asn1_test: add JSON plot of UE cap container

lib/test/asn1/srsran_asn1_rrc_ul_dcch_test.cc

@@ -19,6 +19,7 @@ using namespace asn1;
 using namespace asn1::rrc;
 
 #define PCAP 0
+#define JSON_OUTPUT 1
 
 #define TESTASSERT(cond)                                                                                               \
   {                                                                                                                    \
@@ -651,6 +652,19 @@ int rrc_ue_cap_information_test()
   TESTASSERT(ue_cap.crit_exts.c1().ue_cap_info_r8().ue_cap_rat_container_list[0].rat_type ==
              asn1::rrc::rat_type_e::eutra);
 
+  asn1::rrc::ue_eutra_cap_s eutra_capabilities;
+  asn1::cbit_ref bref2(ue_cap.crit_exts.c1().ue_cap_info_r8().ue_cap_rat_container_list[0].ue_cap_rat_container.data(),
+                       ue_cap.crit_exts.c1().ue_cap_info_r8().ue_cap_rat_container_list[0].ue_cap_rat_container.size());
+  TESTASSERT(eutra_capabilities.unpack(bref2) == asn1::SRSASN_SUCCESS);
+
+#if JSON_OUTPUT
+  int               unpacked_len = bref2.distance_bytes();
+  asn1::json_writer json_writer1;
+  eutra_capabilities.to_json(json_writer1);
+  srslog::fetch_basic_logger("ASN1").info(
+      rrc_msg, sizeof(rrc_msg), "UE cap info unpacked (%d B): \n %s", unpacked_len, json_writer1.to_string().c_str());
+#endif
+
   return 0;
 }