t_id
168
t_adddate
2003/10/03
t_result
0
t_knownrunerror
0
tr_id | run | tr_ok | tr_skip | tr_result |
---|---|---|---|---|
481032599 | 940991 | True | False | Successfully run |
Record count: 1
{$mode objfpc} type tbaseclass = class x : longint; function get_type : pointer; function get_type2 : pointer;virtual; procedure check_type; class procedure virtual_class_method;virtual; end; tderivedclass = class(tbaseclass) y : longint; function get_type2 : pointer;override; class procedure virtual_class_method;override; end; const tbasecalled : boolean = false; tderivedcalled : boolean = false; has_error : boolean = false; expected_size_for_tbaseclass = sizeof(pointer) + sizeof(longint); expected_size_for_tderivedclass = sizeof(pointer) + 2*sizeof(longint); var basesize : longint; derivedsize : longint; function tbaseclass.get_type : pointer; begin get_type:=typeof(self); end; function tbaseclass.get_type2 : pointer; begin get_type2:=typeof(self); end; procedure tbaseclass.check_type; begin if typeof(self)<>get_type then begin Writeln('Compiler creates garbage'); has_error:=true; end; if typeof(self)<>get_type2 then begin Writeln('Compiler creates garbage'); has_error:=true; end; if get_type<>get_type2 then begin Writeln('get_type and get_type2 return different pointers'); has_error:=true; end; end; procedure tbaseclass.virtual_class_method; begin Writeln('Calling tbase class class method'); tbasecalled:=true; if sizeof(self)<>basesize then begin has_error:=true; Writeln('Error with sizeof'); end; end; function tderivedclass.get_type2 : pointer; begin get_type2:=typeof(self); end; procedure tderivedclass.virtual_class_method; begin Writeln('Calling tderived class class method'); tderivedcalled:=true; if sizeof(self)<>derivedsize then begin has_error:=true; Writeln('Error with sizeof'); end; end; procedure reset_booleans; begin tbasecalled:=false; tderivedcalled:=false; end; var c1,cb : tbaseclass; cd : tderivedclass; cc : class of tbaseclass; pb,pd : pointer; begin cb:=tbaseclass.create; cd:=tderivedclass.create; c1:=tbaseclass.create; basesize:=sizeof(cb); Writeln('Sizeof(cb)=',basesize); if basesize<>sizeof(pointer) then Writeln('not the expected size : ',sizeof(pointer)); derivedsize:=sizeof(cd); Writeln('Sizeof(ct)=',derivedsize); if derivedsize<>sizeof(pointer) then Writeln('not the expected size : ',sizeof(pointer)); cb.check_type; cd.check_type; c1.destroy; c1:=tderivedclass.create; c1.virtual_class_method; if not tderivedcalled then has_error:=true; reset_booleans; c1.destroy; cc:=tbaseclass; cc.virtual_class_method; if not tbasecalled then has_error:=true; reset_booleans; cc:=tderivedclass; cc.virtual_class_method; if not tderivedcalled then has_error:=true; reset_booleans; if has_error then begin Writeln('Error with class methods'); halt(1); end; end.