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diff --git a/lib/asn1/test/testDeepTConstr.erl b/lib/asn1/test/testDeepTConstr.erl
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+++ b/lib/asn1/test/testDeepTConstr.erl
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+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%%
+
+
+-module(testDeepTConstr).
+
+-export([compile/3,main/1]).
+
+-include("test_server.hrl").
+
+compile(Config,Rules,Options) ->
+
+    ?line DataDir = ?config(data_dir,Config),
+    ?line OutDir = ?config(priv_dir,Config),
+    ?line true = code:add_patha(?config(priv_dir,Config)),
+
+    ?line ok = asn1ct:compile(DataDir ++ 
+			      "TConstrChoice",[Rules,{outdir,OutDir}]++Options),
+    ?line ok = asn1ct:compile(DataDir ++
+			      "TConstr",[Rules,{outdir,OutDir}]++Options).
+
+
+
+main(_Erule) ->
+    Val1 = {'FilterItem',
+	    {substrings,
+	     {'FilterItem_substrings',
+	      {2,6},
+	      [{initial,"SE"},
+	       {any,"DK"},
+	       {final,"N"}]}}},
+
+    Val2 = {'FilterItem',
+	    {substrings,
+	     {'FilterItem_substrings',
+	      {2,6},
+	      [{initial,"SE"},
+	       {any,"DK"},
+	       {final,"NO"}]}}},
+
+    ?line {ok,Bytes1} = 
+	asn1_wrapper:encode('TConstrChoice','FilterItem',Val1),
+    
+    ?line {error,Reason} = asn1_wrapper:decode('TConstrChoice','FilterItem',Bytes1),
+    
+    io:format("Reason: ~p~n~n",[Reason]),
+    
+    ?line {ok,Bytes2} = 
+	asn1_wrapper:encode('TConstrChoice','FilterItem',Val2),
+    
+    ?line {ok,Res} = asn1_wrapper:decode('TConstrChoice','FilterItem',Bytes2),
+    
+
+
+    %% test of OTP-4248.
+    ?line {ok,Bytes3} =
+	asn1_wrapper:encode('TConstrChoice','Seq',{'Seq',3,Bytes2}),
+
+    ?line {ok,{'Seq',3,Bytes4}} =
+	asn1_wrapper:decode('TConstrChoice','Seq',Bytes3),
+    
+    ?line {ok,Res} = asn1_wrapper:decode('TConstrChoice','FilterItem',Bytes4),
+    
+    %% test of TConstr
+
+    Seq1Val = {'Seq1',{'Seq1_a',12,{2,4}},{'Seq1_b',13,{'Type-object1',14,true}}},
+    ?line {ok,Bytes5} =
+	asn1_wrapper:encode('TConstr','Seq1',Seq1Val),
+    
+    ?line {ok,Seq1Val} =
+	asn1_wrapper:decode('TConstr','Seq1',Bytes5),
+    
+
+    Seq2Val = {'Seq2',123,{'Seq2_content',{2,6,7},
+			   {first,{'Type-object3_first',false,47}},
+			   false}},
+    
+    ?line {ok,Bytes6} =
+	asn1_wrapper:encode('TConstr','Seq2',Seq2Val),
+
+    ?line {ok,Seq2Val} =
+	asn1_wrapper:decode('TConstr','Seq2',Bytes6),
+
+    InfoVal = {'Info',{'Info_xyz',{1,2}},1234},
+    
+    ?line {ok,Bytes7} =
+	asn1_wrapper:encode('TConstr','Info',InfoVal),
+
+    ?line {ok,InfoVal} =
+	asn1_wrapper:decode('TConstr','Info',Bytes7).