From 7ccfd5a2d15d9d237ecc39f74f8976acd4f6b5df Mon Sep 17 00:00:00 2001
From: BChass <34097574+Bchass@users.noreply.github.com>
Date: Mon, 3 Jun 2024 20:32:27 -0400
Subject: [PATCH] cover WRITEBACKIFCOPY

---
 tinynumpy/tests/test_tinynumpy.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tinynumpy/tests/test_tinynumpy.py b/tinynumpy/tests/test_tinynumpy.py
index c1b0480..845b4c7 100644
--- a/tinynumpy/tests/test_tinynumpy.py
+++ b/tinynumpy/tests/test_tinynumpy.py
@@ -553,6 +553,10 @@ def test_setitem_writeable():
         a = tnp.array([1, 2, 3])
         a.flags = {'WRITEABLE': False}
         a[0] = 4
+    
+    with pytest.raises(ValueError):
+        a = tnp.array([1, 2, 3])
+        a.flags = {'WRITEBACKIFCOPY': True}
 
 
 def test_transpose():