From 58d9907dcf0fb3a0c7f1f88229e18cbde164a512 Mon Sep 17 00:00:00 2001
From: Kevin <Kevin>
Date: Sat, 23 May 2020 12:54:09 +0200
Subject: [PATCH] updated test case

---
 test/test_sfg.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/test_sfg.py b/test/test_sfg.py
index 72737fda..269f247f 100644
--- a/test/test_sfg.py
+++ b/test/test_sfg.py
@@ -270,6 +270,7 @@ class TestReplaceOperations:
 
         assert 'mad1' in _sfg._components_by_id.keys()
         assert {add1, mul1} not in _sfg.operations
+        assert _sfg.input(0).signals
 
     def test_replace_neg_add_with_sub(self):
         in1 = Input()
@@ -284,6 +285,7 @@ class TestReplaceOperations:
 
         assert 'sub1' in _sfg._components_by_id.keys()
         assert {add1, neg1} not in _sfg.operations
+        assert _sfg.input(0).signals
 
     def test_different_input_output_count(self, operation_tree):
         sfg = SFG(outputs=[Output(operation_tree)])
-- 
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