public virtual void testGetUsage()
{
JDFDoc d = new JDFDoc(ElementName.JDF);
JDFNode n = d.getJDFRoot();
JDFResourceLinkPool rlp = n.appendResourceLinkPool();
JDFResourceLink rl = (JDFResourceLink)rlp.appendElement("FooLink");
Assert.IsNull(rl.getUsage());
}