From 6ec259a0e71174651bae95d4628138bf6fd68742 Mon Sep 17 00:00:00 2001
From: kj_sh604
Date: Sun, 15 Mar 2026 16:19:35 -0400
Subject: refactor: packages/

---
 packages/math/vector.test.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 packages/math/vector.test.ts

(limited to 'packages/math/vector.test.ts')

diff --git a/packages/math/vector.test.ts b/packages/math/vector.test.ts
new file mode 100644
index 0000000..145c909
--- /dev/null
+++ b/packages/math/vector.test.ts
@@ -0,0 +1,12 @@
+import { isVector } from ".";
+
+describe("Vector", () => {
+  test("isVector", () => {
+    expect(isVector([5, 5])).toBe(true);
+    expect(isVector([-5, -5])).toBe(true);
+    expect(isVector([5, 0.5])).toBe(true);
+    expect(isVector(null)).toBe(false);
+    expect(isVector(undefined)).toBe(false);
+    expect(isVector([5, NaN])).toBe(false);
+  });
+});
-- 
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