From b35c7d5ae9cbb1dd2293d528a972c3eb482e4014 Mon Sep 17 00:00:00 2001
From: drewcassidy <drewcassidy@me.com>
Date: Tue, 6 Apr 2021 23:46:00 -0700
Subject: [PATCH] test for index errors on BC1

---
 tests/test_bc1.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/test_bc1.py b/tests/test_bc1.py
index 73b0415..c4bf5bf 100644
--- a/tests/test_bc1.py
+++ b/tests/test_bc1.py
@@ -104,6 +104,11 @@ class TestBC1Texture(unittest.TestCase):
 
         self.assertEqual(self.tex[-1, -1], self.tex[self.wb - 1, self.hb - 1], 'incorrect negative subscripting')
 
+        with self.assertRaises(IndexError):
+            thing = self.tex[self.wb, self.hb]
+        with self.assertRaises(IndexError):
+            thing = self.tex[-1 - self.wb, -1 - self.hb]
+
     def test_buffer(self):
         """Test the buffer protocol of BC1Texture"""
         mv = memoryview(self.tex)