coverage

Author: jbrockmendel

pandas/tests/indexes/timedeltas/test_construction.py

@@ -6,6 +6,7 @@
 import pandas as pd
 import pandas.util.testing as tm
 from pandas import TimedeltaIndex, timedelta_range, to_timedelta, Timedelta
+from pandas.core.arrays import TimedeltaArrayMixin as TimdeltaArray
 
 
 class TestTimedeltaIndex(object):
@@ -41,6 +42,10 @@ def test_infer_from_tdi_mismatch(self):
         with pytest.raises(ValueError, match=msg):
             TimedeltaIndex(tdi, freq='D')
 
+        with pytest.raises(ValueError, match=msg):
+            # GH#23789
+            TimedeltaArray(tdi, freq='D')
+
     def test_dt64_data_invalid(self):
         # GH#23539
         # passing tz-aware DatetimeIndex raises, naive or ndarray[datetime64]