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- <a name="boost_test.test_output.log_formats.test_log_output"></a><a class="link" href="test_log_output.html" title="Test log output">Test
- log output</a>
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- <p>
- The test log is produced during the test execution. All entries in the
- test log are assigned a particular log level. Only the entries with level
- that exceeds the <span class="emphasis"><em>active log level threshold</em></span> actually
- appear in the test log output. Log levels are arranged by the 'importance'
- of the log entries. Here is the list of all levels in order of increasing
- 'importance':
- </p>
- <a name="test_log_output_table"></a><div class="table">
- <a name="boost_test.test_output.log_formats.test_log_output.id_messages"></a><p class="title"><b>Table 4. Messages</b></p>
- <div class="table-contents"><table class="table" summary="Messages">
- <colgroup>
- <col>
- <col>
- </colgroup>
- <thead><tr>
- <th>
- <p>
- Notifications
- </p>
- </th>
- <th>
- <p>
- Meaning
- </p>
- </th>
- </tr></thead>
- <tbody>
- <tr>
- <td>
- <p>
- Success
- </p>
- </td>
- <td>
- <p>
- This category includes messages that provide information on successfully
- passed assertions
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Test tree traversal
- </p>
- </td>
- <td>
- <p>
- This category includes messages that are produced by the <span class="emphasis"><em>Unit
- Test Framework</em></span> core and indicate which test suites/cases
- are currently being executed or skipped
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- General information
- </p>
- </td>
- <td>
- <p>
- This category includes general information messages produced
- in most cases by a test module author using the macro <a class="link" href="../../utf_reference/testout_reference/test_output_macro_message.html" title="BOOST_TEST_MESSAGE"><code class="computeroutput"><span class="identifier">BOOST_TEST_MESSAGE</span></code></a>
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Warning
- </p>
- </td>
- <td>
- <p>
- This category includes messages produced by failed <code class="computeroutput"><span class="identifier">WARNING</span></code> level assertions
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Non fatal error
- </p>
- </td>
- <td>
- <p>
- This category includes messages produced by failed <code class="computeroutput"><span class="identifier">CHECK</span></code> level assertions
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Uncaught C++ exceptions
- </p>
- </td>
- <td>
- <p>
- This category includes messages that are produced by the <span class="emphasis"><em>Unit
- Test Framework</em></span> and provide detailed information on
- the C++ exceptions uncaught by the test case body.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Non-fatal system error
- </p>
- </td>
- <td>
- <p>
- This category includes messages that are produced by the <span class="emphasis"><em>Unit
- Test Framework</em></span> itself and provides information about
- caught non-fatal system error. For example it includes messages
- produced in the case of test case timeout or if floating point
- values calculation errors are caught.
- </p>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- Fatal system error
- </p>
- </td>
- <td>
- <p>
- This category includes messages produced by failed require level
- assertions and by the <span class="emphasis"><em>Unit Test Framework</em></span>
- itself in case of abnormal test case termination.
- </p>
- </td>
- </tr>
- </tbody>
- </table></div>
- </div>
- <br class="table-break"><div class="note"><table border="0" summary="Note">
- <tr>
- <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td>
- <th align="left">Note</th>
- </tr>
- <tr><td align="left" valign="top"><p>
- The active log level works namely as threshold, not as selector. For
- the given active log level threshold, all test log entries with <span class="emphasis"><em>importance</em></span>
- higher than threshold are enabled and all test log entries with <span class="emphasis"><em>importance</em></span>
- below threshold are disabled.
- </p></td></tr>
- </table></div>
- <p>
- In addition to the levels described above the test log defines two special
- log levels. The current log level can be set to:
- </p>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- All messages<br> If active log level threshold is set to this value,
- all test log entries appear in the output. In practice this is equivalent
- to setting the active log level threshold to <span class="emphasis"><em>success information
- messages</em></span>
- </li>
- <li class="listitem">
- Nothing<br> If the active log level threshold is set to this value,
- none of test log entries appear in the output. This log level is used
- to execute a <span class="emphasis"><em>silent</em></span> test that doesn't produce
- any test log and only generates a result code indicating whether test
- failed or passed.
- </li>
- </ul></div>
- </div>
- <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
- <td align="left"></td>
- <td align="right"><div class="copyright-footer">Copyright © 2001-2019 Boost.Test
- contributors<p>
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- 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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