src/tests/antunit/refs-test.xml

<project default="antunit" xmlns:au="antlib:org.apache.ant.antunit"
         xmlns:props="antlib:org.apache.ant.props">
  <target name="setUp">
    <propertyhelper>
      <props:refs />
      <props:refs delimiter="," />
      <props:nested />
    </propertyhelper>
    <path id="cp" path="${java.class.path}" />
  </target>

  <target name="testPath" depends="setUp">
    <whichresource property="control" class="org.apache.tools.ant.Project" classpathref="cp" />
    <whichresource property="test" class="org.apache.tools.ant.Project" classpath="${ref:cp}" />
    <au:assertTrue>
      <equals arg1="${control}" arg2="${test}" />
    </au:assertTrue>
  </target>

  <target name="testDelimiter" depends="setUp">
    <au:assertTrue>
      <equals arg1="${ref:cp}" arg2="${ref,cp}" />
    </au:assertTrue>
  </target>

  <target name="antunit">
    <au:antunit>
      <fileset file="${ant.file}" />
    </au:antunit>
  </target>

</project>