From cd405015bc40bb796480a3debb477135bfa5d55f Mon Sep 17 00:00:00 2001
From: Felix Kleinert <f.kleinert@fz-juelich.de>
Date: Mon, 23 Mar 2020 11:08:05 +0100
Subject: [PATCH] add new test for multiply extremes: label and history are
 None (#87)

---
 test/test_data_handling/test_data_preparation.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/test_data_handling/test_data_preparation.py b/test/test_data_handling/test_data_preparation.py
index a73ff761..747b3734 100644
--- a/test/test_data_handling/test_data_preparation.py
+++ b/test/test_data_handling/test_data_preparation.py
@@ -460,6 +460,11 @@ class TestDataPrep:
         data.make_labels("variables", "o3", "datetime", 2)
         assert data.multiply_extremes([1], extremes_on_right_tail_only=False) is None
 
+    def test_multiply_extremes_none_label_history(self,data ):
+        data.history = None
+        data.label = None
+        assert data.multiply_extremes([1], extremes_on_right_tail_only=False) is None
+
     def test_get_extremes_history(self, data):
         data.transform("datetime")
         data.make_history_window("variables", 3, "datetime")
-- 
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