* check static with objects without VMTs

This commit is contained in:
pierre 2003-01-20 15:49:57 +00:00
parent 9614990e3d
commit d20b8fef95

147
tests/test/cg/tobjsiz2.pp Normal file
View File

@ -0,0 +1,147 @@
{ Variation without virtual classes : no VMT }
{ here sizeof directly returns a constant value }
{$static on}
type
pbaseclass = ^tbaseclass;
pderivedclass = ^tderivedclass;
tbaseclass = object
x : longint;
{constructor init;}
function getsize : longint; static;
function getsize2 : longint;
procedure check_size; {virtual;}
procedure static_check_size; static;
procedure check_normal;
procedure check_static; static;
{procedure check_virtual; virtual;}
{destructor done; virtual;}
end;
tderivedclass = object(tbaseclass)
y : longint;
procedure check_size; {virtual;}
end;
const
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;
{constructor tbaseclass.init;
begin
end;
destructor tbaseclass.done;
begin
end; }
function tbaseclass.getsize : longint;
begin
getsize:=sizeof(self);
end;
function tbaseclass.getsize2 : longint;
begin
getsize2:=sizeof(self);
end;
procedure tbaseclass.check_size;
begin
if sizeof(self)<>getsize then
begin
Writeln('Compiler creates garbage');
has_error:=true;
end;
if sizeof(self)<>getsize2 then
begin
Writeln('Compiler creates garbage');
has_error:=true;
end;
end;
procedure tbaseclass.static_check_size;
begin
if sizeof(self)<>getsize then
begin
Writeln('Compiler creates garbage');
has_error:=true;
end;
end;
procedure tbaseclass.check_normal;
begin
check_size;
static_check_size;
end;
procedure tbaseclass.check_static;
begin
{check_size;}
static_check_size;
end;
{procedure tbaseclass.check_virtual;
begin
check_size;
static_check_size;
end;}
procedure tderivedclass.check_size;
begin
Writeln('Calling tderived check_size method');
inherited check_size;
end;
var
cb : tbaseclass;
cd : tderivedclass;
c1 : pbaseclass;
begin
{cb.init;
cd.init;}
new(c1);
basesize:=sizeof(cb);
Writeln('Sizeof(cb)=',basesize);
if basesize<>expected_size_for_tbaseclass then
Writeln('not the expected size : ',expected_size_for_tbaseclass);
derivedsize:=sizeof(cd);
Writeln('Sizeof(ct)=',derivedsize);
if derivedsize<>expected_size_for_tderivedclass then
Writeln('not the expected size : ',expected_size_for_tderivedclass);
cb.check_size;
cd.check_size;
c1^.check_size;
cb.static_check_size;
cd.static_check_size;
c1^.static_check_size;
tbaseclass.static_check_size;
tderivedclass.static_check_size;
tbaseclass.check_static;
tderivedclass.check_static;
cb.check_normal;
cb.check_static;
cd.check_normal;
cd.check_static;
if has_error then
begin
Writeln('Error with object methods');
halt(1);
end;
end.