unexpected
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<h3>any</h3>
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<a href="../to-have-keys">to have keys</a>
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<a href="../to-have-keys-satisfying">to have keys satisfying</a>
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<a href="">to have properties</a>
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<a href="../to-have-property">to have property</a>
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<a href="../to-have-values-satisfying">to have values satisfying</a>
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<a href="../../function/to-call-the-callback">to call the callback</a>
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<a href="../../function/to-have-arity">to have arity</a>
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<a href="../../Error/to-have-message">to have message</a>
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<h1>to have properties</h1>
<p>Assert presence of properties in an object.</p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'to have properties'</span><span style="color: #000000">,</span> <span style="color: #000000">[</span><span style="color: #df5000">'a'</span><span style="color: #000000">,</span> <span style="color: #df5000">'b'</span><span style="color: #000000">]);</span></div>
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'to have properties'</span><span style="color: #000000">,</span> <span style="color: #000000">{</span></div>
<div> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span></div>
<div> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">}</span></div>
<div><span style="color: #000000">});</span></div>
<div><span style="color: #000000">expect</span><span style="color: #000000">([</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">],</span> <span style="color: #df5000">'to have properties'</span><span style="color: #000000">,</span> <span style="color: #000000">{</span></div>
<div> <span style="color: #0086b3">1</span><span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span></div>
<div> <span style="color: #0086b3">2</span><span style="color: #000000">:</span> <span style="color: #df5000">'d'</span></div>
<div><span style="color: #000000">});</span></div>
</div><p>Using the <code>own</code> flag, you can assert presence of an own properties.</p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'to have own properties'</span><span style="color: #000000">,</span> <span style="color: #000000">[</span><span style="color: #df5000">'a'</span><span style="color: #000000">,</span> <span style="color: #df5000">'b'</span><span style="color: #000000">]);</span></div>
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'to have own properties'</span><span style="color: #000000">,</span> <span style="color: #000000">{</span></div>
<div> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span></div>
<div> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">}</span></div>
<div><span style="color: #000000">});</span></div>
</div><p>In case of a failing expectation you get the following output:</p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'f00'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #df5000">'bar'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'to have own properties'</span><span style="color: #000000">,</span> <span style="color: #000000">{</span></div>
<div> a<span style="color: #000000">:</span> <span style="color: #df5000">'foo'</span><span style="color: #000000">,</span></div>
<div> c<span style="color: #000000">:</span> <span style="color: #df5000">'baz'</span></div>
<div><span style="color: #000000">});</span></div>
</div><div class="output">
<div><span style="color: red; font-weight: bold">expected</span> { <span style="color: #555">a</span>: <span style="color: #df5000">'f00'</span>, <span style="color: #555">b</span>: <span style="color: #df5000">'bar'</span> } <span style="color: red; font-weight: bold">to have own properties</span> { <span style="color: #555">a</span>: <span style="color: #df5000">'foo'</span>, <span style="color: #555">c</span>: <span style="color: #df5000">'baz'</span> }</div>
<div> </div>
<div>{</div>
<div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: #555">a</span>: <div style="display: inline-block; vertical-align: top">
<div><span style="color: #df5000">'f00'</span>,</div>
</div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: red; font-weight: bold">//</span></div>
<div><span style="color: red; font-weight: bold">//</span></div>
<div><span style="color: red; font-weight: bold">//</span></div>
</div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: red; font-weight: bold">should equal</span> <div style="display: inline-block; vertical-align: top">
<div><span style="color: #df5000">'foo'</span></div>
</div></div>
<div><div style="display: inline-block; vertical-align: top">
<div><span style="color: red">-</span></div>
</div><div style="display: inline-block; vertical-align: top">
<div><span style="background-color: red; color: white">f00</span></div>
</div></div>
<div><div style="display: inline-block; vertical-align: top">
<div><span style="color: green">+</span></div>
</div><div style="display: inline-block; vertical-align: top">
<div><span style="background-color: green; color: white">foo</span></div>
</div></div>
</div></div>
</div></div>
<div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: #555">b</span>: <span style="color: #df5000">'bar'</span>,</div>
</div></div>
<div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: #555">c</span>: <div style="display: inline-block; vertical-align: top">
<div><span style="color: #0086b3">undefined</span></div>
</div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: red; font-weight: bold">//</span></div>
</div> <div style="display: inline-block; vertical-align: top">
<div><span style="color: red; font-weight: bold">should equal</span> <div style="display: inline-block; vertical-align: top">
<div><span style="color: #df5000">'baz'</span></div>
</div></div>
</div></div>
</div></div>
<div>}</div>
</div><p>This assertion can be negated using the <code>not</code> flag:</p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'not to have properties'</span><span style="color: #000000">,</span> <span style="color: #000000">[</span><span style="color: #df5000">'k'</span><span style="color: #000000">,</span> <span style="color: #df5000">'l'</span><span style="color: #000000">]);</span></div>
<div><span style="color: #000000">expect</span><span style="color: #000000">(</span>Object<span style="color: #000000">.</span><span style="color: #000000">create</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #df5000">'b'</span> <span style="color: #000000">}),</span> <span style="color: #df5000">'not to have own properties'</span><span style="color: #000000">,</span> <span style="color: #000000">[</span><span style="color: #df5000">'a'</span><span style="color: #000000">,</span> <span style="color: #df5000">'b'</span><span style="color: #000000">]);</span></div>
</div><p>In case of a failing expectation you get the following output:</p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">({</span> a<span style="color: #000000">:</span> <span style="color: #df5000">'a'</span><span style="color: #000000">,</span> b<span style="color: #000000">:</span> <span style="color: #000000">{</span> c<span style="color: #000000">:</span> <span style="color: #df5000">'c'</span> <span style="color: #000000">},</span> d<span style="color: #000000">:</span> <span style="color: #df5000">'d'</span> <span style="color: #000000">},</span> <span style="color: #df5000">'not to have properties'</span><span style="color: #000000">,</span> <span style="color: #000000">[</span><span style="color: #df5000">'b'</span><span style="color: #000000">,</span> <span style="color: #df5000">'d'</span><span style="color: #000000">]);</span></div>
</div><div class="output">
<div><span style="color: red; font-weight: bold">expected</span> { <span style="color: #555">a</span>: <span style="color: #df5000">'a'</span>, <span style="color: #555">b</span>: { <span style="color: #555">c</span>: <span style="color: #df5000">'c'</span> }, <span style="color: #555">d</span>: <span style="color: #df5000">'d'</span> } <span style="color: red; font-weight: bold">not to have properties</span> [ <span style="color: #df5000">'b'</span>, <span style="color: #df5000">'d'</span> ]</div>
</div>
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