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<div class="titlepage"><div><div><h4 class="title">
<a name="boost_test.utf_reference.testing_tool_ref.decorator_timeout"></a><a class="link" href="decorator_timeout.html" title="timeout (decorator)">timeout
        (decorator)</a>
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<pre class="programlisting"><span class="identifier">timeout</span><span class="special">(</span><span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">seconds</span><span class="special">);</span>
</pre>
<p>
          Specifies a time-out for a <span class="bold"><strong>test-case</strong></span> or
          a <span class="bold"><strong>test-suite</strong></span>, in wall-clock time.
        </p>
<p>
          If a test-case lasts longer than the timeout, the test is flagged as failed.
          On some systems (see below), the test-case is forced to stop.
        </p>
<p>
          For test-suites, the mechanism is similar: every test-unit under the test-suite
          is allocated a maximum duration time that is the remainder of the timeout
          after the previous tests have been executed. If a timeout occurs during
          the execution of the suite, the suite is flagged as timed-out and the remaining
          test-units are skipped.
        </p>
<p>
          See <a class="link" href="../../testing_tools/timeout.html" title="Time-out for test cases">here</a> for more
          details.
        </p>
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<tr><td align="left" valign="top"><p>
            The macro <code class="computeroutput"><span class="identifier">BOOST_SIGACTION_BASED_SIGNAL_HANDLING</span></code>
            is defined if Boost.Test is able to force the test-case to stop.
          </p></td></tr>
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<tr><td align="left" valign="top"><p>
            The support for test suites has been added in <a class="link" href="../../change_log.html#ref_CHANGE_LOG_3_10">Boost
            1.70 / <span class="emphasis"><em>Unit Test Framework</em></span> v3.10</a>
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