@Test
	public void testBinaryArithmeticExpression() {
		final String query = "select o.basic + o.basic1 as b from Entity o";
		final SelectStatement selectStatement = interpret( query );

		final QuerySpec querySpec = selectStatement.getQuerySpec();
		final Selection selection = querySpec.getSelectClause().getSelections().get( 0 );
		BinaryArithmeticExpression expression = (BinaryArithmeticExpression) selection.getExpression();	
		
		AttributeReferenceExpression rightHandOperand = (AttributeReferenceExpression) expression.getRightHandOperand();
				assertThat( rightHandOperand.getAttributeDescriptor().getName(), is( "basic1" ) );
	}