Fix JSON serialized of empty data (#1218)

Qiskit · Apr 14, 2021 · e0db53f · e0db53f
1 parent be4a6fa
commit e0db53f
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/framework/results/data/data.hpp b/src/framework/results/data/data.hpp
@@ -149,7 +149,7 @@ Data &Data::combine(Data &&other) {
 }
 
 json_t Data::to_json() {
-  json_t result;
+  json_t result = json_t::object();
   DataRValue::add_to_json(result);
   DataRVector::add_to_json(result);
   DataRDict::add_to_json(result);

diff --git a/src/framework/results/data/metadata.hpp b/src/framework/results/data/metadata.hpp
@@ -78,7 +78,7 @@ Metadata &Metadata::combine(Metadata &&other) {
 }
 
 json_t Metadata::to_json() {
-  json_t result;
+  json_t result = json_t::object();
   DataMap<SingleData, json_t, 1>::add_to_json(result);
   DataMap<SingleData, json_t, 2>::add_to_json(result);
   DataMap<SingleData, json_t, 3>::add_to_json(result);