From b884ae953aeb52ae1a891fa9eadfb8357e65b24e Mon Sep 17 00:00:00 2001
From: Boming Zhang <bomingzh@sjtu.edu.cn>
Date: Wed, 3 Apr 2024 19:24:07 -0400
Subject: [PATCH] docs: update note for cpplint

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 7fdbb0c..ab9e051 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,9 @@ $ make prepare-test
 ```
 
 7. Check the functions of `joj3` with the `make test`, which should pass all the test cases. The cases used here are in `/examples`.
+
+Note: you may fail the test if the checking tools are not installed. e.g. For the test case `cpplint/sillycode`, you need to install `cpplint` in `/usr/bin` or `/usr/local/bin`.
+
 ```bash
 $ make test
 go test -coverprofile cover.out -v ./...