4 files changed, 56 insertions, 3 deletions
diff --git a/lib/asn1/test/asn1_SUITE.erl b/lib/asn1/test/asn1_SUITE.erl
index 888339a4d2..432197eec0 100644
--- a/lib/asn1/test/asn1_SUITE.erl
+++ b/lib/asn1/test/asn1_SUITE.erl
@@ -60,7 +60,8 @@ groups() ->
      {ber, Parallel,
       [ber_choiceinseq,
        % Uses 'SOpttest'
-       ber_optional]},
+       ber_optional,
+       tagdefault_automatic]},
 
      {app_test, [], [{asn1_app_test, all}]},
 
@@ -659,6 +660,19 @@ ber_optional(Config, Rule, Opts) ->
               {'C', asn1_NOVALUE, 111, asn1_NOVALUE}},
     asn1_test_lib:roundtrip('SOpttest', 'S', V).
 
+tagdefault_automatic(Config) ->
+    test(Config, fun tagdefault_automatic/3, [ber]).
+tagdefault_automatic(Config, Rule, Opts) ->
+    asn1_test_lib:compile("TAGDEFAULT-AUTOMATIC", Config, [Rule|Opts]),
+    << 48,8,128,2,100,101,129,2,110,111 >> =
+	asn1_test_lib:roundtrip_enc('TAGDEFAULT-AUTOMATIC', 'Tagged', {'Tagged', << 100,101 >>, << 110,111 >>}),
+    << 48,8,128,2,100,101,129,2,110,111 >> =
+	asn1_test_lib:roundtrip_enc('TAGDEFAULT-AUTOMATIC', 'Untagged', {'Untagged', << 100,101 >>, << 110,111 >>}),
+    << 48,8,4,2,100,101,130,2,110,111 >> =
+	asn1_test_lib:roundtrip_enc('TAGDEFAULT-AUTOMATIC', 'Mixed', {'Mixed', << 100,101 >>, << 110,111 >>}),
+
+    ok.
+
 %% records used by test-case default
 -record('Def1', {bool0,
                  bool1 = asn1_DEFAULT,
diff --git a/lib/asn1/test/asn1_SUITE_data/ContextSwitchingTypes.asn1 b/lib/asn1/test/asn1_SUITE_data/ContextSwitchingTypes.asn1
index c8145bad63..e279a180c1 100644
--- a/lib/asn1/test/asn1_SUITE_data/ContextSwitchingTypes.asn1
+++ b/lib/asn1/test/asn1_SUITE_data/ContextSwitchingTypes.asn1
@@ -21,6 +21,10 @@ val3-T T ::= {identification context-negotiation:{presentation-context-id 12,
 						transfer-syntax {1 2 3}}, 
 	    data-value '123'H}
 
+val4-T T ::= {identification presentation-context-id:42,
+              data-value-descriptor "FooBar",
+	      data-value '123'H}
+
 -- EMBEDDED PDV type 
 
 EP ::= EMBEDDED PDV
diff --git a/lib/asn1/test/asn1_SUITE_data/TAGDEFAULT-AUTOMATIC.asn b/lib/asn1/test/asn1_SUITE_data/TAGDEFAULT-AUTOMATIC.asn
new file mode 100644
index 0000000000..2fcba1f71e
--- /dev/null
+++ b/lib/asn1/test/asn1_SUITE_data/TAGDEFAULT-AUTOMATIC.asn
@@ -0,0 +1,25 @@
+TAGDEFAULT-AUTOMATIC DEFINITIONS AUTOMATIC TAGS ::=
+BEGIN
+
+EXPORTS
+	Tagged,
+	Untagged,
+	Mixed
+;
+
+Tagged ::= SEQUENCE {
+	o0	[0]	OCTET STRING,
+	o1	[1]	OCTET STRING
+}
+
+Untagged ::= SEQUENCE {
+	o0		OCTET STRING,
+	o1		OCTET STRING
+}
+
+Mixed ::= SEQUENCE {
+	o0		OCTET STRING,
+	o2	[2]	OCTET STRING
+}
+
+END
diff --git a/lib/asn1/test/testContextSwitchingTypes.erl b/lib/asn1/test/testContextSwitchingTypes.erl
index bdd6883dac..61d1fbdd69 100644
--- a/lib/asn1/test/testContextSwitchingTypes.erl
+++ b/lib/asn1/test/testContextSwitchingTypes.erl
@@ -24,11 +24,21 @@
 -include_lib("test_server/include/test_server.hrl").
 
 test(Config) ->
-    ValT = 'ContextSwitchingTypes':'val1-T'(),
-    check_EXTERNAL(enc_dec('T', ValT)),
+    ValT_1 = 'ContextSwitchingTypes':'val1-T'(),
+    check_EXTERNAL(enc_dec('T', ValT_1)),
+
+    ValT_2 = 'ContextSwitchingTypes':'val2-T'(),
+    check_EXTERNAL(enc_dec('T', ValT_2)),
+
+    ValT_3 = 'ContextSwitchingTypes':'val3-T'(),
+    check_EXTERNAL(enc_dec('T', ValT_3)),
+
+    ValT_4 = 'ContextSwitchingTypes':'val4-T'(),
+    check_EXTERNAL(enc_dec('T', ValT_4)),
 
     {ok,ValT2} = asn1ct:value('ContextSwitchingTypes', 'T',
 			      [{i,?config(case_dir, Config)}]),
+    io:format("ValT2 ~p~n",[ValT2]),
     check_EXTERNAL(enc_dec('T', ValT2)),
 
     ValEP = 'ContextSwitchingTypes':'val1-EP'(),