1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/warp/tests/determinism.rs b/plugins/warp/tests/determinism.rs
new file mode 100644
index 00000000..403fff1d
--- /dev/null
+++ b/plugins/warp/tests/determinism.rs
@@ -0,0 +1,40 @@
+//! This tests to make sure the function GUIDs are stable.
+use binaryninja::binary_view::BinaryViewExt;
+use binaryninja::headless::Session;
+use std::collections::BTreeMap;
+use std::path::PathBuf;
+use warp::signature::function::FunctionGUID;
+use warp_ninja::cache::cached_function_guid;
+
+// These are the target files present in OUT_DIR
+// Add the files to fixtures/bin
+static TARGET_FILES: [&str; 9] = [
+    "_ctype.obj",
+    "_fptostr.obj",
+    "_mbslen.obj",
+    "_memicmp.obj",
+    "_strnicm.obj",
+    "_wctype.obj",
+    "atof.obj",
+    "atoldbl.obj",
+    "atox.obj",
+];
+
+#[test]
+fn insta_signatures() {
+    let session = Session::new().expect("Failed to initialize session");
+    let out_dir = env!("OUT_DIR").parse::<PathBuf>().unwrap();
+    for file_name in TARGET_FILES {
+        let path = out_dir.join(file_name);
+        let view = session.load(&path).expect("Failed to load view");
+        let functions: BTreeMap<u64, FunctionGUID> = view
+            .functions()
+            .iter()
+            .map(|f| {
+                let guid = cached_function_guid(&f, &f.lifted_il().unwrap());
+                (f.start(), guid)
+            })
+            .collect();
+        insta::assert_debug_snapshot!(file_name, functions);
+    }
+}