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{%norun}
{%fail}
program tw20721c;
{$mode delphi}
{$apptype console}
type
TFrame = class
type
TNested = class
procedure ProcN;
end;
var
fField: integer;
FNested: TNested;
procedure ProcF;
constructor Create;
destructor Destroy; override;
property Field: integer read fField write fField;
end;
var
Frame: TFrame;
procedure TFrame.TNested.ProcN;
begin
Field := 1;
end;
procedure TFrame.ProcF;
begin
WriteLn(Self.ClassName);
WriteLn(NativeInt(Self));
WriteLn(fField);
end;
constructor TFrame.Create;
begin
inherited;
fField := 23;
FNested := TNested.Create;
end;
destructor TFrame.Destroy;
begin
FNested.Free;
end;
begin
Frame := TFrame.Create;
try
Frame.ProcF; { results:
TFrame
<address of Frame variable>
23
}
Frame.FNested.ProcN; { results:
TFrame.TNested
<address of field Frame.FNested>
<unpredictable: garbage or AV>
}
finally
Frame.Free
end;
end.
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