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open source linter and code coverage for C/C++

A poor man C/C++ linter and code coverage (gtests)

C/C++ Linter:

Cppcheck

apt-get install cppcheck

cppcheck –enable=all /your_cpp_source_dir

 

Test Code coverage : gcov/lcov

g++ -o main –fprofile-arcs -ftest-coverage main_test.cpp -L /usr/lib -I/usr/include

./main

gcov main_test.cpp

lcov –coverage –directory . –output-file main_coverage.info

genhtml main_coverage.info –output-directory out

 

https://medium.com/@naveen.maltesh/generating-code-coverage-report-using-gnu-gcov-lcov-ee54a4de3f11

https://dr-kino.github.io/2019/12/22/test-coverage-using-gtest-gcov-and-lcov/

 

CMake and code coverage

for: https://github.com/pyarmak/cmake-gtest-coverage-example

if (CMAKE_BUILD_TYPE MATCHES Debug)
if (CodeCoverage MATCHES ON)
include(CodeCoverage)
setup_target_for_coverage(${PROJECT_NAME}_coverage poptests coverage)
setup_target_for_coverage_cobertura(test_coverage ctest coverage)

endif()
endif()

Or for https://github.com/bilke/cmake-modules/blob/master/CodeCoverage.cmake

if (CMAKE_BUILD_TYPE MATCHES Debug)
if (CodeCoverage MATCHES ON)
include(CodeCoverage)

 APPEND_COVERAGE_COMPILER_FLAGS()
setup_target_for_coverage_lcov(
NAME test_coverage
EXECUTABLE ctest   # for test aded by cmake’s add_test
EXCLUDE “${PROJECT_SOURCE_DIR}/src/dir1/*” “/path/to/my/src/dir2/*”)

endif()
endif()

Then:

mkdir -p test_coverage
cd test_coverage
cmake .. -DMAKE_BUILD_TYPE=Debug -DCodeCoverage=ON
make test_coverage
It should genreate lcov html coverage files

Other Docs:

https://stackoverflow.com/questions/52255589/code-coverage-analysis-using-codecoverage-cmake-with-multiple-targets

 

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