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<span class="white-sticker"><a href="https://www.rust-lang.org">Rust</a> 1.28.0</span><br>
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<h1 class="title">Testing</h1>
<p><small>There is a new edition of the book and this is an old link.</small></p>
<blockquote>
<p>Rust includes support for writing software tests within the language itself.</p>
</blockquote>
<pre class="rust rust-example-rendered">
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">it_works</span>() {
}
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0A%23%5Bcfg(test)%5D%0Amod%20tests%20%7B%0A%20%20%20%20%23%5Btest%5D%0A%20%20%20%20fn%20it_works()%20%7B%0A%20%20%20%20%7D%0A%7D%0A%7D">Run</a></pre>
<hr />
<p>Here are the relevant sections in the new and old books:</p>
<ul>
<li><strong><a href="second-edition/ch11-00-testing.html">In the second edition: Ch 11.00 — Testing</a></strong></li>
<li><small><a href="first-edition/testing.html">In the first edition: Ch 4.2 — Testing</a></small></li>
</ul>
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