1 files changed, 9 insertions, 0 deletions
diff --git a/test/t/test_m4.py b/test/t/test_m4.py
new file mode 100644
index 0000000..7ecd774
--- /dev/null
+++ b/test/t/test_m4.py
@@ -0,0 +1,9 @@
+import pytest
+
+
+class TestM4:
+    @pytest.mark.complete(
+        "m4 --", require_cmd=True, xfail="! m4 --help &>/dev/null"
+    )
+    def test_1(self, completion):
+        assert completion