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- <a name="boost_test.utf_reference.rt_param_reference.save_pattern"></a><a class="link" href="save_pattern.html" title="save_pattern"><code class="computeroutput"><span class="identifier">save_pattern</span></code></a>
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- <p>
- Option <span class="emphasis"><em>save_pattern</em></span> facilitates switching mode of
- operation for testing output streams. See <a class="link" href="../../testing_tools/output_stream_testing.html" title="Output streams testing tool">output
- test stream</a> section for details on these tests.
- </p>
- <p>
- This parameter serves no particular purpose within the framework itself.
- It can be used by test modules relying on <code class="computeroutput"><a class="link" href="../../../boost/test_tools/output_test_stream.html" title="Class output_test_stream">boost::test_tools::output_test_stream</a></code>
- to implement testing logic. It has two modes of operation:
- </p>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- save the pattern file (true).
- </li>
- <li class="listitem">
- and match against a previously stored pattern file (false).
- </li>
- </ul></div>
- <p>
- Default mode is 'match' (false).
- </p>
- <p>
- You can use this parameter to switch between these modes, by passing the
- parameter value to the <code class="computeroutput"><span class="identifier">output_test_stream</span></code>
- constructor. The value of the command line parameter is available using
- call like this:
- </p>
- <pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">is_save_pattern_flag_set</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">unit_test</span><span class="special">::</span><span class="identifier">runtime_config</span><span class="special">::</span><span class="identifier">save_pattern</span><span class="special">();</span>
- </pre>
- <h5>
- <a name="boost_test.utf_reference.rt_param_reference.save_pattern.h0"></a>
- <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.save_pattern.acceptable_values"></a></span><a class="link" href="save_pattern.html#boost_test.utf_reference.rt_param_reference.save_pattern.acceptable_values">Acceptable
- values</a>
- </h5>
- <p>
- <a class="link" href="../rt_param_reference.html#boolean_param_value">Boolean</a> with default value
- <span class="bold"><strong>no</strong></span>.
- </p>
- <h5>
- <a name="boost_test.utf_reference.rt_param_reference.save_pattern.h1"></a>
- <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.save_pattern.command_line_syntax"></a></span><a class="link" href="save_pattern.html#boost_test.utf_reference.rt_param_reference.save_pattern.command_line_syntax">Command
- line syntax</a>
- </h5>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
- <code class="computeroutput"><span class="special">--</span><span class="identifier">save_pattern</span><span class="special">[=<</span><span class="identifier">boolean</span>
- <span class="identifier">value</span><span class="special">>]</span></code>
- </li></ul></div>
- <h5>
- <a name="boost_test.utf_reference.rt_param_reference.save_pattern.h2"></a>
- <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.save_pattern.environment_variable"></a></span><a class="link" href="save_pattern.html#boost_test.utf_reference.rt_param_reference.save_pattern.environment_variable">Environment
- variable</a>
- </h5>
- <pre class="programlisting"><span class="identifier">BOOST_TEST_SAVE_PATTERN</span>
- </pre>
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