1%%%-------------------------------------------------------------------
2%%% File    : test_driver.erl
3%%% Author  : Bertil Karlsson <bertil@finrod>
4%%% Description :
5%%%
6%%% Created : 27 Mar 2002 by Bertil Karlsson <bertil@finrod>
7%%%-------------------------------------------------------------------
8-module(test_driver).
9
10-export([start/0, start/1, init/1, complete/1,complete/0]).
11
12start() ->
13    start("asn1_erl_drv").
14
15start(SharedLib) ->
16    case erl_ddll:load_driver("../priv/bin/", SharedLib) of
17	ok -> ok;
18	{error, already_loaded} -> ok;
19	Error -> exit({error, could_not_load_driver,Error})
20    end,
21    spawn(?MODULE, init, [SharedLib]).
22
23init(SharedLib) ->
24    Port = open_port({spawn, SharedLib}, []),
25    register(drv_complete,Port),
26    register(compl_pid,self()),
27    receive
28	stop ->
29	    exit(goodbye)
30    end.
31
32complete(Data) ->
33    Ret=port_control(drv_complete,1,Data),
34    io:format("complete result:~n~p~n",[Ret]).
35
36complete() ->
37    %% The result should be <<64,192,17,17,24,96>>
38    Data1 = [<<0:8>>,<<1:8>>,<<2:8>>,<<10:8,2:8,3:8>>,<<20:8,2:8,17:8,17:8>>,<<30:8,2:8,1:8,24:8>>,<<31:8,2:8,0:8,1:8,24:8>>,<<2:8>>],
39    complete(Data1),
40    io:format("should have been:~n<<64,192,17,17,24,96>>~n"),
41    Data2 = [40,8,8,1,0,1,0,1,0,1,0,0,2,1,45,8,1,170,45,7,1,170],
42    complete(Data2),
43    io:format("should have been:~n<<170,0,213,85>>~n"),
44    Data3 = [40,8,8,1,0,1,0,1,0,1,0,0,2,1,45,8,1,170,45,8,1,170],
45    complete(Data3),
46    io:format("should have been:~n<<170,0,213,85,0>>~n").
47