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<section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Documentation">Documentation<a class="anchor-link" href="#Documentation">&#182;</a></h1><ul>
<li>What do you expect for the documentation ?</li>
</ul>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Documentation">Documentation<a class="anchor-link" href="#Documentation">&#182;</a></h1><ul>
<li>For users: <ul>
<li>Examples</li>
<li>Manual</li>
</ul>
</li>
<li>For developpers: API description, procedures, FAQ<ul>
<li>Best way to make an API doc: source annotation</li>
</ul>
</li>
</ul>
</div>
</div></div>
</section></section><section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Doxygen"><a href="http://www.doxygen.org/">Doxygen</a><a class="anchor-link" href="#Doxygen">&#182;</a></h1><ul>
<li>It is a standard tool for generating documentation from annotated C++ sources (and many others)</li>
<li>Attached comments will be parsed to form the generated documentation.</li>
<li><a href="https://www.stack.nl/~dimitri/doxygen/manual/docblocks.html">Doxygen documentation</a></li>
<li>installation: <div class="highlight"><pre><span></span>&gt; sudo apt install doxygen graphviz
</pre></div>
</li>
</ul>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Block-long-annotation">Block long annotation<a class="anchor-link" href="#Block-long-annotation">&#182;</a></h2><div class="highlight"><pre><span></span><span class="cm">/**</span>
<span class="cm"> * ... text ...</span>
<span class="cm"> */</span>
</pre></div>
<p>Example: class documentation:</p>
<div class="highlight"><pre><span></span><span class="cm">/**</span>
<span class="cm"> * This is my super cool class</span>
<span class="cm"> */</span>
<span class="k">class</span> <span class="nc">SuperCoolClass</span> <span class="p">{</span>
<span class="p">...</span>
<span class="p">};</span>
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Brief-description-(nicer-summary-style)">Brief description (nicer summary style)<a class="anchor-link" href="#Brief-description-(nicer-summary-style)">&#182;</a></h2><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">SuperCoolClass</span> <span class="p">{</span>
<span class="cm">/** \brief This is a simple positions accessor</span>
<span class="cm"> * This accessor gets the position</span>
<span class="cm"> */</span>
<span class="n">Vector</span> <span class="o">&amp;</span> <span class="n">getPosition</span><span class="p">();</span>
<span class="p">};</span>
</pre></div>
<ul>
<li>You can provide the brief only </li>
</ul>
<div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">SuperCoolClass</span> <span class="p">{</span>
<span class="c1">/// This is a simple positions accessor</span>
<span class="n">Vector</span> <span class="o">&amp;</span> <span class="n">getPosition</span><span class="p">();</span>
<span class="p">};</span>
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Documenting-arguments">Documenting arguments<a class="anchor-link" href="#Documenting-arguments">&#182;</a></h2><div class="highlight"><pre><span></span><span class="cm">/*!</span>
<span class="cm"> \param arg1 an integer argument.</span>
<span class="cm"> \param arg2 a double argument.</span>
<span class="cm"> \return The integer result</span>
<span class="cm"> foo function description</span>
<span class="cm">*/</span>
<span class="kt">int</span> <span class="nf">foo</span><span class="p">(</span><span class="kt">int</span> <span class="n">arg1</span><span class="p">,</span> <span class="kt">double</span> <span class="n">arg2</span><span class="p">);</span>
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Generating-the-documentation">Generating the documentation<a class="anchor-link" href="#Generating-the-documentation">&#182;</a></h2><ul>
<li><p>Configuring Doxygen produces a 'Doxygen' file.</p>
<p>The easiest way $\Longrightarrow$ using <em>doxywizard</em> application.</p>
</li>
</ul>
<ul>
<li>Launch doxygen to generate a html webpage:</li>
</ul>
<div class="highlight"><pre><span></span>doxygen Doxygen
</pre></div>
</div>
</div></div>
</section></section><section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Python-docstring"><a href="http://epydoc.sourceforge.net/docstrings.html">Python docstring</a><a class="anchor-link" href="#Python-docstring">&#182;</a></h1><ul>
<li><a href="https://thomas-cokelaer.info/tutorials/sphinx/docstring_python.html">Cheat sheet</a> </li>
</ul>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Block-annotation">Block annotation<a class="anchor-link" href="#Block-annotation">&#182;</a></h2><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">SuperCoolClass</span><span class="p">:</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> This is my annotation comments</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">myMethod</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> This is a method of the class</span>
<span class="sd"> &quot;&quot;&quot;</span>
</pre></div>
<p>Introspection during program run:</p>
<div class="highlight"><pre><span></span><span class="n">help</span><span class="p">(</span><span class="n">SuperCoolClass</span><span class="p">)</span>
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Pydoc"><a href="https://docs.python.org/3.6/library/pydoc.html">Pydoc</a><a class="anchor-link" href="#Pydoc">&#182;</a></h2><p>A simple documentation can be generated with</p>
<div class="highlight"><pre><span></span>&gt; pydoc module_name
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Sphinx"><a href="http://www.sphinx-doc.org/en/master/">Sphinx</a><a class="anchor-link" href="#Sphinx">&#182;</a></h1><ul>
<li>Installation: <div class="highlight"><pre><span></span>&gt; sudo apt install python3-sphinx
</pre></div>
</li>
<li><p>Configuring Sphinx produces a 'conf.py' and 'index.rst' files.</p>
<ul>
<li>The easiest way $\Longrightarrow$ using <em>sphinx-quickstart</em> and <em>sphinx-apidoc</em> applications</li>
</ul>
</li>
<li><p>Launch sphinx to generate a html webpage:</p>
</li>
</ul>
<div class="highlight"><pre><span></span>sphinx-build src dest
</pre></div>
<ul>
<li>Useful tutorials: <a href="http://www.sphinx-doc.org/en/master/usage/quickstart.html">sphinx-quickstart</a> and <a href="https://codeandchaos.wordpress.com/2012/07/30/sphinx-autodoc-tutorial-for-dummies/">sphinx-autodoc-tutorial-for-dummies</a></li>
</ul>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">foo</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">:param a: description</span>
<span class="sd">:param b: description</span>
<span class="sd">:type a: type description</span>
<span class="sd">:type b: type description</span>
<span class="sd">:return: return description</span>
<span class="sd">:rtype: the return type description</span>
<span class="sd">.. seealso:: blabla</span>
<span class="sd">.. warnings also:: blabla</span>
<span class="sd">.. note:: blabla</span>
<span class="sd">.. todo:: blabla</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="n">DO_SOMETHING</span>
</pre></div>
</div>
</div></div>
</section></section><section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Test-Suites"><center>Test Suites</center><a class="anchor-link" href="#Test-Suites">&#182;</a></h1>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Google-Unit-Test-for-C++-testing"><a href="https://github.com/google/googletest">Google Unit Test</a> for C++ testing<a class="anchor-link" href="#Google-Unit-Test-for-C++-testing">&#182;</a></h1>
</div>
</div><div class="fragment" style="width: 100%;float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<ul>
<li><a href="https://en.wikipedia.org/wiki/XUnit">xUnit</a> is the collective name for several unit testing frameworks</li>
<li><a href="https://github.com/google/googletest/blob/master/googletest/docs/primer.md">Google Test primer</a> $\Rightarrow$ Guidelines/Tutorial</li>
<li><a href="https://github.com/google/googletest/blob/master/googletest/docs/advanced.md">Advanced Google test topics</a></li>
<li><a href="https://www.bogotobogo.com/cplusplus/google_unit_test_gtest.php">Another Google Test Tutorial</a></li>
<li>Installation:<div class="highlight"><pre><span></span>&gt; sudo apt install libgtest-dev
</pre></div>
</li>
</ul>
</div>
</div></div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Test-a-square-root-function">Test a square root function<a class="anchor-link" href="#Test-a-square-root-function">&#182;</a></h1>
</div>
</div><div class="full" style="width: 100%; float: left">
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<div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">&lt;cmath&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;exception&gt;</span><span class="cp"></span>
<span class="k">struct</span> <span class="nl">NegativeException</span> <span class="p">:</span> <span class="k">public</span> <span class="n">std</span><span class="o">::</span><span class="n">exception</span> <span class="p">{};</span>
<span class="kt">double</span> <span class="nf">mysqrt</span><span class="p">(</span><span class="kt">double</span> <span class="n">x</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">&lt;</span> <span class="mf">0.</span><span class="p">)</span>
<span class="k">throw</span> <span class="n">NegativeException</span><span class="p">();</span>
<span class="k">return</span> <span class="n">std</span><span class="o">::</span><span class="n">sqrt</span><span class="p">(</span><span class="n">x</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
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</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
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<h2 id="Equality-test">Equality test<a class="anchor-link" href="#Equality-test">&#182;</a></h2>
</div>
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<div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">&lt;gtest/gtest.h&gt;</span><span class="cp"></span>
<span class="c1">// MACRO function &quot;TEST&quot; from Google Test</span>
<span class="c1">// defines a test and a context</span>
<span class="n">TEST</span><span class="p">(</span><span class="n">MysqrtTest</span><span class="p">,</span> <span class="n">positive_integers</span><span class="p">)</span> <span class="p">{</span>
<span class="n">EXPECT_EQ</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">4</span><span class="p">));</span>
<span class="n">EXPECT_EQ</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">16</span><span class="p">));</span>
<span class="n">EXPECT_EQ</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">9</span><span class="p">));</span>
<span class="p">}</span>
</pre></div>
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</div>
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</div><div class="fragment" style="width: 100%;float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<div class="highlight"><pre><span></span>g++ mysqrt_test.cc -o <span class="nb">test</span> -lgtest_main -lgtest -lpthread
./test
</pre></div>
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<pre>[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from MysqrtTest
[ RUN ] MysqrtTest.positive_integers
[ OK ] MysqrtTest.positive_integers (0 ms)
[----------] 1 test from MysqrtTest (0 ms total)
</pre>
</div>
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</div></div></div>
</section><section>
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<h2 id="Near-equality-test">Near equality test<a class="anchor-link" href="#Near-equality-test">&#182;</a></h2>
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<div class="highlight"><pre><span></span><span class="n">TEST</span><span class="p">(</span><span class="n">MysqrtTest</span><span class="p">,</span> <span class="n">positive_doubles</span><span class="p">)</span> <span class="p">{</span>
<span class="n">ASSERT_NEAR</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">sqrt</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="mf">1e-15</span><span class="p">);</span>
<span class="n">ASSERT_NEAR</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">sqrt</span><span class="p">(</span><span class="mi">3</span><span class="p">),</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">3</span><span class="p">),</span> <span class="mf">1e-15</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
</div></div>
</section><section>
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<h2 id="Assertion-test">Assertion test<a class="anchor-link" href="#Assertion-test">&#182;</a></h2>
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<div class="highlight"><pre><span></span><span class="n">TEST</span><span class="p">(</span><span class="n">MysqrtTest</span><span class="p">,</span> <span class="n">negative</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">// check that exception is thrown</span>
<span class="n">ASSERT_THROW</span><span class="p">(</span><span class="n">mysqrt</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">),</span> <span class="n">NegativeException</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
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<h2 id="Fixtures">Fixtures<a class="anchor-link" href="#Fixtures">&#182;</a></h2><ul>
<li>When several test have a common preparation: Fixture classes</li>
<li><em>SetUp</em> and <em>TearDown</em> methods</li>
</ul>
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<div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">Particle</span> <span class="p">{</span>
<span class="kt">double</span> <span class="n">position</span><span class="p">[</span><span class="mi">3</span><span class="p">];</span>
<span class="kt">double</span> <span class="n">velocity</span><span class="p">[</span><span class="mi">3</span><span class="p">];</span>
<span class="kt">double</span> <span class="n">force</span><span class="p">[</span><span class="mi">3</span><span class="p">];</span>
<span class="p">};</span>
<span class="k">struct</span> <span class="n">System</span> <span class="p">{</span>
<span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="o">&lt;</span><span class="n">Particle</span><span class="o">&gt;</span> <span class="n">particles</span><span class="p">;</span>
<span class="p">};</span>
</pre></div>
</div>
</div>
</div>
</div></div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Fixtures">Fixtures<a class="anchor-link" href="#Fixtures">&#182;</a></h2><ul>
<li>When several test have a common preparation: Fixture classes</li>
<li><em>SetUp</em> and <em>TearDown</em> methods</li>
</ul>
</div>
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<div class="highlight"><pre><span></span>// Fixture class
class SystemTest : public ::testing::Test {
protected:
void <span style="color:red;font-size:150%">SetUp</span>() override {
// push 10 particles
system.particles.resize(10);
}
void <span style="color:red;font-size:150%">TearDown</span>() override {
// clear particles
system.particles.clear();
}
System system;
};
</pre></div>
</div>
</div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Fixtures">Fixtures<a class="anchor-link" href="#Fixtures">&#182;</a></h2><ul>
<li>When several test have a common preparation: Fixture classes</li>
<li><em>SetUp</em> and <em>TearDown</em> methods</li>
</ul>
</div>
</div><div class="full" style="width: 100%; float: left">
<div class="cell border-box-sizing code_cell rendered">
<div class="output_area">
<div class="output_html rendered_html output_subarea output_execute_result">
<style>
.hll { background-color: #ffffcc }
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.o { color: #666666 } /* Operator */
.ch { color: #408080; font-style: italic } /* Comment.Hashbang */
.cm { color: #408080; font-style: italic } /* Comment.Multiline */
.cp { color: #BC7A00 } /* Comment.Preproc */
.cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */
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<div class="highlight"><pre><span></span>
// Fixture test
<span style="color:red;font-size:150%">TEST_F</span>(SystemTest, IsNotEmpty) {
// check the size of container
EXPECT_EQ(system.particles.size(), 10);
}
</pre></div>
</div>
</div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h1 id="Pytest"><a href="https://docs.pytest.org/en/latest/">Pytest</a><a class="anchor-link" href="#Pytest">&#182;</a></h1><ul>
<li>Installation: <div class="highlight"><pre><span></span>&gt; sudo apt install python3-pytest
</pre></div>
</li>
<li><a href="https://docs.pytest.org/en/latest/contents.html#toc">Documentation</a></li>
</ul>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Testing-the-(similar)-mysqrt-function">Testing the (similar) mysqrt function<a class="anchor-link" href="#Testing-the-(similar)-mysqrt-function">&#182;</a></h2><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">mysqrt</span><span class="p">(</span><span class="n">x</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">&lt;</span> <span class="mf">0.</span><span class="p">):</span>
<span class="k">raise</span> <span class="n">NegativeException</span><span class="p">();</span>
<span class="k">return</span> <span class="n">math</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">x</span><span class="p">);</span>
<span class="k">def</span> <span class="nf">test_mysqrt_int</span><span class="p">():</span>
<span class="k">assert</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span> <span class="o">==</span> <span class="mi">2</span>
<span class="k">def</span> <span class="nf">test_mysqrt_double</span><span class="p">():</span>
<span class="k">assert</span> <span class="n">mysqrt</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="o">==</span> <span class="n">math</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">test_mysqrt_negative</span><span class="p">():</span>
<span class="k">with</span> <span class="n">pytest</span><span class="o">.</span><span class="n">raises</span><span class="p">(</span><span class="n">NegativeException</span><span class="p">):</span>
<span class="n">mysqrt</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
</pre></div>
</div>
</div></div>
</section><section>
<div class="slide" style="float: left"><div class="full" style="width: 100%; float: left">
<div class="text_cell_render border-box-sizing rendered_html">
<h2 id="Pytest-fixtures">Pytest fixtures<a class="anchor-link" href="#Pytest-fixtures">&#182;</a></h2><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">pytest</span>
<span class="nd">@pytest.fixture</span>
<span class="k">def</span> <span class="nf">SystemTest</span><span class="p">():</span>
<span class="c1"># SetUp</span>
<span class="n">System</span><span class="o">.</span><span class="n">particles</span> <span class="o">=</span> <span class="p">[</span><span class="n">Particle</span><span class="p">()</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">10</span><span class="p">)]</span>
<span class="k">yield</span>
<span class="c1"># TearDown</span>
<span class="n">System</span><span class="o">.</span><span class="n">particles</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">def</span> <span class="nf">test_is_not_empty</span><span class="p">(</span><span class="n">SystemTest</span><span class="p">):</span>
<span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">system</span><span class="o">.</span><span class="n">particles</span><span class="p">)</span> <span class="o">==</span> <span class="mi">10</span>
</pre></div>
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