diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh
index dae76b39b80..f1debeb7ad8 100755
--- a/t/t0003-attributes.sh
+++ b/t/t0003-attributes.sh
@@ -44,6 +44,13 @@ test_expect_success 'setup' '
 
 test_expect_success 'command line checks' '
 
+	test_must_fail git check-attr &&
+	test_must_fail git check-attr -- &&
+	test_must_fail git check-attr -- f &&
+	echo "f" | test_must_fail git check-attr --stdin &&
+	echo "f" | test_must_fail git check-attr --stdin -- f &&
+	echo "f" | test_must_fail git check-attr --stdin test -- f &&
+	echo "f" | test_must_fail git check-attr --stdin test f &&
 	test_must_fail git check-attr "" -- f
 
 '