diff --git a/Unit testing/billy_objects_tests.cpp b/Unit testing/billy_objects_tests.cpp
index cfa875e..e91159b 100644
--- a/Unit testing/billy_objects_tests.cpp	
+++ b/Unit testing/billy_objects_tests.cpp	
@@ -105,3 +105,64 @@ TEST_CASE("[D] Deserialize full BillyObjects", "[deserialize][1]") {
     REQUIRE(std::holds_alternative<equipments>(dummy_object.objects[2]));
     REQUIRE(std::get<equipments>(dummy_object.objects[2]) == equipments::MedicKit);
 }
+
+TEST_CASE("[D] Pushing popping BillyObjects", "[pushpop][0]") {
+    constexpr std::array<BillyObjects::billyObject, 12> all_objects{
+            weapons::Sword,
+            weapons::Lance,
+            weapons::Morgenstern,
+            weapons::Bow,
+            equipments::Chainmail,
+            equipments::CookingPot,
+            equipments::PamphletTourist,
+            equipments::MedicKit,
+            tools::Fourche,
+            tools::Dagger,
+            tools::RockClimbingKit,
+            tools::SackOfGrain,
+    };
+
+    BillyObjects gestionnaire{};
+    CharacterSheet sheet;
+    REQUIRE(sheet.get_objects().empty());
+
+    REQUIRE_NOTHROW(gestionnaire.push_object(weapons::Sword, sheet));
+    REQUIRE_FALSE(sheet.get_objects().empty());
+    REQUIRE(std::holds_alternative<weapons>(sheet.get_objects().back()));
+    REQUIRE(std::get<weapons>(sheet.get_objects().back()) == weapons::Sword);
+
+    REQUIRE_NOTHROW(gestionnaire.pop_object(sheet));
+    REQUIRE(sheet.get_objects().empty());
+
+    for (std::size_t j = 0; j < all_objects.size(); j += 3) {
+        for (std::size_t i = 0; i < 3; ++i) {
+            REQUIRE_NOTHROW(gestionnaire.push_object(all_objects[i + j], sheet));
+        }
+        REQUIRE_FALSE(sheet.get_objects().empty());
+
+        for (std::size_t i = 0; i < 3; ++i) {
+            REQUIRE_NOTHROW(gestionnaire.pop_object(sheet));
+        }
+        REQUIRE(sheet.get_objects().empty());
+    }
+}
+
+TEST_CASE("[D] Printing Billy's objects", "[printing]") {
+    constexpr std::array<BillyObjects::billyObject, 12> all_objects{
+            weapons::Sword,
+            weapons::Lance,
+            weapons::Morgenstern,
+            weapons::Bow,
+            equipments::Chainmail,
+            equipments::CookingPot,
+            equipments::PamphletTourist,
+            equipments::MedicKit,
+            tools::Fourche,
+            tools::Dagger,
+            tools::RockClimbingKit,
+            tools::SackOfGrain,
+    };
+    for (const auto &object: all_objects) {
+        REQUIRE_NOTHROW(BillyObjects::billy_object_to_string(object));
+    }
+}
diff --git a/src/billy_objects.cpp b/src/billy_objects.cpp
index 4017f58..872649a 100644
--- a/src/billy_objects.cpp
+++ b/src/billy_objects.cpp
@@ -229,9 +229,6 @@ namespace character {
                 case toolsHash:
                     billy.push_back(static_cast<tools>(value));
                     break;
-                default:
-                    SPDLOG_CRITICAL("Deserialize billy objects error, wrong hash.");
-                    throw std::runtime_error("Deserialize billy objects error, wrong hash.");
             }
         }
     }