esp-idf/components/esp_rom/host_test/rom_test/README.md

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| Supported Targets | Linux |
| ----------------- | ----- |
# Simplest rom test on Linux target
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`.
## Run
IDF monitor doesn't work yet for Linux. You have to run the app manually:
```bash
./build/test_rom_host.elf
```
## Example Output
Ideally, all tests pass, which is indicated by "All tests passed" in the last line:
```bash
$ ./build/test_rom_host.elf
test
===============================================================================
All tests passed (8 assertions in 6 test cases)
```