50 lines
2.0 KiB
Markdown
50 lines
2.0 KiB
Markdown
---
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id: 587d824c367417b2b2512c4f
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title: Test if a Value Falls within a Specific Range
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challengeType: 2
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---
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## Description
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<section id='description'>
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As a reminder, this project is being built upon the following starter project on <a href='https://glitch.com/#!/import/github/freeCodeCamp/boilerplate-mochachai/'>Glitch</a>, or cloned from <a href='https://github.com/freeCodeCamp/boilerplate-mochachai/'>GitHub</a>.
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<code>.approximately(actual, expected, delta, [message])</code>
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Asserts that the actual is equal <code>expected</code>, to within a +/- <code>delta</code> range.
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</section>
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## Instructions
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<section id='instructions'>
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Use <code>assert.approximately()</code> to make the tests pass.
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Choose the minimum range (3rd parameter) to make the test always pass. It should be less than 1.
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: All tests should pass
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=9').then(data => {assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
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- text: Use approximately(actual, expected, range) - Chose the correct range
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=9').then(data => { assert.equal(data.assertions[0].method, 'approximately'); assert.equal(data.assertions[0].args[2], 0.5, 'weirdNumbers(0.5) is in the range (0.5, 1.5]. It\'s within 1 +/- 0.5'); }, xhr => { throw new Error(xhr.responseText); })
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- text: Use approximately(actual, expected, range) - Chose the correct range
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=9').then(data => { assert.equal(data.assertions[1].method, 'approximately'); assert.equal(data.assertions[1].args[2], 0.8, 'weirdNumbers(0.2) is in the range (0.2, 1.2]. It\'s within 1 +/- 0.8'); }, xhr => { throw new Error(xhr.responseText); })
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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