2 files changed, 5 insertions, 2 deletions
diff --git a/tests/functional/fmt.sh b/tests/functional/fmt.sh
index 3c1bd9989..7d6add9b6 100644
--- a/tests/functional/fmt.sh
+++ b/tests/functional/fmt.sh
@@ -26,7 +26,10 @@ cat << EOF > flake.nix
   };
 }
 EOF
-nix fmt ./file ./folder | grep 'Formatting: ./file ./folder'
+# No arguments check
+[[ "$(nix fmt)" = "Formatting(0):" ]]
+# Argument forwarding check
+nix fmt ./file ./folder | grep 'Formatting(2): ./file ./folder'
 nix flake check
 nix flake show | grep -P "package 'formatter'"
 
diff --git a/tests/functional/fmt.simple.sh b/tests/functional/fmt.simple.sh
index 03109a655..f655846ca 100755
--- a/tests/functional/fmt.simple.sh
+++ b/tests/functional/fmt.simple.sh
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 
-echo Formatting: "${@}"
+echo "Formatting(${#}):" "${@}"