1 files changed, 9 insertions, 0 deletions
diff --git a/test/t/test_lrzip.py b/test/t/test_lrzip.py
index d61ee9d..dbc3939 100644
--- a/test/t/test_lrzip.py
+++ b/test/t/test_lrzip.py
@@ -13,3 +13,12 @@ class TestLrzip:
     @pytest.mark.complete("lrzip -", require_cmd=True)
     def test_3(self, completion):
         assert completion
+
+    @pytest.mark.complete(
+        "lrzip --",
+        # require_longopt not applicable, useful --help may give nonzero exit
+        require_cmd=True,
+        xfail=("! { lrzip --help 2>&1 || :; } | command grep -qF -- --help"),
+    )
+    def test_longopt(self, completion):
+        assert completion