diff --git a/README.md b/README.md
index 627dd9f..33a2269 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,26 @@
 git clone https://github.com/gityf/crc.git
 mkdir build
 cd build
-cmake .. -DBUILD_SHARED_LIBS=1
+cmake .. -DBUILD_SHARED_LIBS=1 -DCRC_TESTS=1
 make 
 ```
 
+## Testing
+
+``` bash
+./crc_test 
+[ RUN      ] ==== Test CRC8Test.BasicTest
+[ RUN      ] ==== Test CRC16Test.BasicTest
+[ RUN      ] ==== Test CRC32Test.BasicTest
+[ RUN      ] ==== Test CRC64Test.BasicTest
+[ RUN      ] ==== Test CRC8PolyTest.BasicTest
+[ RUN      ] ==== Test CRC16PolyTest.BasicTest
+[ RUN      ] ==== Test CRC32PolyTest.BasicTest
+[ PASS     ] ==== PASSED 7 tests
+[ NOPASS   ] ==== ERROR 0 tests
+
+```
+
 ## Include 
 
 ### Cmake build system