From 3b4517aa010d54c81aae62afdab3bc582bbc6add Mon Sep 17 00:00:00 2001
From: Marko Korhonen <marko.korhonen@druid.fi>
Date: Thu, 15 Jun 2023 09:09:06 +0300
Subject: [PATCH] Update README.md

---
 README.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/README.md b/README.md
index de15729..04ef1ec 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,28 @@
 - Remove files
 - Report the size of removed files and folders
 
+## How to test
+
+Include in the project, accept plugin:
+
+```shell
+composer require druidfi/composer-slimmer:dev-main
+```
+
+Clean projects vendor and other folder loaded by Composer:
+
+```shell
+make clean
+```
+
+Test installing with slimmer plugin (`-v` flag is for verbose output):
+
+```shell
+composer install -v
+```
+
+At the end you should see how much space was saved.
+
 ## Resources
 
 - [Composer issue #1750](https://github.com/composer/composer/issues/1750)