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{ %opt=-gh }
program RefCountBug;
{$ifdef fpc}
//{$mode objfpc}{$H+}
{$mode delphi}
{$endif}
{$ifdef mswindows}
{$apptype console}
{$endif}
uses
Classes,
SysUtils;
type
ITest = interface
function SomeMethod(): ITest;
function GetValue(): AnsiString;
end;
TTest = class(TInterfacedObject, ITest)
private
fValue: AnsiString;
public
constructor Create(Value: AnsiString);
destructor Destroy(); override;
function SomeMethod(): ITest;
function GetValue(): AnsiString;
end;
constructor TTest.Create(Value: AnsiString);
begin
inherited Create();
fValue := Value;
Writeln('TTest.Create('+Value+')');
end;
destructor TTest.Destroy();
begin
Writeln('TTest.Destroy('+fValue+')');
inherited;
end;
function TTest.SomeMethod(): ITest;
begin
if (FRefCount <> 1) then
halt(1);
Writeln('SomeMethod: ' + fValue, ' ', FRefCount);
Result := TTest.Create(fValue + ',MethodCall');
end;
function TTest.GetValue(): AnsiString;
begin
Result := fValue;
end;
var
t: ITest;
begin
HaltOnNotReleased := true;
t := TTest.Create('Create');
Writeln('Result: ' + t.SomeMethod().SomeMethod().GetValue);
end.
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