class="phrase"><a name="boost_test.testing_tools.reports.failure_message_why"></a></span><a class="link" href="reports.html#boost_test.testing_tools.reports.failure_message_why">Failure message,
        why?</a>
      </h4>
<p>
        When an assertion fails, a message is logged containing:
      </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
            the body of the statement that failed
          </li>
<li class="listitem">
            th