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freeCodeCamp/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.chinese.md

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---
id: 587d824b367417b2b2512c4a
title: Use the Double Equals to Assert Equality
challengeType: 2
videoUrl: ''
localeTitle: 使用Double Equals来断言平等
---
## Description
<section id="description">提醒一下,这个项目是基于<a href="https://glitch.com/#!/import/github/freeCodeCamp/boilerplate-mochachai/">Glitch</a>的以下入门项目构建的,或者是从<a href="https://github.com/freeCodeCamp/boilerplate-mochachai/">GitHub</a>克隆的。 .equal,. notEqual.equal使用&#39;==&#39;比较对象</section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: 所有测试都应该通过
testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=4').then(data => {assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
- text: 选择正确的断言 - 相等与不等
testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=4').then(data => { assert.equal(data.assertions[0].method, 'equal', 'Numbers are coerced into strings with == '); }, xhr => { throw new Error(xhr.responseText); })
- text: 选择正确的断言 - 相等与不等
testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=4').then(data => { assert.equal(data.assertions[1].method, 'notEqual', ' == compares object references'); }, xhr => { throw new Error(xhr.responseText); })
- text: 选择正确的断言 - 相等与不等
testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=4').then(data => { assert.equal(data.assertions[2].method, 'equal', '6 * \'2\' is 12 ! It should be equal to \'12\''); }, xhr => { throw new Error(xhr.responseText); })
- text: 选择正确的断言 - 相等与不等
testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=4').then(data => { assert.equal(data.assertions[3].method, 'notEqual', '6 + \'2\' is \'62\'...'); }, xhr => { throw new Error(xhr.responseText); })
```
</section>
## Challenge Seed
<section id='challengeSeed'>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>