ss="n">ALL_TESTS</span></code> (run all tests for all files)</li>
  <li><code class="language-c++ highlighter-rouge"><span class="n">SELECTED_TESTS</span></code> (provide menu for user to select which tests to run)
    <ul>
      <li>The user can enter zero for "no tests", which causes the program to continue with rest of <code class="language-c++ highlighter-rouge"><span class="n">main</span><span class="p">()</span></code></li>
    </ul>
  </li>
</ul>

<h2 id="debugging-a-failing-test">Debugging a failing