public class DependTest extends BuildFileTest {
         assertEquals("Depend did not leave correct number of files", 2, 
             getResultFiles().size());
     }
+
+    /**
+     * Test the operation of the cache
+     */
+    public void testCache() {
+        executeTarget("testcache");
+    }
+
 }