r">predicate_t</span><span class="special">;</span>

<span class="identifier">precondition</span><span class="special">(</span><span class="identifier">predicate_t</span> <span class="identifier">predicate</span><span class="special">);</span>
</pre>
<p>
          Associates a <span class="emphasis"><em>predicate</em></span> with a test unit that will
          determine its <a class="link" href="../../runtime_config/test_unit_filtering.html#ref_default_run_status"><span class="emphasis"><em>default
       