This unit test tests only if some of the supplied Linux functions seem to work correctly. The test framework is CATCH.
## Requirements
* A Linux system
* The usual IDF requirements for Linux system, as described in the [Getting Started Guides](../../../../docs/en/get-started/index.rst).
* The host's gcc/g++
This application has been tested on Ubuntu 20.04 with `gcc` version *9.3.0*.
## Build
First, make sure that the target is set to Linux. Run `idf.py --preview set-target linux` if you are not sure. Then do a normal IDF build: `idf.py build`.