Add testframework and start bash completion. Not functional yet

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "linklist-lib"]
 	path = linklist-lib
 	url = https://git.shimatta.de/mhu/linklist-lib.git
+[submodule "test/catch2"]
+	path = test/catch2
+	url = https://git.shimatta.de/3rd-party/catch2.git

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.5...3.18)
 
 project(patchelfcrc LANGUAGES C)
 
@@ -91,3 +91,5 @@ else (DOXYGEN_FOUND)
 	message("${BoldMagenta}Doxygen needs to be installed to generate the doxygen documentation${ColorReset}")
 	message("${BoldMagenta}doxygen target will not be available${ColorReset}")
 endif (DOXYGEN_FOUND)
+
+add_subdirectory(test)

bash-completion/patchelfcrc

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+function _patchelfcrc() {
+	echo "Cursor index: $COMP_CWORD"
+	echo "line as array: $COMP_WORDS"
+	echo "line as string: $COMP_LINE" 
+}
+
+complete -F _patchelfcrc patchelfcrc

man/patchelfcrc.1.md

@@ -61,7 +61,7 @@
 : Export the calculated files to an XML file *XMLFILE*.
 
 **--import**=*XMLFILE*
-: Import the CRCs from an XML file *XMLFILE* and do not caclulate anything in the given *ELF*
+: Import the CRCs from an XML file *XMLFILE* and do not calculate anything in the given *ELF*
 
 **--help**, **-h**, **-?**
 : Print help.
@@ -134,7 +134,7 @@
 
 **patchelfcrc** -l -g word --start-magic=0x12345678 --end-magic=0x8754321 -p crc-32-mpeg -f bare -O .outputsection -S .text executable.elf
 : Calculate the CRC over *.text* section and place the result in the *.outputsection* section.
-The output sections start and end are checked for the given magic numbers in order to assure correct memory layout.
+The output sections start and end are checked for the given magic numbers in order to ensure correct memory layout.
 *CRC-32-MPEG* is used as CRC algorithm.
 The memory is interpreted as *little endian* and the CRC calculation granularity is a 32 bit *word*.
 

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)