From f34c422b20fd1fc1b4bf71ebf448b3c42f104226 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Fri, 3 Jul 2026 21:44:26 +0400
Subject: test: realign stage 2 acceptance coverage

---
 crates/fparkan-runtime/src/lib.rs | 56 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

(limited to 'crates/fparkan-runtime/src')

diff --git a/crates/fparkan-runtime/src/lib.rs b/crates/fparkan-runtime/src/lib.rs
index d10647d..6a4e478 100644
--- a/crates/fparkan-runtime/src/lib.rs
+++ b/crates/fparkan-runtime/src/lib.rs
@@ -1114,6 +1114,50 @@ mod tests {
         }
     }
 
+    #[test]
+    #[ignore = "requires local testdata corpus"]
+    fn selected_is_and_is2_missions_preserve_runtime_object_drafts() {
+        for case in [
+            ("IS", "MISSIONS/Autodemo.00/data.tma"),
+            ("IS2", "MISSIONS/Autodemo.00/data.tma"),
+        ] {
+            let root = local_testdata_root(case.0);
+            let vfs: Arc<dyn Vfs> = Arc::new(DirectoryVfs::new(root));
+            let mut engine = create(
+                EngineConfig {
+                    mode: EngineMode::Headless,
+                },
+                EngineServices::new(vfs),
+            )
+            .expect("engine");
+            let loaded = load_mission(
+                &mut engine,
+                MissionRequest {
+                    key: case.1.to_string(),
+                },
+            )
+            .expect("load mission");
+            let drafts = loaded_mission_object_drafts(&engine).expect("object drafts");
+            let assets = loaded_mission_assets(&engine).expect("mission assets");
+
+            assert_eq!(drafts.len(), loaded.object_count);
+            assert!(drafts.iter().any(|draft| !draft.visual_ids.is_empty()));
+            for (index, draft) in drafts.iter().enumerate() {
+                assert_eq!(
+                    draft.original_id,
+                    u32::try_from(index).ok().map(OriginalObjectId)
+                );
+                assert_eq!(draft.visual_ids, assets.visuals_for_object(index));
+                assert!(draft.position.iter().all(|component| component.is_finite()));
+                assert!(draft
+                    .orientation_raw
+                    .iter()
+                    .all(|component| component.is_finite()));
+                assert!(draft.scale.iter().all(|component| component.is_finite()));
+            }
+        }
+    }
+
     #[test]
     #[ignore = "requires licensed corpus"]
     fn licensed_corpora_load_all_mission_foundations() {
@@ -1326,6 +1370,18 @@ mod tests {
         root
     }
 
+    fn local_testdata_root(name: &str) -> PathBuf {
+        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../../testdata")
+            .join(name);
+        assert!(
+            root.is_dir(),
+            "local testdata root is missing: {}",
+            root.display()
+        );
+        root
+    }
+
     #[derive(Clone, Copy)]
     enum DenyRule {
         Suffix(&'static str),
-- 
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