1 files changed, 31 insertions, 0 deletions
diff --git a/internal/world/room_test.go b/internal/world/room_test.go
index 855eba5..893f858 100644
--- a/internal/world/room_test.go
+++ b/internal/world/room_test.go
@@ -6,6 +6,8 @@ import (
 	"testing"
 
 	"gopkg.in/yaml.v3"
+	"thehouseoficarus/internal/behavior"
+	"thehouseoficarus/internal/object"
 )
 
 func writeRoom(t *testing.T, dir string, body string) {
@@ -137,3 +139,32 @@ func TestExitDefUnmarshalAlwaysBlocked(t *testing.T) {
 		t.Error("east exit should not have AlwaysBlocked")
 	}
 }
+
+func TestRoomObjectMarshalYAMLRoundTripsWander(t *testing.T) {
+	ro := RoomObject{
+		ID:             "fence",
+		WanderRooms:    []int{2, 3},
+		WanderInterval: 5,
+		Local: &object.ObjectDef{
+			Name:        "fence",
+			Description: behavior.DescList{{Text: "A fence."}},
+		},
+	}
+	data, err := yaml.Marshal(ro)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	var out RoomObject
+	if err := yaml.Unmarshal(data, &out); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if len(out.WanderRooms) != 2 || out.WanderRooms[0] != 2 || out.WanderRooms[1] != 3 {
+		t.Fatalf("wander_rooms round trip = %v, want [2 3]", out.WanderRooms)
+	}
+	if out.WanderInterval != 5 {
+		t.Fatalf("wander_interval round trip = %v, want 5", out.WanderInterval)
+	}
+	if out.Local == nil || out.Local.Name != "fence" {
+		t.Fatalf("local object lost: %+v", out.Local)
+	}
+}