From 4d5e2db71adc7d9e4467d9b07ff72950070b16b1 Mon Sep 17 00:00:00 2001
From: Tim Diller <tim@dillerdigital.com>
Date: Fri, 24 Oct 2025 10:11:43 -0500
Subject: [PATCH] add test for proper failure of Vector.dot

---
 test/test_vector.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/test_vector.py b/test/test_vector.py
index 04d7304..d3b0f65 100644
--- a/test/test_vector.py
+++ b/test/test_vector.py
@@ -11,6 +11,11 @@ class TestVector(unittest.TestCase):
         self.assertIsInstance(v3, Vector)
         self.assertEqual(v3.x, v1.x + v2.x)
         
+    def test_dot_failure(self):
+        with self.assertRaises(ValueError):
+            v1 = Vector(1, 2, 3)
+            v1.dot(3)
+
     def test_dot_product(self):
         v1 = Vector(1, 2, 3)
         v2 = Vector(-3, -2, -1)