2.3 KiB
2.3 KiB
id | title | challengeType | videoUrl | localeTitle |
---|---|---|---|---|
587d824e367417b2b2512c57 | Test if an Object is an Instance of a Constructor | 2 | 测试对象是否是构造函数的实例 |
Description
Instructions
Tests
tests:
- text: 所有测试都应该通过
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=17").then(data => { assert.equal(data.state,"passed"); }, xhr => { throw new Error(xhr.responseText); })'
- text: 选择正确的断言 - instanceOf与notInstanceOf
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=17").then(data => { assert.equal(data.assertions[0].method, "notInstanceOf", "myCar is not an instance of Plane"); }, xhr => { throw new Error(xhr.responseText); })'
- text: 选择正确的断言 - instanceOf与notInstanceOf
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=17").then(data => { assert.equal(data.assertions[1].method, "instanceOf", "airlinePlane is an instance of Plane"); }, xhr => { throw new Error(xhr.responseText); })'
- text: 选择正确的断言 - instanceOf与notInstanceOf
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=17").then(data => { assert.equal(data.assertions[2].method, "instanceOf", "everything is an Object in JavaScript..."); }, xhr => { throw new Error(xhr.responseText); })'
- text: 选择正确的断言 - instanceOf与notInstanceOf
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=17").then(data => { assert.equal(data.assertions[3].method, "notInstanceOf", "myCar.wheels is not an instance of String"); }, xhr => { throw new Error(xhr.responseText); })'
Challenge Seed
Solution
// solution required