feat: 添加屏幕去重功能并调整测试用例目录结构

tests/backend/CMakeLists.txt

@@ -0,0 +1,19 @@
+set(OUTPUT_UTILS_TEST_APP_NAME "zdwm-output-utils-tests")
+
+add_executable(${OUTPUT_UTILS_TEST_APP_NAME}
+    ${CMAKE_CURRENT_SOURCE_DIR}/output_utils_test.c
+    ${SOURCE_DIR}/backend/output_utils.c
+)
+
+target_include_directories(${OUTPUT_UTILS_TEST_APP_NAME}
+    PRIVATE ${SOURCE_DIR}
+    PRIVATE ${BUILD_DIR}
+)
+
+target_link_libraries(${OUTPUT_UTILS_TEST_APP_NAME}
+    PRIVATE m
+)
+
+add_test(NAME ${OUTPUT_UTILS_TEST_APP_NAME}
+    COMMAND $<TARGET_FILE:${OUTPUT_UTILS_TEST_APP_NAME}>
+)