* @param data The data to try out : Array of {arg1, operator, arg2}
* @param valueType The Evaluator.**_TYPE to test
*/
private void runEvaluatorTest(final Object[][] data,
final ValueType valueType) {
final InternalReadAccessor extractor = new MockExtractor();
for ( int i = 0; i < data.length; i++ ) {
final Object[] row = data[i];
boolean isNegated = ((String) row[1]).startsWith( "not " );
String evaluatorStr = isNegated ? ((String) row[1]).substring( 4 ) : (String) row[1];
final Evaluator evaluator = (Evaluator) registry.getEvaluatorDefinition( evaluatorStr ).getEvaluator( valueType,