ci: tests for macOS on Gitlab CI

[nit.git] / lib / ios / data_store.nit

diff --git a/lib/ios/data_store.nit b/lib/ios/data_store.nit
index c71a16e..e4316ea 100644 (file)
--- a/lib/ios/data_store.nit
+++ b/lib/ios/data_store.nit
@@ -32,7 +32,16 @@ redef class DataStore
 
                # TODO report errors
                var deserializer = new JsonDeserializer(nsstr.to_s)
-               return deserializer.deserialize
+               var deserialized = deserializer.deserialize
+
+               var errors = deserializer.errors
+               if errors.not_empty then
+                       # An update may have broken the versioning compatibility
+                       print_error "{class_name} error at deserialization: {errors.join(", ")}"
+                       return null # Let's be safe
+               end
+
+               return deserialized
        end
 
        redef fun []=(key, value)