_TEST_INFO</span></code> can be
          used to define an error message to be bound to the first following assertion.
          If (and only if) the assertion fails, the bound message will be displayed
          along:
        </p>
<h6>
<a name="boost_test.test_output.test_tools_support_for_logging.contexts.h1"></a>
          <span class="phrase"><a name="boost_test.test_output.test_tools_support_for_logging.contexts.example_descr"></a></span><a class="link" href="contexts.html#boost_test.test_output.test