diff --git a/spring-security-lab/src/test/java/pl/mperor/lab/spring/api/BCryptWorkFactorTest.java b/spring-security-lab/src/test/java/pl/mperor/lab/spring/api/BCryptWorkFactorTest.java
new file mode 100644
index 0000000..eedd7be
--- /dev/null
+++ b/spring-security-lab/src/test/java/pl/mperor/lab/spring/api/BCryptWorkFactorTest.java
@@ -0,0 +1,23 @@
+package pl.mperor.lab.spring.api;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+import java.util.stream.IntStream;
+
+class BCryptWorkFactorTest {
+
+    @Test
+    void shouldVerifyBCryptWorkFactorPerformance() {
+        IntStream.rangeClosed(10, 14)
+                .forEach(BCryptWorkFactorTest::generate);
+    }
+
+    private static void generate(int workfactor) {
+        var encoder = new BCryptPasswordEncoder(workfactor);
+        long start = System.currentTimeMillis();
+        encoder.encode("password");
+        long end = System.currentTimeMillis();
+        System.out.println("It took " + (end - start) + "[ms] for workfactor of " + workfactor);
+    }
+}