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  24 </div>
  25 <div class="section">
  26 <div class="titlepage"><div><div><h4 class="title">
  27 <a name="boost_test.utf_reference.rt_param_reference.list_content"></a><a class="link" href="list_content.html" title="list_content"><code class="computeroutput"><span class="identifier">list_content</span></code></a>
  28 </h4></div></div></div>
  29 <p>
  30           Lists the name of the <a class="link" href="../../section_glossary.html#ref_test_unit">test units</a> contained
  31           in the <a class="link" href="../../section_glossary.html#ref_test_module">test module</a> and exits (no
  32           test is run).
  33         </p>
  34 <p>
  35           This command line parameter accepts an <span class="emphasis"><em>optional</em></span> string
  36           value indicating the format of the output. The framework supports the following
  37           two formats:
  38         </p>
  39 <div class="orderedlist"><ol class="orderedlist" type="1">
  40 <li class="listitem">
  41               HRF (default), standing for <span class="emphasis"><em>Human Readable Format</em></span>,
  42             </li>
  43 <li class="listitem">
  44               DOT, standing for the <a href="http://www.graphviz.org/doc/info/lang.html" target="_top">Graphviz
  45               graph format</a>. This format may be automatically parsed or rendered.
  46             </li>
  47 </ol></div>
  48 <h5>
  49 <a name="boost_test.utf_reference.rt_param_reference.list_content.h0"></a>
  50           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.hrf"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.hrf">HRF</a>
  51         </h5>
  52 <p>
  53           For HRF, the <a class="link" href="../../section_glossary.html#ref_test_tree">test tree</a> (test suites
  54           and test cases) is presented in a tree like form with each test unit name
  55           on a separate line with horizontal indentation in relation to the parent
  56           test suite. In addition, test units which are enabled by default have an
  57           asterisk <code class="computeroutput"><span class="special">*</span></code> next to the test
  58           unit name. For example, the following output:
  59         </p>
  60 <pre class="programlisting"><span class="identifier">testsuite1</span><span class="special">*</span>
  61     <span class="identifier">testcase1</span><span class="special">*</span>
  62     <span class="identifier">testcase2</span>
  63 <span class="identifier">testsuite2</span><span class="special">*</span>
  64     <span class="identifier">testcase3</span><span class="special">*</span>
  65 </pre>
  66 <p>
  67           represents test module consisting of two test suites: <code class="computeroutput"><span class="identifier">testsuite1</span></code>
  68           and <code class="computeroutput"><span class="identifier">testsuite2</span></code>, and three
  69           test cases: <code class="computeroutput"><span class="identifier">testcase1</span></code>,
  70           <code class="computeroutput"><span class="identifier">testcase2</span></code>, and <code class="computeroutput"><span class="identifier">testcase3</span></code>. The formatting reflects the
  71           test-tree: the first two test cases belong to the first test suite and
  72           last one belongs to the second. Out of three test cases only two are enabled
  73           by default: <code class="computeroutput"><span class="identifier">testcase1</span></code> and
  74           <code class="computeroutput"><span class="identifier">testcase3</span></code>. <code class="computeroutput"><span class="identifier">testcase2</span></code> is not enabled by default,
  75           but can be enabled by using the parameter <a class="link" href="run_test.html" title="run_test"><code class="computeroutput"><span class="identifier">run_test</span></code></a>.
  76         </p>
  77 <h5>
  78 <a name="boost_test.utf_reference.rt_param_reference.list_content.h1"></a>
  79           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.dot"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.dot">DOT</a>
  80         </h5>
  81 <p>
  82           DOT output generates a graph representing the module's <a class="link" href="../../section_glossary.html#ref_test_tree">test
  83           tree</a> in a <a href="http://www.graphviz.org/doc/info/lang.html" target="_top">dot
  84           format</a>. This output includes much more information about the test
  85           tree including labels, timeouts, expected failures, and dependencies.
  86         </p>
  87 <p>
  88           The legend is as follow:
  89         </p>
  90 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
  91 <li class="listitem">
  92               the master test suite is represented as an ellipse
  93             </li>
  94 <li class="listitem">
  95               a test unit (suite, case) is in a rounded rectangle
  96             </li>
  97 <li class="listitem">
  98               test unit declaration location, <a class="link" href="../../tests_organization/tests_grouping.html" title="Grouping tests into logical units by labels">labels</a>,
  99               <a class="link" href="../../testing_tools/expected_failures.html" title="Expected failures specification">expected
 100               failures</a>, <a class="link" href="../../testing_tools/timeout.html" title="Time-out for test cases">timeouts</a>
 101               are appended,
 102             </li>
 103 <li class="listitem">
 104               a green box indicates that the test unit that is enabled, otherwise
 105               its color is yellow,
 106             </li>
 107 <li class="listitem">
 108               a plain black arrow goes from a test unit to each of its children,
 109               following the test tree (the arrow pointing to the child),
 110             </li>
 111 <li class="listitem">
 112               a dashed red arrow indicates a runtime dependence on test units, the
 113               arrow pointing to the parent in the dependency graph.
 114             </li>
 115 </ul></div>
 116 <h5>
 117 <a name="boost_test.utf_reference.rt_param_reference.list_content.h2"></a>
 118           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.acceptable_values"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.acceptable_values">Acceptable
 119           values</a>
 120         </h5>
 121 <p>
 122           <a class="link" href="../rt_param_reference.html#enum_param_value">Enumeration</a> names:
 123         </p>
 124 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
 125 <li class="listitem">
 126               <span class="bold"><strong>HRF</strong></span> (default)
 127             </li>
 128 <li class="listitem">
 129               DOT
 130             </li>
 131 </ul></div>
 132 <h5>
 133 <a name="boost_test.utf_reference.rt_param_reference.list_content.h3"></a>
 134           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.command_line_syntax"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.command_line_syntax">Command
 135           line syntax</a>
 136         </h5>
 137 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
 138               <code class="computeroutput"><span class="special">--</span><span class="identifier">list_content</span><span class="special">[=&lt;</span><span class="identifier">format</span><span class="special">&gt;]</span></code>
 139             </li></ul></div>
 140 <h5>
 141 <a name="boost_test.utf_reference.rt_param_reference.list_content.h4"></a>
 142           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.environment_variable"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.environment_variable">Environment
 143           variable</a>
 144         </h5>
 145 <pre class="programlisting"><span class="identifier">BOOST_TEST_LIST_CONTENT</span>
 146 </pre>
 147 <h5>
 148 <a name="boost_test.utf_reference.rt_param_reference.list_content.h5"></a>
 149           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.example"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.example">Example</a>
 150         </h5>
 151 <p>
 152           The following <span class="emphasis"><em>deliberately</em></span> complicated example illustrates
 153           the purpose of the <code class="computeroutput"><span class="special">--</span><span class="identifier">list_content</span></code>
 154           directive. The SVG generated from the produced Graphviz/dot file can be
 155           downloaded <a href="../../../images/boost_runtime_list_content.svg" target="_top">here</a>.
 156         </p>
 157 <h6>
 158 <a name="boost_test.utf_reference.rt_param_reference.list_content.h6"></a>
 159           <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.list_content.example_descr"></a></span><a class="link" href="list_content.html#boost_test.utf_reference.rt_param_reference.list_content.example_descr">Example:
 160           <code class="computeroutput"><span class="special">--</span><span class="identifier">list_content</span></code>
 161           illustration</a>
 162         </h6>
 163 <div class="informaltable"><table class="table">
 164 <colgroup><col></colgroup>
 165 <thead><tr><th>
 166                   <p>
 167                     Code
 168                   </p>
 169                 </th></tr></thead>
 170 <tbody><tr><td>
 171 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="preprocessor">#define</span> <span class="identifier">BOOST_TEST_MODULE</span> <span class="identifier">list_content</span>
 172 <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">test</span><span class="special">/</span><span class="identifier">included</span><span class="special">/</span><span class="identifier">unit_test</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
 173 <span class="keyword">namespace</span> <span class="identifier">utf</span><span class="special">=</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">unit_test</span><span class="special">;</span>
 174
 175 <span class="comment">//// --------------------------------------------------------------------------</span>
 176 <span class="comment">// Test suite 1, disabled by default, s1/test2 is explicitely enabled.</span>
 177 <span class="identifier">BOOST_AUTO_TEST_SUITE</span><span class="special">(</span> <span class="identifier">s1</span><span class="special">,</span>
 178 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">disabled</span><span class="special">()</span>                         <span class="comment">// suite is not disabled because of the</span>
 179 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"disabled suite 1"</span><span class="special">)</span>   <span class="comment">// extra declaration at the end of the file</span>
 180 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">label</span><span class="special">(</span> <span class="string">"label1"</span> <span class="special">)</span>
 181 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">label</span><span class="special">(</span> <span class="string">"label2"</span> <span class="special">))</span>
 182
 183 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test1</span><span class="special">,</span> <span class="comment">// s1/test1</span>
 184 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">enabled</span><span class="special">()</span> <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span><span class="string">"enabled"</span><span class="special">))</span>
 185 <span class="special">{</span>
 186     <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">true</span><span class="special">);</span>
 187 <span class="special">}</span>
 188
 189 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test2</span><span class="special">,</span> <span class="comment">// s1/test2</span>
 190 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"defaulted"</span><span class="special">)</span> <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">expected_failures</span><span class="special">(</span> <span class="number">1</span> <span class="special">))</span>
 191 <span class="special">{</span>
 192     <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
 193 <span class="special">}</span>
 194
 195 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test3</span><span class="special">,</span> <span class="comment">// s1/test3</span>
 196 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"defaulted"</span><span class="special">))</span>
 197 <span class="special">{</span>
 198     <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
 199 <span class="special">}</span>
 200 <span class="identifier">BOOST_AUTO_TEST_SUITE_END</span><span class="special">()</span>
 201
 202
 203 <span class="comment">//// --------------------------------------------------------------------------</span>
 204 <span class="comment">// Test suite 2, disabled by default, s2/test2 is explicitely enabled.</span>
 205 <span class="identifier">BOOST_AUTO_TEST_SUITE</span><span class="special">(</span> <span class="identifier">s2</span><span class="special">,</span>
 206 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">disabled</span><span class="special">()</span>
 207 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">label</span><span class="special">(</span> <span class="string">"label1"</span> <span class="special">)</span>
 208 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">expected_failures</span><span class="special">(</span> <span class="number">3</span> <span class="special">))</span>
 209
 210 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test1</span><span class="special">,</span> <span class="comment">// s2/test1</span>
 211 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"defaulted"</span><span class="special">))</span>
 212 <span class="special">{</span>
 213     <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
 214 <span class="special">}</span>
 215
 216 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">test_tools</span><span class="special">::</span><span class="identifier">assertion_result</span> <span class="identifier">do_it</span><span class="special">(</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">test_unit_id</span> <span class="special">)</span>
 217 <span class="special">{</span>
 218    <span class="keyword">return</span> <span class="keyword">false</span><span class="special">;</span>
 219 <span class="special">}</span>
 220
 221 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test2</span><span class="special">,</span> <span class="comment">// s2/test2</span>
 222 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">enabled</span><span class="special">()</span>
 223 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"enabled w. precondition"</span><span class="special">)</span>
 224 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">precondition</span><span class="special">(</span><span class="identifier">do_it</span><span class="special">))</span>
 225 <span class="special">{</span>
 226   <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
 227 <span class="special">}</span>
 228
 229 <span class="comment">//// --------------------------------------------------------------------------</span>
 230 <span class="comment">// Test suite s2/s23, disabled</span>
 231 <span class="identifier">BOOST_AUTO_TEST_SUITE</span><span class="special">(</span> <span class="identifier">s23</span><span class="special">,</span> <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">disabled</span><span class="special">())</span>
 232
 233 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test1</span> <span class="special">)</span> <span class="comment">// s2/s23/test1</span>
 234 <span class="special">{</span>
 235   <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
 236 <span class="special">}</span>
 237
 238 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test2</span><span class="special">,</span> <span class="comment">// s2/s23/test2</span>
 239 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">timeout</span><span class="special">(</span> <span class="number">10</span> <span class="special">))</span>
 240 <span class="special">{</span>
 241   <span class="identifier">BOOST_TEST</span><span class="special">(</span> <span class="keyword">true</span> <span class="special">);</span>
 242 <span class="special">}</span>
 243
 244 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test3</span><span class="special">,</span> <span class="comment">// s2/s23/test3</span>
 245 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">enabled</span><span class="special">()</span>
 246 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">depends_on</span><span class="special">(</span> <span class="string">"s2/test2"</span> <span class="special">))</span>
 247 <span class="special">{</span>
 248   <span class="identifier">BOOST_TEST</span><span class="special">(</span> <span class="keyword">true</span> <span class="special">);</span>
 249 <span class="special">}</span>
 250 <span class="identifier">BOOST_AUTO_TEST_SUITE_END</span><span class="special">()</span> <span class="comment">// s2/s23</span>
 251 <span class="identifier">BOOST_AUTO_TEST_SUITE_END</span><span class="special">()</span> <span class="comment">// s2</span>
 252
 253
 254
 255 <span class="comment">//// --------------------------------------------------------------------------</span>
 256 <span class="comment">// Test suite s1 continued</span>
 257 <span class="identifier">BOOST_AUTO_TEST_SUITE</span><span class="special">(</span> <span class="identifier">s1</span> <span class="special">)</span>
 258 <span class="identifier">BOOST_AUTO_TEST_SUITE</span><span class="special">(</span> <span class="identifier">s14</span><span class="special">,</span>
 259 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">depends_on</span><span class="special">(</span> <span class="string">"s2/s23/test3"</span> <span class="special">)</span>
 260 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">description</span><span class="special">(</span> <span class="string">"test suite which depends on another test suite"</span><span class="special">))</span>
 261
 262 <span class="identifier">BOOST_AUTO_TEST_CASE</span><span class="special">(</span> <span class="identifier">test1</span><span class="special">,</span> <span class="comment">// s1/s14/test1</span>
 263 <span class="special">*</span> <span class="identifier">utf</span><span class="special">::</span><span class="identifier">depends_on</span><span class="special">(</span> <span class="string">"s2"</span> <span class="special">))</span>
 264 <span class="special">{</span>
 265     <span class="identifier">BOOST_TEST</span><span class="special">(</span> <span class="string">"s14"</span> <span class="special">==</span> <span class="string">"test"</span> <span class="special">);</span>
 266 <span class="special">}</span>
 267
 268 <span class="identifier">BOOST_AUTO_TEST_SUITE_END</span><span class="special">()</span> <span class="comment">// s1/s14</span>
 269 <span class="identifier">BOOST_AUTO_TEST_SUITE_END</span><span class="special">()</span> <span class="comment">// s1</span>
 270 </pre>
 271                 </td></tr></tbody>
 272 </table></div>
 273 <div class="informaltable"><table class="table">
 274 <colgroup><col></colgroup>
 275 <thead><tr><th>
 276                   <p>
 277                     Output
 278                   </p>
 279                 </th></tr></thead>
 280 <tbody><tr><td>
 281 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="special">&gt;</span> <span class="special">./</span><span class="identifier">boost_runtime_list_content</span> <span class="special">--</span><span class="identifier">list_content</span>
 282 <span class="identifier">s1</span><span class="special">*:</span> <span class="identifier">disabled</span> <span class="identifier">suite</span> <span class="number">1</span>
 283     <span class="identifier">test1</span><span class="special">*:</span> <span class="identifier">enabled</span>
 284     <span class="identifier">test2</span> <span class="special">:</span> <span class="identifier">defaulted</span>
 285     <span class="identifier">test3</span> <span class="special">:</span> <span class="identifier">defaulted</span>
 286     <span class="identifier">s14</span> <span class="special">:</span> <span class="identifier">test</span> <span class="identifier">suite</span> <span class="identifier">which</span> <span class="identifier">depends</span> <span class="identifier">on</span> <span class="identifier">another</span> <span class="identifier">test</span> <span class="identifier">suite</span>
 287         <span class="identifier">test1</span>
 288 <span class="identifier">s2</span><span class="special">*</span>
 289     <span class="identifier">test1</span> <span class="special">:</span> <span class="identifier">defaulted</span>
 290     <span class="identifier">test2</span><span class="special">*:</span> <span class="identifier">enabled</span> <span class="identifier">w</span><span class="special">.</span> <span class="identifier">precondition</span>
 291     <span class="identifier">s23</span><span class="special">*</span>
 292         <span class="identifier">test1</span>
 293         <span class="identifier">test2</span>
 294         <span class="identifier">test3</span><span class="special">*</span>
 295 </pre>
 296                 </td></tr></tbody>
 297 </table></div>
 298 <p>
 299           <span class="inlinemediaobject"><img src="../../../images/boost_runtime_list_content.png" width="70%"></span>
 300         </p>
 301 </div>
 302 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 303 <td align="left"></td>
 304 <td align="right"><div class="copyright-footer">Copyright &#169; 2001-2019 Boost.Test
 305       contributors<p>
 306         Distributed under the Boost Software License, Version 1.0. (See accompanying
 307         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>)
 308       </p>
 309 </div></td>
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