ant/proposal/sandbox/dotnet/build.xml

<project default="compile">

  <target name="setup">
    <property name="build" value="build"/>
    <property name="build.classes" value="${build}/classes"/>
    <property name="build.testclasses" value="${build}/test-classes"/>
    <property name="build.lib" value="${build}/lib"/>
    <property name="jarname" value="${build.lib}/dotnet.jar"/>
    <mkdir dir="${build.classes}"/>
    <mkdir dir="${build.testclasses}"/>
    <mkdir dir="${build.lib}"/>
  </target>

  <target name="compile" depends="setup">
    <javac 
      srcdir="src/main"
      destdir="${build.classes}"
      debug="true"
      />
  </target>

  <target name="antlib" depends="compile">
    <copy todir="${build.classes}">
      <fileset dir="src/main" includes="**/antlib.xml"/>
    </copy>
    <jar 
      destfile="${jarname}"
      basedir="${build.classes}"
      />
  </target>

  <target name="setup-for-tests" depends="setup">
    <ant 
      antfile="../../../build.xml" 
      target="test-jar" 
      inheritall="false"
      />
  </target>

  <target name="compile-tests" depends="setup-for-tests, antlib">
    <javac 
      srcdir="src/testcases"
      destdir="${build.testclasses}"
      debug="true"
      >
      <classpath>
        <pathelement location="${jarname}"/>
        <pathelement location="../../../build/lib/ant-testutil.jar"/>
      </classpath>
    </javac>
  </target>

  <target name="test" depends="compile-tests">
    <junit
      printsummary="false"
      haltonfailure="false"
      failureproperty="tests.failed"
      >
      <classpath>
        <pathelement location="${jarname}"/>
        <pathelement location="../../../build/lib/ant-testutil.jar"/>
        <pathelement location="${build.testclasses}"/>
      </classpath>

      <batchtest>
        <fileset dir="src/testcases"/>
      </batchtest>

      <formatter type="plain" usefile="false"/>
    </junit>

    <fail if="tests.failed">At least one test has failed.</fail>
  </target>
</project>