an class="phrase"><a name="boost_test.section_glossary.test_assertion"></a></span><a class="link" href="section_glossary.html#boost_test.section_glossary.test_assertion">Test
      assertion</a>
    </h4>
<p>
      This is a single binary condition (binary in a sense that is has two outcomes:
      pass and fail) checked by a test module.
    </p>
<p>
      There are different schools of thought on how many test assertions a test case
      should consist of. Two polar positions are the one advocated by TDD