test_naming.html 7.8 KB

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  26. <div class="titlepage"><div><div><h4 class="title">
  27. <a name="boost_test.tests_organization.test_tree.test_naming"></a><a class="link" href="test_naming.html" title="Tests naming">Tests
  28. naming</a>
  29. </h4></div></div></div>
  30. <h3>
  31. <a name="boost_test.tests_organization.test_tree.test_naming.h0"></a>
  32. <span class="phrase"><a name="boost_test.tests_organization.test_tree.test_naming.acceptable_characters_for_names"></a></span><a class="link" href="test_naming.html#boost_test.tests_organization.test_tree.test_naming.acceptable_characters_for_names">Acceptable
  33. characters for names</a>
  34. </h3>
  35. <p>
  36. The <span class="emphasis"><em>Unit Test Framework</em></span> is flexible on the naming
  37. the test units (test cases/suites) and it is possible to use a wide variety
  38. of characters. However there are scenarios where the name of a test unit
  39. may collide with other features of the <span class="emphasis"><em>Unit Test Framework</em></span>.
  40. For instance:
  41. </p>
  42. <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
  43. <li class="listitem">
  44. a character may collide with specific command line filters for selecting
  45. a subset of the test tree. Among those characters: <code class="computeroutput"><span class="char">'@'</span></code>,
  46. <code class="computeroutput"><span class="char">'+'</span></code> or <code class="computeroutput"><span class="char">'/'</span></code>
  47. (see <a class="link" href="../../runtime_config/test_unit_filtering.html" title="Test unit filtering">this
  48. section</a> for more details)
  49. </li>
  50. <li class="listitem">
  51. a name containing a character that is reserved for the shell/terminal,
  52. such as '!', '*' ..., may prevent the test name to be passed on the
  53. command line <span class="bold"><strong>as is</strong></span>.
  54. </li>
  55. </ul></div>
  56. <p>
  57. To prevent any conflicting declaration, the <span class="emphasis"><em>Unit Test Framework</em></span>
  58. <span class="bold"><strong>sanitizes</strong></span> the name given to a test unit
  59. (case or suite), prior to adding the test to the test tree. Any conflicting
  60. character is replaced by an underscore <code class="computeroutput"><span class="char">'_'</span></code>.
  61. </p>
  62. <div class="note"><table border="0" summary="Note">
  63. <tr>
  64. <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td>
  65. <th align="left">Note</th>
  66. </tr>
  67. <tr><td align="left" valign="top"><p>
  68. <span class="bold"><strong>Spaces</strong></span> are not considered as <span class="emphasis"><em>special
  69. chars</em></span> and are preserved, except for the leading and trailing
  70. spaces which are removed.
  71. </p></td></tr>
  72. </table></div>
  73. <div class="note"><table border="0" summary="Note">
  74. <tr>
  75. <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td>
  76. <th align="left">Note</th>
  77. </tr>
  78. <tr><td align="left" valign="top"><p>
  79. The sanitization of the test unit names has been introduced in <a class="link" href="../../change_log.html#ref_CHANGE_LOG_3_7">Boost 1.67</a>.
  80. </p></td></tr>
  81. </table></div>
  82. <h3>
  83. <a name="boost_test.tests_organization.test_tree.test_naming.h1"></a>
  84. <span class="phrase"><a name="boost_test.tests_organization.test_tree.test_naming.constraints_on_test_names"></a></span><a class="link" href="test_naming.html#boost_test.tests_organization.test_tree.test_naming.constraints_on_test_names">Constraints
  85. on test names</a>
  86. </h3>
  87. <p>
  88. The <span class="emphasis"><em>Unit Test Framework</em></span> considers an error if two
  89. sibling test cases have the same name. This consistency check is performed
  90. at runtime and is not sensitive to test filtering.
  91. </p>
  92. <p>
  93. For test-cases registered automatically, and within the same compilation
  94. unit, a compilation error should be raised by the compiler in case of name
  95. conflict. For manual registration of test cases and in case of conflicts,
  96. the too <a class="link" href="../../utf_reference/test_org_reference/test_org_boost_test_case.html" title="BOOST_TEST_CASE and BOOST_TEST_CASE_NAME"><code class="computeroutput"><span class="identifier">BOOST_TEST_CASE_NAME</span></code></a> may be used.
  97. </p>
  98. <p>
  99. The data driven tests are automatically created in an isolated test-suite
  100. and with a name that is indexed on the sample.
  101. </p>
  102. <div class="note"><table border="0" summary="Note">
  103. <tr>
  104. <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td>
  105. <th align="left">Note</th>
  106. </tr>
  107. <tr><td align="left" valign="top"><p>
  108. This constraints does not apply to test-suites: Opening/closing a test-suite
  109. declaration adds the test-cases to an existing or newly created test-suite
  110. of that name.
  111. </p></td></tr>
  112. </table></div>
  113. </div>
  114. <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  115. <td align="left"></td>
  116. <td align="right"><div class="copyright-footer">Copyright &#169; 2001-2019 Boost.Test
  117. contributors<p>
  118. Distributed under the Boost Software License, Version 1.0. (See accompanying
  119. 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>)
  120. </p>
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