Regression test for issue 2637

testsuite/pytests/sli2py_regressions/test_issue_2637.py

@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+#
+# test_issue_2637.py
+#
+# This file is part of NEST.
+#
+# Copyright (C) 2004 The NEST Initiative
+#
+# NEST is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# NEST is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with NEST.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Regression test for Issue #2637 (GitHub).
+
+This set of tests ensures that a ``NodeCollection`` can be sliced with
+a Python ``list`` of NumPy integers.
+"""
+
+import numpy as np
+import pytest
+
+import nest
+
+
+@pytest.mark.parametrize("dtype", [int, np.int32, np.int64])
+def test_nc_slice_list_of_numpy_ints(dtype):
+    """
+    Ensure that a list of NumPy integers can slice a ``NodeCollection``.
+    """
+
+    nc = nest.Create("iaf_psc_alpha", 2)
+    slice_arr = np.array([0, 1], dtype=dtype)
+    slice_lst = list(slice_arr)
+    nc_slice = nc[slice_lst]