C++-test.md

@@ -67,10 +67,22 @@ Every available test in these modules will be compiled, stored in `<path_to_aidg
 
 Once the test binary file has been created with the latest command, you can run it or select and run individual unit-tests with optional flags to alter the output.
 
-- Select individual TEST_CASE using their user-defined tags
+### Select a given test case 
+Select individual TEST_CASE using their user-defined tags
 ```bash
 <path_to_bin>/tests_<module_name> [tag1][tag34]
 ```
+or with wildcards of their names (example with the `Unfold` operator) :
+```bash
+<path_to_bin>/tests_<module_name> [tag1][tag34] *nfold*
+```
+### Select a given section within the test_case
+```bash
+<path_to_bin>/tests_<module_name> *nfold* -c "section1" -c "subsection1.1"
+```
+> :warning: You need to write the whole path to the subsection you want, just giving `-c "subsection1.1"`
+
+### Tips & tricks
 - Specify a seed for the random sumber generator ([here](https://github.com/catchorg/Catch2/blob/devel/docs/command-line.md#specify-a-seed-for-the-random-number-generator))
 - Time your functions with the [BENCHMARK macro](https://github.com/catchorg/Catch2/blob/devel/docs/benchmarks.md)