test: add structure & framework for writing tests

README.md

@@ -13,6 +13,21 @@ Currently it contains the following:
 
 ## Development
 
+### Compilation
+
+Everything is handled by the provided Makefile. To compile the static library,
+simply run `make`.
+
+### Testing
+
+This library uses [Acutest](https://github.com/mity/acutest) for its tests.
+Tests should be placed in the `test` subdirectory, further divided into
+directories that correspond those in `src`. Test files should begin with
+`test_`, and their format should follow the expected format for Acutest.
+
+To run the tests, simply run `make test`. If you wish to only run a specific
+test binary, you can find them in `build/test`.
+
 ### `compile_commands.json`
 
 Clangd requires a `compile_commands.json` to function properly. You can
@@ -21,6 +36,7 @@ generate it using [bear](https://github.com/rizsotto/Bear):
 ```sh
 make clean
 bear -- make
+bear --append -- make build-test
 ```
 
 This will create a `compile_commands.json` file in the current directory.