summaryrefslogtreecommitdiff
path: root/tests/test/tinterface2.pp
blob: 09105c8e2240537bdc221f571293e776316cad95 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
{ %VERSION=1.1 }

{$ifdef fpc}
{$mode objfpc}
{$endif}

type
  ITest = interface(IUnknown)
    procedure DoSomething;
  end;


  TMyClass = class(TInterfacedObject, ITest)
    procedure DoSomething;
  end;

var
   i : longint;

procedure TMyClass.DoSomething;
begin
  inc(i);
end;


procedure DoTest(const ATest: ITest);
begin
  ATest.DoSomething;
end;


procedure DoTest2(ATest: ITest);
begin
  ATest.DoSomething;
end;


var
  c: ITest;
begin
  i:=0;
  c := TMyClass.Create;
  DoTest(c);
  DoTest2(c);
  if i<>2 then
    begin
       writeln('Problem with passing interfaces as parameters');
       halt(1);
    end;
end.