添加单元测试

test/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.16)
+project(Transmission)
+
+set(CMAKE_CXX_STANDARD 20)
+
+add_executable(Test
+        test_main.cpp
+)
+
+include_directories(../src)
+
+enable_testing()
+find_package(GTest REQUIRED)
+target_link_libraries(Test PRIVATE GTest::GTest GTest::Main Transmission absl_log_internal_check_op absl_log_internal_message)
+set(GTEST_LIB gtest gtest_main)
+add_test(NAME Test COMMAND Test)