cesium-native/doc/coverage.md

Code Coverage

You can generate code coverage for the project by running the cesium-native-tests-coverage target and then opening index.html inside build/cesium-native-tests-coverage. This is useful for ensuring that new code is covered by tests. Note that this target will only be defined if:

• The project is not being used as git submodule
• The active compiler in CMake is g++
• gcovr is installed and located in your program path.

If these requirements are all met, the cesium-native-tests-coverage target should be available. You can also use the CMake Extension for VSCode to run the coverage easily. Just run this target: