Fix build

example/test_emmg_messages.h

@@ -130,11 +130,11 @@ const char kTestEmmgDataProvision[] = {
     '\x47', '\x40', '\x00', '\x10', '\x0a', '\x0d', '\x77', '\x69', '\x64',
     '\x65', '\x76', '\x69', '\x6e', '\x65', '\x5f', '\x74', '\x65', '\x73',
     '\x74', '\x12', '\x09', '\x43', '\x61', '\x73', '\x54', '\x73', '\x46',
-    '\x61', '\x6b', '\x65', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
-    '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
-    '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
-    '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
-    '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
+    '\x61', '\x6b', '\x65', '\x1a', '\x10', '\x66', '\x61', '\x6b', '\x65',
+    '\x4b', '\x65', '\x79', '\x49', '\x64', '\x31', '\x4b', '\x65', '\x79',
+    '\x49', '\x64', '\x31', '\x1a', '\x10', '\x66', '\x61', '\x6b', '\x65',
+    '\x4b', '\x65', '\x79', '\x49', '\x64', '\x32', '\x4b', '\x65', '\x79',
+    '\x49', '\x64', '\x32', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
     '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
     '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
     '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
@@ -149,6 +149,26 @@ const char kTestEmmgDataProvision[] = {
     '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
     '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00'};
 
+const char kTestEmptyEmmgDataProvision[] = {
+    '\x02',                          // protocol_version
+    '\x02', '\x11',                  // message_type - Data_provision
+    '\x00', '\x00',                  // message_length
+    '\x00', '\x01',                  // parameter_type - client_id
+    '\x00', '\x04',                  // parameter_length
+    '\x4a', '\xd4', '\x00', '\x00',  // parameter_value
+    '\x00', '\x03',                  // parameter_type - data_channel_id
+    '\x00', '\x02',                  // parameter_length
+    '\x00', '\x01',                  // parameter_value
+    '\x00', '\x04',                  // parameter_type - data_stream_id
+    '\x00', '\x02',                  // parameter_length
+    '\x00', '\x01',                  // parameter_value
+    '\x00', '\x08',                  // parameter_type - data_id
+    '\x00', '\x02',                  // parameter_length
+    '\x00', '\x01',                  // parameter_value
+    '\x00', '\x00',                  // parameter_type - datagram
+    '\x00', '\x00',                  // parameter_length
+};
+
 const char kTestEmmgStreamCloseRequest[] = {
     '\x02',                          // protocol_version
     '\x01', '\x14',                  // message_type - Stream_close_request