diff --git a/tests/test_show_as_cell.py b/tests/test_show_as_cell.py
new file mode 100644
index 0000000..2edf24c
--- /dev/null
+++ b/tests/test_show_as_cell.py
@@ -0,0 +1,6 @@
+from biocgenerics import show_as_cell
+
+
+def test_show_as_cell():
+    assert show_as_cell([1, 2, 3, 4], range(4)) == ["1", "2", "3", "4"]
+    assert show_as_cell([1, 2, 3, 4], [1, 3]) == ["2", "4"]