ANT_17_BRANCH/src/etc/testcases/taskdefs/nice.xml

<?xml version="1.0"?>
<project name="nice" basedir=".">

<description>
Test nicing. To make the test more complex we may be running in a nice mode
to start with, and we want to restore that value at the end. So every test
that succeeds must restore the saved value.
</description>
  <target name="noop">
    <nice/>
  </target>
  
  <target name="current">
    <nice currentPriority="nice.now"/>
    <fail unless="nice.now"/>
  </target>

  <target name="faster">
    <nice newPriority="8" currentPriority="nice.old"/>
    <nice currentPriority="nice.now"/>
    <condition property="test.succeeded">
      <equals arg1="${nice.now}" arg2="8" /> 
    </condition>
    <nice newPriority="${nice.old}"/>
    <fail unless="test.succeeded"/>
  </target>
  
  <target name="slower">
    <nice newPriority="3" currentPriority="nice.old"/>
    <nice currentPriority="nice.now"/>
    <condition property="test.succeeded">
      <equals arg1="${nice.now}" arg2="3" /> 
    </condition>
    <nice newPriority="${nice.old}"/>
    <fail unless="test.succeeded"/>
  </target>
  
  <target name="too_slow">
    <nice currentPriority="nice.old"/>
    <nice newPriority="0"/>
    <nice newPriority="${nice.old}"/>
  </target>

  <target name="too_fast">
    <nice currentPriority="nice.old"/>
    <nice newPriority="20"/>
    <nice newPriority="${nice.old}"/>
  </target>
  
</project>