添加googletest

CMakeLists.txt

@@ -1,30 +1,41 @@
 cmake_minimum_required(VERSION 3.30)
-project(leetcode C)
+project(leetcode C CXX)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 include_directories(include)
 
+include(FetchContent)
+
 add_compile_options(
-    -Wall
-    -Wextra
-    -O0
-    -g3
-    -fsanitize=address
-    -fsanitize=undefined
-    -fno-omit-frame-pointer
+        -Wall
+        -Wextra
+        -O0
+        -g3
+        -fsanitize=address
+        -fsanitize=undefined
+        -fno-omit-frame-pointer
 )
 
 add_link_options(
-    -fsanitize=address
-    -fsanitize=undefined
+        -fsanitize=address
+        -fsanitize=undefined
 )
 
+FetchContent_Declare(
+        googletest
+        URL https://github.com/google/googletest/releases/download/v1.15.2/googletest-1.15.2.tar.gz
+        URL_HASH MD5=7e11f6cfcf6498324ac82d567dcb891e
+)
+
+FetchContent_MakeAvailable(googletest)
+
 file(GLOB SRC_FILES "src/*.c")
 
-foreach(SRC_FILE ${SRC_FILES})
+foreach (SRC_FILE ${SRC_FILES})
     get_filename_component(EXE_NAME ${SRC_FILE} NAME_WE)
     add_executable(${EXE_NAME} ${SRC_FILE})
-endforeach()
+endforeach ()
 
+add_subdirectory(tests)