fix(desktop): guard invalid badge count payloads

2026-03-23 14:42:17 +07:00
parent af0f629073
commit b862f7b72d
2 changed files with 42 additions and 2 deletions
@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+
+import { readBadgeCount } from "./window-manager";
+
+describe("window-manager", () => {
+  describe("readBadgeCount", () => {
+    it("returns valid non-negative integers", () => {
+      expect(readBadgeCount(0)).toBe(0);
+      expect(readBadgeCount(3)).toBe(3);
+    });
+
+    it("falls back to zero for invalid payloads", () => {
+      expect(readBadgeCount(undefined)).toBe(0);
+      expect(readBadgeCount(null)).toBe(0);
+      expect(readBadgeCount(Number.NaN)).toBe(0);
+      expect(readBadgeCount(Number.POSITIVE_INFINITY)).toBe(0);
+      expect(readBadgeCount(-1)).toBe(0);
+      expect(readBadgeCount(1.5)).toBe(0);
+      expect(readBadgeCount("2")).toBe(0);
+      expect(readBadgeCount({ count: 2 })).toBe(0);
+    });
+  });
+});