diff --git a/test/map/utils/parsePB.test.ts b/test/map/utils/parsePB.test.ts
new file mode 100644
index 0000000..eee64e3
--- /dev/null
+++ b/test/map/utils/parsePB.test.ts
@@ -0,0 +1,9 @@
+import { describe, it } from 'vitest';
+import { parsePB } from '../../../src/map/utils/parsePB';
+
+describe.concurrent('Parse PB', () => {
+    it('empty', ({ expect }) => {
+        const res = parsePB([]);
+        expect(res).empty;
+    });
+});