Add testframework and start bash completion. Not functional yet

test/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(patchelfcrc-test LANGUAGES CXX C)
+add_subdirectory(catch2 EXCLUDE_FROM_ALL)
+
+add_custom_target(test "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}" "-r compact" "-s" DEPENDS ${PROJECT_NAME})
+aux_source_directory("src" TEST_SOURCES)
+set(DUT_SOURCES ${CMAKE_CURRENT_LIST_DIR}/../src/crc.c)
+
+add_executable(${PROJECT_NAME} EXCLUDE_FROM_ALL ${TEST_SOURCES} ${DUT_SOURCES})
+target_link_libraries(${PROJECT_NAME} PRIVATE Catch2::Catch2WithMain)