### Question:
DataType extends NamespaceOwnedElement implements SimpleType { @Override public List<EnumLiteral> getLiterals() { return Collections.emptyList(); } DataType(final Identifier id, final String name);  DataType(final Identifier id, final String name, final boolean isAbstract);  DataType(final Identifier id, final String name, final boolean isAbstract,
            final List<TaggedValue> taggedValues); @Override void accept(final Visitor visitor); @Override List<EnumLiteral> getLiterals(); @Override boolean isAbstract(); @Override boolean isClassType(); @Override boolean isDataType(); @Override boolean isEnumType(); @Override String toString();  }### Answer:
@Test public void testGetLiterals() { List<EnumLiteral> literalList = dataType.getLiterals(); assertNotNull(literalList); assertEquals(0, literalList.size()); }