1 files changed, 46 insertions, 0 deletions
diff --git a/lib/asn1/examples/test_driver.erl b/lib/asn1/examples/test_driver.erl
new file mode 100644
index 0000000000..2bbdce4934
--- /dev/null
+++ b/lib/asn1/examples/test_driver.erl
@@ -0,0 +1,46 @@
+%%%-------------------------------------------------------------------
+%%% File    : test_driver.erl
+%%% Author  : Bertil Karlsson <bertil@finrod>
+%%% Description : 
+%%%
+%%% Created : 27 Mar 2002 by Bertil Karlsson <bertil@finrod>
+%%%-------------------------------------------------------------------
+-module(test_driver).
+
+-export([start/0, start/1, init/1, complete/1,complete/0]).
+
+start() ->
+    start("asn1_erl_drv").
+
+start(SharedLib) ->
+    case erl_ddll:load_driver("../priv/bin/", SharedLib) of
+	ok -> ok;
+	{error, already_loaded} -> ok;
+	Error -> exit({error, could_not_load_driver,Error})
+    end,
+    spawn(?MODULE, init, [SharedLib]).
+
+init(SharedLib) ->
+    Port = open_port({spawn, SharedLib}, []),
+    register(drv_complete,Port),
+    register(compl_pid,self()),
+    receive
+	stop ->
+	    exit(goodbye)
+    end.
+
+complete(Data) ->
+    Ret=port_control(drv_complete,1,Data),
+    io:format("complete result:~n~p~n",[Ret]).
+
+complete() ->
+    %% The result should be <<64,192,17,17,24,96>>
+    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>>],
+    complete(Data1),
+    io:format("should have been:~n<<64,192,17,17,24,96>>~n"),
+    Data2 = [40,8,8,1,0,1,0,1,0,1,0,0,2,1,45,8,1,170,45,7,1,170],
+    complete(Data2),
+    io:format("should have been:~n<<170,0,213,85>>~n"),
+    Data3 = [40,8,8,1,0,1,0,1,0,1,0,0,2,1,45,8,1,170,45,8,1,170],
+    complete(Data3),
+    io:format("should have been:~n<<170,0,213,85,0>>~n").