1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Test module runner</title> 5<link rel="stylesheet" href="../../boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Boost.Test"> 8<link rel="up" href="../adv_scenarios.html" title="Advanced Usage Scenarios"> 9<link rel="prev" href="test_module_init_overview.html" title="Test module's initialization"> 10<link rel="next" href="single_header_customizations.html" title="Header-only variant customizations"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="test_module_init_overview.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../adv_scenarios.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="single_header_customizations.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h3 class="title"> 27<a name="boost_test.adv_scenarios.test_module_runner_overview"></a><a class="link" href="test_module_runner_overview.html" title="Test module runner">Test 28 module runner</a> 29</h3></div></div></div> 30<p> 31 A <span class="emphasis"><em>test module runner</em></span> is an <span class="emphasis"><em>orchestrator</em></span> 32 or a <span class="emphasis"><em>driver</em></span> that, given the test tree, ensures the test 33 tree is initialized, tests are executed and necessary reports generated. 34 It performs the following operations: 35 </p> 36<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 37<li class="listitem"> 38 initialize the test module using the supplied <a class="link" href="test_module_init_overview.html" title="Test module's initialization"><span class="emphasis"><em>initialization 39 function</em></span></a>; 40 </li> 41<li class="listitem"> 42 select output media for the test log and the test results report; 43 </li> 44<li class="listitem"> 45 execute test cases as specified by run-time parameters; 46 </li> 47<li class="listitem"> 48 produce the test results report; 49 </li> 50<li class="listitem"> 51 generate the appropriate return code. 52 </li> 53</ul></div> 54<p> 55 The <span class="emphasis"><em>Unit Test Framework</em></span> comes with the default test 56 runner. There is no need to call it explicitly. The default generated test 57 module's <a class="link" href="entry_point_overview.html" title="Test module's entry point">entry 58 point</a> invokes the default test runner. The default test runner is 59 declared with the following signature: 60 </p> 61<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> <span class="keyword">namespace</span> <span class="identifier">unit_test</span> <span class="special">{</span> 62 63 <span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="special">(*</span><span class="identifier">init_unit_test_func</span><span class="special">)();</span> 64 65 <span class="keyword">int</span> <span class="identifier">unit_test_main</span><span class="special">(</span> <span class="identifier">init_unit_test_func</span> <span class="identifier">init_func</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">argc</span><span class="special">,</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">argv</span><span class="special">[]</span> <span class="special">);</span> 66 67<span class="special">}</span> <span class="special">}</span> 68</pre> 69<p> 70 The test runner may return one of the following values: 71 </p> 72<div class="informaltable"><table class="table"> 73<colgroup> 74<col> 75<col> 76</colgroup> 77<thead><tr> 78<th> 79 <p> 80 Value 81 </p> 82 </th> 83<th> 84 <p> 85 Meaning 86 </p> 87 </th> 88</tr></thead> 89<tbody> 90<tr> 91<td> 92 <p> 93 <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_success</span></code> 94 </p> 95 </td> 96<td> 97 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 98<li class="listitem"> 99 No errors occurred during testing, or 100 </li> 101<li class="listitem"> 102 the success result was forced with command-line argument <code class="computeroutput"><span class="special">--[</span><span class="identifier">link</span> 103 <span class="identifier">boost_test</span><span class="special">.</span><span class="identifier">utf_reference</span><span class="special">.</span><span class="identifier">rt_param_reference</span><span class="special">.</span><span class="identifier">result_code</span> </code>result_code<code class="computeroutput"><span class="special">]=</span><span class="identifier">no</span></code>. 104 </li> 105</ul></div> 106 </td> 107</tr> 108<tr> 109<td> 110 <p> 111 <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_test_failure</span></code> 112 </p> 113 </td> 114<td> 115 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 116<li class="listitem"> 117 Non-fatal errors detected and no uncaught exceptions were thrown 118 during testing, or 119 </li> 120<li class="listitem"> 121 the initialization of the <span class="emphasis"><em>Unit Test Framework</em></span> 122 failed. 123 </li> 124</ul></div> 125 </td> 126</tr> 127<tr> 128<td> 129 <p> 130 <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_exception_failure</span></code> 131 </p> 132 </td> 133<td> 134 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 135<li class="listitem"> 136 Fatal errors were detected, or 137 </li> 138<li class="listitem"> 139 uncaught exceptions thrown during testing. 140 </li> 141</ul></div> 142 </td> 143</tr> 144</tbody> 145</table></div> 146<p> 147 An advanced test runner may provide additional features, including interactive 148 GUI interfaces, test coverage and profiling support. 149 </p> 150</div> 151<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 152<td align="left"></td> 153<td align="right"><div class="copyright-footer">Copyright © 2001-2020 Boost.Test contributors<p> 154 Distributed under the Boost Software License, Version 1.0. (See accompanying 155 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>) 156 </p> 157</div></td> 158</tr></table> 159<hr> 160<div class="spirit-nav"> 161<a accesskey="p" href="test_module_init_overview.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../adv_scenarios.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="single_header_customizations.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 162</div> 163</body> 164</html> 165