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<title>Test module initialization</title>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_test.users_guide.module_initialization"></a><a class="link" href="module_initialization.html" title="Test module initialization">Test module
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initialization</a>
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</h3></div></div></div>
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<div class="toc"><dl class="toc">
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<dt><span class="section"><a href="module_initialization/custom_module_initialisation.html">Custom
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module initialisation</a></span></dt>
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<dt><span class="section"><a href="module_initialization/module_initialisation_automated.html">Automated
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generation</a></span></dt>
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</dl></div>
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<p>
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As explained in the introductory material, the <span class="emphasis"><em>module initialization</em></span>
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part of the <span class="emphasis"><em>UTF</em></span> prepares the test module for execution,
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including:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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the construction of the test tree
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</li>
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<li class="listitem">
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some optional custom initialisations
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</li>
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</ul></div>
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<div class="caution"><table border="0" summary="Caution">
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<tr>
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<td rowspan="2" align="center" valign="top" width="25"><img alt="[Caution]" src="../../../../../../../doc/src/images/caution.png"></td>
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<th align="left">Caution</th>
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</tr>
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<tr><td align="left" valign="top">
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<p>
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The elementary question one should ask himself is the following:
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</p>
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<div class="blockquote"><blockquote class="blockquote"><p>
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<span class="quote">“<span class="quote">Is there really a need for implementing the module initialisation
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by yourself?</span>”</span>
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</p></blockquote></div>
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</td></tr>
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</table></div>
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<p>
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The argument against the implementation of a custom <span class="emphasis"><em>module initialization</em></span>
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are the following:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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The test tree can be easily and efficiently constructed automatically
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(covered in details in <a class="link" href="../tests_organization.html" title="Registering, generating and organizing the unit tests">this</a>
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section).
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</li>
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<li class="listitem">
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<span class="emphasis"><em>UTF</em></span> also provides means to <a class="link" href="../tests_organization/test_organization_test_suite/master_test_suite.html#ref_BOOST_TEST_MODULE">rename</a>
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the <span class="emphasis"><em>master test suite</em></span>.
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</li>
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<li class="listitem">
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Most of the command line parameters, except the ones used by the <span class="emphasis"><em>UTF</em></span>,
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may be accessed through the <span class="emphasis"><em>master test suite</em></span>
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</li>
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<li class="listitem">
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<a class="link" href="../tests_organization/fixtures/global_fixture.html#ref_fixture_test_global">Global fixtures</a> may provide
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<span class="emphasis"><em>states</em></span> that can be accessed during the lifetime
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of the tests, with proper and controlled initialization and release.
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This approach covers several use case that might need the tweaking of
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the initialization functions, adding the robustness of the <span class="emphasis"><em>UTF</em></span>
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in the initialization and release themselves.
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</li>
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<li class="listitem">
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If the test module is old and the need for <span class="emphasis"><em>module initialization</em></span>
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is just driven by legacy code, then considering updating this part might
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be a good choice.
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</li>
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</ul></div>
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<p>
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From the points above, if the need for <span class="emphasis"><em>module initialization</em></span>
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is not there anymore, then you may jump directly to the <a class="link" href="module_initialization/module_initialisation_automated.html" title="Automated generation">automated
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section</a> directly.
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</p>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2014 Gennadiy
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Rozental<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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