code sample for pandas-dev#43240

Author: simonjayhawkins

bisect/43240.py

@@ -0,0 +1,17 @@
+# BUG: RangeIndex.where throws AssertionError #43240
+
+import numpy as np
+
+import pandas as pd
+
+print(pd.__version__)
+
+idx = pd.RangeIndex(0, 5)
+v = np.array([False, False, True, True, True])
+
+result = idx.where(v, 10)
+print(result)
+
+expected = pd.Index([10, 10, 2, 3, 4], dtype="int64")
+
+pd.testing.assert_index_equal(result, expected)