Add unit testes

tests/WeaponDetection/CMakeLists.txt

@@ -0,0 +1,54 @@
+project(WeaponDetection_Tests LANGUAGES CXX)
+
+add_executable(${PROJECT_NAME}
+    WeaponDetectionTest.cpp
+)
+
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
+
+target_compile_definitions(${PROJECT_NAME} PRIVATE
+    WIN32_LEAN_AND_MEAN
+    NOMINMAX
+    $<$<CONFIG:Debug>:_DEBUG>
+    $<$<CONFIG:Release>:NDEBUG>
+)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+    ${TEST_COMMON_DIR}
+    ${ANSLIB_INCLUDE_DIR}
+    ${OPENCV_INCLUDE_DIR}
+    ${CMAKE_SOURCE_DIR}/ANSCustomWeaponDetection
+)
+
+target_link_directories(${PROJECT_NAME} PRIVATE
+    ${ANSLIB_LIB_DIR}
+    ${OPENCV_LIB_DIR}
+)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE
+    gtest
+    gtest_main
+    ANSLIB
+    opencv_world4130
+    ANSCustomWeaponDetection
+)
+
+if(MSVC)
+    target_compile_options(${PROJECT_NAME} PRIVATE /W3 /sdl /permissive-)
+endif()
+
+# Copy required DLLs next to the test executable so Windows can find them
+add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+    # ANSLIB.dll
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        "${ANSLIB_LIB_DIR}/ANSLIB.dll"
+        "$<TARGET_FILE_DIR:${PROJECT_NAME}>"
+    # OpenCV DLL
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        "${OPENCV_BIN_DIR}/opencv_world4130.dll"
+        "$<TARGET_FILE_DIR:${PROJECT_NAME}>"
+    COMMENT "Copying runtime DLLs for ${PROJECT_NAME}"
+)
+
+include(GoogleTest)
+gtest_discover_tests(${PROJECT_NAME} DISCOVERY_MODE PRE_TEST)