ANT_17_BRANCH/src/tests/antunit/taskdefs/loadresource-test.xml

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

  <import file="../antunit-base.xml" />

  <target name="test-resourceString">
    <loadresource property="p">
      <string value="one"/>
    </loadresource >
    <au:assertPropertyEquals name="p" value="one"/>
  </target>

  <target name="test-resourceSizeZero" description="Bug 42319">
    <loadresource property="p">
      <string value=""/>
    </loadresource >
    <au:assertTrue>
      <not>
        <isset property="p"/>
      </not>
    </au:assertTrue>
    <au:assertLogContains text="Do not set property p as its length is 0."/>
  </target>

</project>