diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab30810..bad8ad1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,8 @@
 cmake_minimum_required(VERSION 3.20)
-project(arraylist VERSION 1.0 LANGUAGES C)
+project(
+  arraylist
+  VERSION 1.0
+  LANGUAGES C)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
@@ -7,42 +10,41 @@ set(CMAKE_C_STANDARD_REQUIRED ON)
 # clangd
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+# ------------------------------------------------
+# Detectar si este proyecto es el principal
+# ------------------------------------------------
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+  set(ARRAYLIST_IS_TOP_LEVEL ON)
+else()
+  set(ARRAYLIST_IS_TOP_LEVEL OFF)
+endif()
+
 # Opciones
-option(ARRAYLIST_BUILD_TESTS "Build arraylist tests" ON)
+option(ARRAYLIST_BUILD_TESTS "Build arraylist tests" ${ARRAYLIST_IS_TOP_LEVEL})
 option(ARRAYLIST_ENABLE_SANITIZERS "Enable sanitizers for tests" ON)
 
 # ------------------------
 # Library
 # ------------------------
-add_library(arraylist
-    src/arraylist.c
-)
+add_library(arraylist src/arraylist.c)
 
-target_include_directories(arraylist
-    PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-        $<INSTALL_INTERFACE:include>
-)
+target_include_directories(
+  arraylist PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+                   $<INSTALL_INTERFACE:include>)
 
-target_compile_options(arraylist PRIVATE
-    -Wall
-    -Wextra
-    -Wpedantic
-)
+target_compile_options(arraylist PRIVATE -Wall -Wextra -Wpedantic)
 
 # ------------------------
 # Example (opcional)
 # ------------------------
 add_executable(arraylist_example src/main.c)
 
-target_link_libraries(arraylist_example
-    arraylist
-)
+target_link_libraries(arraylist_example arraylist)
 
 # ------------------------
 # Testing
 # ------------------------
 if(ARRAYLIST_BUILD_TESTS)
-    enable_testing()
-    add_subdirectory(test)
+  enable_testing()
+  add_subdirectory(test)
 endif()