# Execute the test. $TEST is set to the output of cmd
    )
    </code>
  </pre>

  <p>
    In this example, this rule will generate <code class="code">test</code>, a
    binary containing our compiled tests. We then execute this in test_cmd. The
    test output is piped to <code class="code">test.results</code> as defined by
    the <code class="code">$RESULTS_FILE</code> variable.
  </p>

  <p>
    For more information on testing in general, see
    <a class="copy-link" href="/tests.html">Testing with Ple