src/etc/testcases/taskdefs/rename.xml

<?xml version="1.0"?>

<project name="xxx-test" basedir="." default="test1">

  <target name="test1">
    <rename/>
  </target>

  <target name="test2">
    <rename src=""/>
  </target>

  <target name="test3">
    <rename dest=""/>
  </target>

  <target name="test4">
    <rename src="testdir" 
            dest="testdir"/>
  </target>

  <target name="test5">
    <rename src="template.xml" 
            dest="."/>
  </target>

  <target name="test6">
    <rename src="template.xml" 
            dest="template.tmp"/>
    <rename src="template.tmp" 
            dest="template.xml"/>
  </target>

</project>