Coverage added (fixes #24).

CMakeLists.txt

@@ -5,6 +5,8 @@ message(STATUS "~~~ ${PROJECT_NAME} v${PROJECT_VERSION} ~~~")
 
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 option(UNITTEST "Build Unit Tests" ON)
+option(COVERAGE "Enable Coverage" OFF)
+message(STATUS "Coverage : ${COVERAGE}")
 
 
 if( CMAKE_BUILD_TYPE )
@@ -14,6 +16,11 @@ else()
 endif()
 
 
+if( COVERAGE )
+    include(Coverage)
+endif()
+
+
 add_compile_options(-Wall
                     -Wextra
                     -pedantic
@@ -39,7 +46,6 @@ if( UNITTEST )
     add_subdirectory("test")
 endif()
 
-
 include(Install)
 
 

cmake/Coverage.cmake

@@ -0,0 +1,57 @@
+
+# Find Lcov tools
+find_program(LCOV lcov DOC "LCov")
+find_program(LCOV_GENHTML genhtml DOC "LCov GenHtml" HINTS ${LCOV}/..)
+
+if( NOT LCOV OR NOT LCOV_GENHTML )
+    message(SEND_ERROR "LCov tools not found")
+endif()
+
+
+# Files and folders
+set(COV_DIR "${CMAKE_BINARY_DIR}/coverage")
+set(COV_FILE "${COV_DIR}/${PROJECT_NAME}.info")
+
+if( NOT EXISTS ${COV_DIR} )
+    file(MAKE_DIRECTORY ${COV_DIR})
+endif()
+
+
+# Compiler flags
+set(flag --coverage)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
+
+
+set(INPUT_DIR "${CMAKE_SOURCE_DIR}")
+
+# Make targets
+add_custom_target(coverage-clean ${CMAKE_COMMAND} -E make_directory ${COV_DIR}
+                                COMMAND ${LCOV}
+                                --directory ${INPUT_DIR}
+                                --zerocounters
+
+                                WORKING_DIRECTORY ${COV_DIR}
+                                COMMENT "Zerocounter coverage data"
+                                VERBATIM
+                                )
+
+add_custom_target(coverage ${CMAKE_COMMAND} -E make_directory ${COV_DIR}
+                                COMMAND ${LCOV}
+                                --capture
+                                --directory ${INPUT_DIR}
+                                --output-file ${COV_FILE}
+                                --no-external
+
+                                COMMAND ${LCOV}
+                                --remove ${COV_FILE} "*/test/*"
+                                --remove ${COV_FILE} "*/generated/*"
+                                --output-file ${COV_FILE}
+
+                                COMMAND ${LCOV_GENHTML} --legend ${COV_FILE}
+
+                                WORKING_DIRECTORY ${COV_DIR}
+                                COMMENT "Generate coverage data"
+                                VERBATIM
+                                )
+