unexpected
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Extensible BDD assertion toolkit
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<h3>any</h3>
<ul>
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<a href="/assertions/any/to-be-a/">to be a</a>
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<li class="">
<a href="/assertions/any/to-be-falsy/">to be falsy</a>
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<a href="/assertions/any/to-be-null/">to be null</a>
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<a href="/assertions/any/to-be-ok/">to be ok</a>
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<a href="/assertions/any/to-be-truthy/">to be truthy</a>
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<a href="/assertions/any/to-be-undefined/">to be undefined</a>
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<a href="/assertions/any/to-be/">to be</a>
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<a href="/assertions/any/to-equal/">to equal</a>
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<a href="/assertions/any/to-satisfy/">to satisfy</a>
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<a href="/assertions/any/to-be-defined/">to be defined</a>
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<h3>array</h3>
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<a href="/assertions/array/to-be-an-array-whose-items-satisfy/">to be an array whose items satisfy</a>
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<a href="/assertions/array/to-be-empty/">to be empty</a>
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<a href="/assertions/array/to-be-non-empty/">to be non-empty</a>
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<a href="/assertions/array/to-contain/">to contain</a>
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<a href="/assertions/array/to-have-length/">to have length</a>
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<h3>boolean</h3>
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<a href="/assertions/boolean/to-be-false/">to be false</a>
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<a href="/assertions/boolean/to-be-true/">to be true</a>
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<h3>function</h3>
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<a href="/assertions/function/to-have-arity/">to have arity</a>
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<a href="/assertions/function/to-throw/">to throw</a>
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<h3>number</h3>
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<li class="">
<a href="/assertions/number/to-be-greater-than/">to be greater than</a>
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<li class="">
<a href="/assertions/number/to-be-infinite/">to be infinite</a>
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<a href="/assertions/number/to-be-close-to/">to be close to</a>
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<a href="/assertions/number/to-be-finite/">to be finite</a>
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<li class="">
<a href="/assertions/number/to-be-greater-than-or-equal-to/">to be greater than or equal to</a>
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<a href="/assertions/number/to-be-NaN/">to be NaN</a>
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<li class="">
<a href="/assertions/number/to-be-less-than-or-equal-to/">to be less than or equal to</a>
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<li class="">
<a href="/assertions/number/to-be-less-than/">to be less than</a>
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<a href="/assertions/number/to-be-negative/">to be negative</a>
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<a href="/assertions/number/to-be-positive/">to be positive</a>
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<a href="/assertions/number/to-be-within/">to be within</a>
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<h3>object</h3>
<ul>
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<a href="/assertions/object/to-be-a-map-whose-keys-satisfy/">to be a map whose keys satisfy</a>
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<a href="/assertions/object/to-be-a-map-whose-values-satisfy/">to be a map whose values satisfy</a>
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<li class="">
<a href="/assertions/object/to-be-canonical/">to be canonical</a>
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<li class="">
<a href="/assertions/object/to-have-key/">to have key</a>
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<li class="">
<a href="/assertions/object/to-have-keys/">to have keys</a>
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<li class="">
<a href="/assertions/object/to-have-properties/">to have properties</a>
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<li class="">
<a href="/assertions/object/to-have-property/">to have property</a>
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</ul>
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<h3>string</h3>
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<li class="">
<a href="/assertions/string/to-be-non-empty/">to be non-empty</a>
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<li class="">
<a href="/assertions/string/to-be-empty/">to be empty</a>
</li>
<li class="">
<a href="/assertions/string/to-be-greater-than/">to be greater than</a>
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<li class="">
<a href="/assertions/string/to-be-less-than-or-equal-to/">to be less than or equal to</a>
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<li class="">
<a href="/assertions/string/to-be-less-than/">to be less than</a>
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<li class="">
<a href="/assertions/string/to-be-greater-than-or-equal-to/">to be greater than or equal to</a>
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<li class="">
<a href="/assertions/string/to-be-within/">to be within</a>
</li>
<li class="">
<a href="/assertions/string/to-be/">to be</a>
</li>
<li class="">
<a href="/assertions/string/to-contain/">to contain</a>
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<li class="">
<a href="/assertions/string/to-have-length/">to have length</a>
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<li class="">
<a href="/assertions/string/to-match/">to match</a>
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<p>Asserts that an array is empty.</p>
<p>Aliases: <code>not to be empty</code></p>
<div class="code lang-javascript">
<div><span style="color: #000000">expect</span><span style="color: #000000">([</span><span style="color: #0086b3">1</span><span style="color: #000000">,</span> <span style="color: #0086b3">2</span><span style="color: #000000">,</span> <span style="color: #0086b3">3</span><span style="color: #000000">],</span> <span style="color: #df5000">'to be non-empty'</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> <span style="color: #df5000">'to be non-empty'</span><span style="color: #000000">);</span></div>
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<div><span style="color: red; font-weight: bold">expected</span> [] <span style="color: red; font-weight: bold">to be non-empty</span></div>
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