test(costl2): add cost on segment of length 1

deepcharles · May 17, 2022 · 5c80d06 · 5c80d06
1 parent d24493f
commit 5c80d06
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tests/test_costs.py b/tests/test_costs.py
@@ -103,6 +103,9 @@ def test_costs_5D_names(signal_bkps_5D, cost_name):
     cost.error(100, signal.shape[0])
     cost.error(10, 50)
     cost.sum_of_costs(bkps)
+    if cost_name == "l2":
+            assert cost.error(1, 2)==0., "CostL2 on segment of size 1 returns 0."
+
     with pytest.raises(NotEnoughPoints):
         if cost_name == "cosine":
             cost.min_size = 4