private void checkFromTuplePojo(TypeInformation<?> typeInformation) {
Assert.assertTrue(typeInformation instanceof PojoTypeInfo<?>);
Assert.assertEquals(4, typeInformation.getTotalFields());
PojoTypeInfo<?> pojoTypeForClass = (PojoTypeInfo<?>) typeInformation;
for(int i = 0; i < pojoTypeForClass.getArity(); i++) {
PojoField field = pojoTypeForClass.getPojoFieldAt(i);
String name = field.field.getName();
if(name.equals("special")) {
Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, field.type);
} else if(name.equals("f0") || name.equals("f1")) {
Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, field.type);