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299 lines
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="boost_test.section_faq"></a><a class="link" href="section_faq.html" title="Frequently Asked Questions">Frequently Asked Questions</a>
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</h2></div></div></div>
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<h4>
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<a name="boost_test.section_faq.h0"></a>
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<span class="phrase"><a name="boost_test.section_faq.where_the_latest_version_of_the_"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.where_the_latest_version_of_the_">Where the
|
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latest version of the Boost Test Library is located?</a>
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</h4>
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<p>
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The latest version of Boost Test Library is available online at <a href="http://www.boost.org/libs/test" target="_top">http://www.boost.org/libs/test</a>.
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</p>
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<h4>
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<a name="boost_test.section_faq.h1"></a>
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<span class="phrase"><a name="boost_test.section_faq.i_found_a_bug_where_can_i_report"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.i_found_a_bug_where_can_i_report">I found a
|
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bug. Where can I report it?</a>
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</h4>
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<p>
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You can send a bug report to the boost users' mailing list and/or fill a ticket
|
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here <a href="https://svn.boost.org/trac/boost/" target="_top">https://svn.boost.org/trac/boost/</a>.
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</p>
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<h4>
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<a name="boost_test.section_faq.h2"></a>
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<span class="phrase"><a name="boost_test.section_faq.i_have_a_request_for_a_new_featu"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.i_have_a_request_for_a_new_featu">I have a
|
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request for a new feature. Where can I ask for it?</a>
|
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</h4>
|
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<p>
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You can send a request to the boost developers' mailing list and/or and/or
|
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fill a ticket here <a href="https://svn.boost.org/trac/boost/" target="_top">https://svn.boost.org/trac/boost/</a>.
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</p>
|
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<h4>
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<a name="boost_test.section_faq.h3"></a>
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<span class="phrase"><a name="boost_test.section_faq.how_to_create_test_case_using_th"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.how_to_create_test_case_using_th">How to create
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test case using the Unit Test Framework?</a>
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</h4>
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<p>
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To create a test case, use the macro
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</p>
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<pre class="programlisting"><a class="link" href="utf_reference/test_org_reference/test_org_boost_auto_test_case.html" title="BOOST_AUTO_TEST_CASE"><code class="computeroutput"><span class="identifier">BOOST_AUTO_TEST_CASE</span></code></a><span class="special">(</span> <span class="identifier">test_function</span> <span class="special">);</span>
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</pre>
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<p>
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For more details see the Unit Test Framework <a class="link" href="utf_reference/test_org_reference/test_org_boost_auto_test_case.html" title="BOOST_AUTO_TEST_CASE"><code class="computeroutput"><span class="identifier">BOOST_AUTO_TEST_CASE</span></code></a> documentation.
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</p>
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<h4>
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<a name="boost_test.section_faq.h4"></a>
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<span class="phrase"><a name="boost_test.section_faq.how_to_create_test_suite_using_t"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.how_to_create_test_suite_using_t">How to create
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test suite using the Unit Test Framework?</a>
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</h4>
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<p>
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To create a test suite use the macro
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</p>
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<pre class="programlisting"><a class="link" href="utf_reference/test_org_reference/test_org_boost_auto_test_suite.html" title="BOOST_AUTO_TEST_SUITE"><code class="computeroutput"><span class="identifier">BOOST_AUTO_TEST_SUITE</span></code></a><span class="special">(</span> <span class="identifier">suite_name</span> <span class="special">);</span>
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</pre>
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<p>
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For more details see the Unit Test Framework <a class="link" href="utf_reference/test_org_reference/test_org_boost_auto_test_suite.html" title="BOOST_AUTO_TEST_SUITE"><code class="computeroutput"><span class="identifier">BOOST_AUTO_TEST_SUITE</span></code></a> documentation.
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</p>
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<h4>
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<a name="boost_test.section_faq.h5"></a>
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<span class="phrase"><a name="boost_test.section_faq.why_did_i_get_a_linker_error_whe"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.why_did_i_get_a_linker_error_whe">Why did I
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get a linker error when compiling my test program?</a>
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</h4>
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<p>
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Boost Test Library components provide several usage variants: to create a test
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program you can link with the one of the precompiled library variants or use
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single-header variant. For example, to use Unit Test Framework you may either
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include
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</p>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">test</span><span class="special">/</span><span class="identifier">unit_test</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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<p>
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and link with
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</p>
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<pre class="programlisting"><span class="identifier">libunit_test_framework</span><span class="special">.</span><span class="identifier">lib</span></pre>
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<p>
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or you can include
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</p>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</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">></span>
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</pre>
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<p>
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in which case you should not need to link with any precompiled component. Note
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also that you should strictly follow specification on initialization function
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in other case some compilers may produce linker error like this.
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</p>
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<pre class="programlisting"><span class="identifier">Unresolved</span> <span class="identifier">external</span> <span class="identifier">init_unit_test_suite</span><span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">char</span><span class="special">**).</span>
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</pre>
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<p>
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The reason for this error is that in your implementation you should specify
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second argument of <code class="computeroutput"><span class="identifier">init_unit_test_suite</span></code>
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exactly as in the specification, i.e.: <code class="computeroutput"><span class="keyword">char</span><span class="special">*</span> <span class="special">[]</span></code>.
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</p>
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<h4>
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<a name="boost_test.section_faq.h6"></a>
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<span class="phrase"><a name="boost_test.section_faq.how_can_i_redirect_testing_outpu"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.how_can_i_redirect_testing_outpu">How can I
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redirect testing output?</a>
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</h4>
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<p>
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Use
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</p>
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<pre class="programlisting"><span class="identifier">unit_test_log</span><span class="special">::</span><span class="identifier">instance</span><span class="special">().</span><span class="identifier">set_log_output</span><span class="special">(</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&</span> <span class="special">)</span></pre>
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<p>
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For more details see the <span class="emphasis"><em>Unit Test Framework</em></span> <a class="link" href="testing_tools/output_stream_testing.html" title="Output streams testing tool">output
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test stream</a> documentation.
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</p>
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<h4>
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<a name="boost_test.section_faq.h7"></a>
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<span class="phrase"><a name="boost_test.section_faq.i_want_different_default_log_tra"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.i_want_different_default_log_tra">I want different
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default log trace level</a>
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</h4>
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<p>
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Use environment variable <a class="link" href="utf_reference/rt_param_reference/log_level.html" title="log_level"><code class="computeroutput"><span class="identifier">BOOST_TEST_LOG_LEVEL</span></code></a> to define desired
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log trace level. You still will be able to reset this value from the command
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line. For the list of acceptable values see the <span class="emphasis"><em>Unit Test Framework</em></span>
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<a class="link" href="runtime_config.html" title="Runtime parameters">runtime configuration</a> documentation.
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</p>
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<h4>
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<a name="boost_test.section_faq.h8"></a>
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<span class="phrase"><a name="boost_test.section_faq.is_there_dll_version_of_boost_te"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.is_there_dll_version_of_boost_te">Is there
|
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DLL version of Boost.Test components available on Win32 platform?</a>
|
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</h4>
|
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<p>
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Yes. Starting with Boost 1.34.0.
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</p>
|
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<h4>
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<a name="boost_test.section_faq.h9"></a>
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<span class="phrase"><a name="boost_test.section_faq.how_to_set_up_a_cmake_project_us"></a></span><a class="link" href="section_faq.html#boost_test.section_faq.how_to_set_up_a_cmake_project_us">How to set
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up a CMake project using <span class="emphasis"><em>Unit Test Framework</em></span> (extended)</a>
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</h4>
|
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<p>
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Suppose, you are building a test module from one translation unit <code class="computeroutput"><span class="identifier">test_file</span><span class="special">.</span><span class="identifier">cpp</span></code>. First, let's do it using the <a class="link" href="usage_variants.html#boost_test.usage_variants.single_header">single-header
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usage variant</a> of the <span class="emphasis"><em>Unit Test Framework</em></span>.
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</p>
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<p>
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Let's paste the following content in a <code class="computeroutput"><span class="identifier">CMakeLists</span><span class="special">.</span><span class="identifier">txt</span></code> at the
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same location than our test file <code class="computeroutput"><span class="identifier">test_file</span><span class="special">.</span><span class="identifier">cpp</span></code>:
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</p>
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<pre class="programlisting">cmake_minimum_required(VERSION 2.8.7)
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project(my_first_test)
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enable_testing()
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# indicates the location of the boost installation tree.
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# hard-coded for our simple example.
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set(BOOST_INCLUDE_DIRS $boost_installation_prefix/include)
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# creates the executable
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add_executable(test_executable test_file.cpp)
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# indicates the include paths
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target_include_directories(test_executable PRIVATE ${BOOST_INCLUDE_DIRS})
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# declares a test with our executable
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add_test(NAME test1 COMMAND test_executable)
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</pre>
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<p>
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We will now create the build directory for this project (separate directory),
|
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configure and build the project, as follow:
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</p>
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<pre class="programlisting"><span class="special">></span> <span class="identifier">cd</span> $<span class="identifier">test_path</span>
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<span class="special">></span> <span class="identifier">mkdir</span> <span class="identifier">build</span> <a class="co" name="boost_test.section_faq.c0" href="section_faq.html#boost_test.section_faq.c1"><img src="../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a>
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<span class="special">></span> <span class="identifier">cd</span> <span class="identifier">build</span>
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<span class="special">></span> <span class="identifier">cmake</span> <span class="special">..</span> <a class="co" name="boost_test.section_faq.c2" href="section_faq.html#boost_test.section_faq.c3"><img src="../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a>
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<span class="special">></span> <span class="identifier">cmake</span> <span class="special">--</span><span class="identifier">build</span> <span class="special">.</span> <a class="co" name="boost_test.section_faq.c4" href="section_faq.html#boost_test.section_faq.c5"><img src="../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a>
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<span class="special">></span> <span class="identifier">ctest</span> <a class="co" name="boost_test.section_faq.c6" href="section_faq.html#boost_test.section_faq.c7"><img src="../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a>
|
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</pre>
|
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<div class="calloutlist"><table border="0" summary="Callout list">
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c1"></a><a href="#boost_test.section_faq.c0"><img src="../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a> </p></td>
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<td valign="top" align="left"><p>
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we create a directory dedicated to the build, to avoid any pollution of
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the sources with the temporary build files
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</p></td>
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</tr>
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c3"></a><a href="#boost_test.section_faq.c2"><img src="../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a> </p></td>
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<td valign="top" align="left"><p>
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configuration of the project
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</p></td>
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</tr>
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c5"></a><a href="#boost_test.section_faq.c4"><img src="../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a> </p></td>
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<td valign="top" align="left"><p>
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this command builds the project, cmake drives a native tool that is configured
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on the previous command line
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</p></td>
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</tr>
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c7"></a><a href="#boost_test.section_faq.c6"><img src="../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a> </p></td>
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<td valign="top" align="left"><p>
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runs the tests declared in the project and prints a report
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</p></td>
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</tr>
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</table></div>
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<p>
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In the case you are using the <a class="link" href="usage_variants.html#boost_test.usage_variants.shared_lib">shared
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libraries</a> variant of <span class="emphasis"><em>Unit Test Framework</em></span>, some
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modifications should be done in your CMakeLists.txt.
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</p>
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<pre class="programlisting">cmake_minimum_required(VERSION 2.8.11)
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project(my_first_test)
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enable_testing()
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# replace XX with the version you have
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set(Boost_ADDITIONAL_VERSIONS "1.XX" "1.XX.0")
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# finds boost, triggers an error otherwise
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find_package(Boost XX REQUIRED COMPONENTS unit_test_framework)
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|
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# creates the executable
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add_executable(test_executable test_file.cpp)
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# indicates the include paths
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target_include_directories(test_executable PRIVATE ${Boost_INCLUDE_DIRS})
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# indicates the shared library variant
|
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target_compile_definitions(test_executable PRIVATE "BOOST_TEST_DYN_LINK=1")
|
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# indicates the link paths
|
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target_link_libraries(test_executable ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
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# declares a test with our executable
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add_test(NAME test1 COMMAND test_executable)
|
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</pre>
|
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<p>
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We will now create the build directory for this project (separate directory),
|
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configure and build the project, as follow:
|
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</p>
|
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<pre class="programlisting"><span class="special">></span> <span class="identifier">cd</span> $<span class="identifier">test_path</span>
|
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<span class="special">></span> <span class="identifier">mkdir</span> <span class="identifier">build</span> <a class="co" name="boost_test.section_faq.c8" href="section_faq.html#boost_test.section_faq.c9"><img src="../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a>
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<span class="special">></span> <span class="identifier">cd</span> <span class="identifier">build</span>
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<span class="special">></span> <span class="identifier">cmake</span> <span class="special">-</span><span class="identifier">DBOOST_ROOT</span><span class="special">=</span>$<span class="identifier">boost_installation_prefix</span> <span class="special">..</span> <a class="co" name="boost_test.section_faq.c10" href="section_faq.html#boost_test.section_faq.c11"><img src="../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a>
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<span class="special">></span> <span class="identifier">cmake</span> <span class="special">--</span><span class="identifier">build</span> <span class="special">.</span> <a class="co" name="boost_test.section_faq.c12" href="section_faq.html#boost_test.section_faq.c13"><img src="../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a>
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<span class="special">></span> <span class="identifier">ctest</span> <a class="co" name="boost_test.section_faq.c14" href="section_faq.html#boost_test.section_faq.c15"><img src="../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a>
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</pre>
|
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<div class="calloutlist"><table border="0" summary="Callout list">
|
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c9"></a><a href="#boost_test.section_faq.c8"><img src="../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a> </p></td>
|
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<td valign="top" align="left"><p>
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we create a directory dedicated to the build, to avoid any pollution of
|
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the sources with the temporary build files
|
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</p></td>
|
|
</tr>
|
|
<tr>
|
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c11"></a><a href="#boost_test.section_faq.c10"><img src="../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a> </p></td>
|
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<td valign="top" align="left"><p>
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configuration of the project, the <code class="computeroutput"><span class="identifier">BOOST_ROOT</span></code>
|
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configuration element indicates the Boost module of <code class="computeroutput"><span class="identifier">cmake</span></code>
|
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where to find our installation
|
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</p></td>
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</tr>
|
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<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c13"></a><a href="#boost_test.section_faq.c12"><img src="../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a> </p></td>
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<td valign="top" align="left"><p>
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this command builds the project, cmake drives a native tool that is configured
|
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on the previous command line
|
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</p></td>
|
|
</tr>
|
|
<tr>
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<td width="5%" valign="top" align="left"><p><a name="boost_test.section_faq.c15"></a><a href="#boost_test.section_faq.c14"><img src="../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a> </p></td>
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