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program tmoperator2;
{$MODE DELPHI}
type
{ TFoo }
PFoo = ^TFoo;
TFoo = record
private
class operator Initialize(var aFoo: TFoo);
class operator Finalize(var aFoo: TFoo);
public
F: Integer;
S: string;
end;
{ TFoo }
class operator TFoo.Initialize(var aFoo: TFoo);
begin
WriteLn;
WriteLn('TFoo.Initialize');
if aFoo.S <> '' then
Halt(1);
aFoo.F := 1;
aFoo.S := 'A';
end;
class operator TFoo.Finalize(var aFoo: TFoo);
begin
if aFoo.F <> 2 then
Halt(2);
if aFoo.S <> 'B' then
Halt(3);
aFoo.F := 3;
WriteLn('TFoo.Finalize');
WriteLn;
end;
{ TBar }
type
TBar = class
private
F: TFoo;
end;
procedure Foo();
var
F: TFoo;
begin
if F.F <> 1 then
Halt(4);
if F.S <> 'A' then
Halt(5);
F.F := 2;
F.S := 'B';
end;
var
F: TFoo;
B: TBar;
PF: PFoo;
begin
WriteLn('=== Global variable [begin] ===');
WriteLn;
if F.F <> 1 then
Halt(6);
if F.S <> 'A' then
Halt(7);
WriteLn('=== Local variable ===');
Foo();
WriteLn('=== Field in class ===');
B := TBar.Create();
if B.F.F <> 1 then
Halt(8);
if B.F.S <> 'A' then
Halt(9);
B.F.F := 2;
B.F.S := 'B';
B.Free;
WriteLn('=== New and Dispose ===');
New(PF);
if PF^.F <> 1 then
Halt(10);
if PF^.S <> 'A' then
Halt(11);
PF^.F := 2;
PF^.S := 'B';
Dispose(PF);
WriteLn('=== InitializeArray and FinalizeArray ===');
GetMem(PF, SizeOf(TFoo));
InitializeArray(PF, TypeInfo(TFoo), 1);
if PF^.F <> 1 then
Halt(12);
if PF^.S <> 'A' then
Halt(13);
PF^.F := 2;
PF^.S := 'B';
FinalizeArray(PF, TypeInfo(TFoo), 1);
if PF^.F <> 3 then
Halt(14);
FreeMem(PF);
WriteLn('=== Initialize and Finalize ===');
GetMem(PF, SizeOf(TFoo));
Initialize(PF^);
if PF^.F <> 1 then
Halt(15);
if PF^.S <> 'A' then
Halt(16);
PF^.F := 2;
PF^.S := 'B';
Finalize(PF^);
if PF^.F <> 3 then
Halt(17);
FreeMem(PF);
WriteLn('=== Global variable [end] ===');
F.F := 2;
F.S := 'B';
end.
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