### Question:
Resources extends WadlElement { @Override public String toString() { final StringBuilder sb = new StringBuilder(); sb.append("{"); sb.append("base").append(" : ").append(base); sb.append(", "); sb.append("resources").append(" : ").append(resources); sb.append(", "); sb.append("doc").append(" : ").append(getDocumentation()); sb.append("}"); return sb.toString(); } Resources(final String base, final List<Documentation> doc, final List<Resource> resources); String getBase(); List<Resource> getResources(); @Override String toString();  }### Answer:
@Test public void testToString() { assertTrue(!"".equals(resources.toString())); }