final String propName = "A";
Filter result = CQL.toFilter(propName + " = strConcat( strConcat(QS, strConcat('/', RT)), strConcat(strConcat('/', NUMB), strConcat('/', BSUFF)) )");
Assert.assertTrue( result instanceof PropertyIsEqualTo);
PropertyIsEqualTo eq = (PropertyIsEqualTo) result;
Expression expr1 = eq.getExpression1();
Assert.assertTrue(expr1 instanceof PropertyName);
PropertyName prop = (PropertyName)expr1;
Assert.assertEquals(propName, prop.getPropertyName());
Expression expr2 = eq.getExpression2();
assertFunctionCompositionComplex(expr2);
}