 framework on the current execution state.</p>
<p>Several observers can be running at the same time, and it is not unusual to have interactions among them. The test_observer::priority member function allows the specification of a particular order among them (lowest priority executed first, except specified otherwise). </p>
<div class="refsect2">
<a name="idp127895072"></a><h3>
<a name="boost.unit_test.test_observerconstruct-copy-destruct"></a><code class="computeroutput">test_observer</code> 
        public