xpectation_failure</span><span class="special">&lt;</span><span class="keyword">char</span> <span class="keyword">const</span><span class="special">*&gt;</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">x</span><span class="special">)</span>
<span class="special">{</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"expected: "</span><s