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peter 2005-02-14 19:38:03 +00:00
parent 4dfd8c092f
commit 1a38421abd
1 changed files with 78 additions and 0 deletions
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tests/webtbs/tw3650.pp Normal file
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{ %target=win32 }
{ Source provided for Free Pascal Bug Report 3650 }
{ Submitted by "Sergey" on 2005-02-11 }
{ e-mail: sergey@michint.kiev.ua }
// Title: stdcall and variant/record parameters
// Succeded: dcc32.exe, Delphi6
// Failed: fpc-1.9.6, fpc-1.9.7
{$IFDEF FPC}
{$mode delphi}
{$C+}
{$ELSE}
{$AppType CONSOLE}
uses Variants;
{$ENDIF}
function Test1(guid: TGUID; p1, p2: Pointer): HRESULT; stdcall;
begin
Writeln(Integer(Addr(p1))-Integer(Addr(guid)));
Writeln(Integer(Addr(p2))-Integer(Addr(p1)));
Assert(Integer(Addr(p1))-Integer(Addr(guid)) = 16, 'bug rec_std (?)');
// Fixes: compiler/i386/cpupara.pas:141 when s/8/16/
end;
function Test2(v: VARIANT; p1, p2: Pointer): HRESULT; stdcall;
begin
Writeln(Integer(Addr(p1))-Integer(Addr(v)));
Writeln(Integer(Addr(p2))-Integer(Addr(p1)));
Assert(Integer(Addr(p1))-Integer(Addr(v)) = 16, 'bug var_std (?)');
end;
function Test1c(guid: TGUID; p1, p2: Pointer): HRESULT; cdecl;
begin
Writeln(Integer(Addr(p1))-Integer(Addr(guid)));
Writeln(Integer(Addr(p2))-Integer(Addr(p1)));
Assert(Integer(Addr(p1))-Integer(Addr(guid)) = 16, 'bug rec_c (?)');
end;
function Test2c(v: VARIANT; p1, p2: Pointer): HRESULT; cdecl;
begin
Writeln(Integer(Addr(p1))-Integer(Addr(v)));
Writeln(Integer(Addr(p2))-Integer(Addr(p1)));
Assert(Integer(Addr(p1))-Integer(Addr(v)) = 16, 'bug var_c (?)');
end;
begin
Write('SizeOf(TGUID)=', SizeOf(TGUID));
Writeln(' SizeOf(VARIANT)=', SizeOf(VARIANT));
Test1(IUnknown, nil, nil); {try "s/nil/@Sin/" - you'll get 'Error while linking'}
Test2(Null, nil, nil);
Test1c(IUnknown, nil, nil);
Test2c(Null, nil, nil);
end.
(*
// Fix for 1.9.7: compiler/i386/cpupara.pas:128 in
// function ti386paramanager.push_addr_param(varspez:tvarspez;def : tdef;calloption : tproccalloption) : boolean;
// when
{ Only vs_const, vs_value here }
case def.deftype of
{!} variantdef:
{!} result:=not(calloption in [pocall_stdcall,pocall_cdecl{,pocall_cppdecl???}]);
{!} formaldef :
result:=true;
recorddef :
begin
{ Win32 passes small records on the stack for call by
value }
if (target_info.system=system_i386_win32) and
(calloption in [pocall_stdcall,pocall_cdecl,pocall_cppdecl]) and
(varspez=vs_value) and
(def.size<=8{or 16?}) then
result:=false
else
{!} result:=not(calloption in [pocall_stdcall{!},pocall_cdecl,pocall_cppdecl]) and (def.size>sizeof(aint));
end;
*)