### Question:
Request extends WadlElement { @Override public String toString() { final StringBuilder sb = new StringBuilder(); sb.append("{"); sb.append("params").append(" : ").append(params); sb.append(", "); sb.append("representations").append(" : ").append(representations); sb.append(", "); sb.append("doc").append(" : ").append(getDocumentation()); sb.append("}"); return sb.toString(); } Request(final List<Documentation> doc, final List<Param> params, final List<Representation> representations); List<Param> getParams(); List<Representation> getRepresentations(); @Override String toString();  }### Answer:
@Test public void testToString() { assertTrue(!"".equals(request.toString())); }