ANT_17_BRANCH/src/tests/antunit/types/filterset-test.xml

<project xmlns:au="antlib:org.apache.ant.antunit">

  <property name="br" value="${line.separator}" />

  <target name="testRecursionRegression">
    <copy todir="${basedir}">
      <string value="@a@${br}@b@${br}@c@${br}" />
      <mergemapper to="filterset-output.txt" />
      <filterset>
        <filter token="a" value="aaa" />
        <filter token="b" value="bbb" />
        <filter token="c" value="@a@:@b@" />
      </filterset>
    </copy>

    <au:assertTrue>
      <resourcesmatch astext="true">
        <file file="filterset-output.txt" />
        <string value="aaa${br}bbb${br}aaa:bbb${br}" />
      </resourcesmatch>
    </au:assertTrue>
  </target>

  <target name="tearDown">
    <delete file="filterset-output.txt" />
  </target>

</project>