1 files changed, 53 insertions, 0 deletions
diff --git a/lib/asn1/test/testExtensionDefault.erl b/lib/asn1/test/testExtensionDefault.erl
new file mode 100644
index 0000000000..cc50fa95b8
--- /dev/null
+++ b/lib/asn1/test/testExtensionDefault.erl
@@ -0,0 +1,53 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+%%
+-module(testExtensionDefault).
+
+-export([main/1]).
+
+main(_Erule) ->
+    roundtrip('Message', {'Message',1,low}),    %Will be explicitly encoded.
+    roundtrip('Message', {'Message',1,high}),
+    roundtrip('Message', {'Message',1,asn1_DEFAULT}, {'Message',1,low}),
+
+    map_roundtrip('Message', #{id=>1,priority=>low}), %Will be explicitly encoded.
+    map_roundtrip('Message', #{id=>1,priority=>high}),
+    map_roundtrip('Message', #{id=>1}, #{id=>1,priority=>low}),
+    ok.
+
+roundtrip(Type, Value) ->
+    asn1_test_lib:roundtrip('ExtensionDefault', Type, Value).
+
+roundtrip(Type, Value, Expected) ->
+    %% asn1_test_lib:roundtrip/3 will invoke map_roundtrip/3, which will
+    %% not work in this case. Therefore, implement the roundtrip ourselves.
+    M = 'ExtensionDefault',
+    {ok,Enc} = M:encode(Type, Value),
+    {ok,Expected} = M:decode(Type, Enc),
+    ok.
+
+map_roundtrip(Type, Value) ->
+    map_roundtrip(Type, Value, Value).
+
+map_roundtrip(Type, Value, Expected) ->
+    M = 'maps_ExtensionDefault',
+    Enc = M:encode(Type, Value),
+    Expected = M:decode(Type, Enc),
+    ok.