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
51
52
53
54
55
56
57
58
59
60
61
62
63
|
(* Test the Com component *)
let test_ix c =
print_string "Testing IX interface..."; print_newline();
print_string "Calling f 10"; print_newline();
c#f 10
let test_iy c =
print_string "Testing IY interface..."; print_newline();
print_string "Calling g 2"; print_newline();
let n = c#g 2 in
print_string "Result is "; print_int n; print_newline();
print_string "Calling h"; print_newline();
let n = c#h in
print_string "Result is "; print_string (if n then "true" else "false");
print_newline();
print_string "Calling k"; print_newline();
let n = c#k in
print_string "Result is "; print_string n; print_newline()
class my_ix =
object
method f x =
print_string "my_ix: f "; print_int x; print_newline()
end
class my_iy =
object
method g x =
print_string "my_iy: g "; print_int x; print_newline();
let res = x / 2 in
print_string "my_iy: g returns "; print_int res; print_newline();
res
method h =
print_string "my_iy: h returns true"; print_newline(); true
method k =
print_string "my_iy: k returns `hello'"; print_newline(); "hello"
end
let make_test() =
let c = Component.create_instance() in
begin try
test_ix (Component.use_iX (Com.query_interface c Component.iid_iX))
with Com.Error(_, _, s) ->
print_string "Lookup of IX interface failed: ";
print_string s; print_newline()
end;
begin try
test_iy (Component.use_iY (Com.query_interface c Component.iid_iY))
with Com.Error(_, _, s) ->
print_string "Lookup of IY interface failed: ";
print_string s; print_newline()
end;
let cx = Component.make_iX (new my_ix)
and cy = Component.make_iY (new my_iy) in
Component.test_ix cx;
Component.test_iy cy;
Component.test_component(Com.iUnknown_of(Com.combine cx cy))
let _ =
make_test();
Gc.full_major()
|
