test: add test to check for read-only cut

Author: hexgnu

pandas/tests/reshape/test_tile.py

@@ -512,6 +512,11 @@ def f():
         tm.assert_numpy_array_equal(
             mask, np.array([False, True, True, True, True]))
 
+    def test_cut_read_only(self):
+        bins = np.arange(0, 100, 10)
+        bins.flags.writeable = False
+        cut(np.arange(100), bins)
+
 
 def curpath():
     pth, _ = os.path.split(os.path.abspath(__file__))