83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
const {quickSort} = require('./_30s.js');
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test('quickSort is a Function', () => {
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expect(quickSort).toBeInstanceOf(Function);
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});
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test('quickSort([5, 6, 4, 3, 1, 2]) returns [1, 2, 3, 4, 5, 6]', () => {
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expect(quickSort([5, 6, 4, 3, 1, 2])).toEqual([1, 2, 3, 4, 5, 6]);
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});
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test('quickSort([-1, 0, -2]) returns [-2, -1, 0]', () => {
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expect(quickSort([-1, 0, -2])).toEqual([-2, -1, 0]);
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});
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test('quickSort() throws an error', () => {
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expect(() => {
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quickSort();
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}).toThrow();
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});
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test('quickSort(123) throws an error', () => {
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expect(() => {
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quickSort(123);
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}).toThrow();
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});
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test('quickSort({ 234: string}) throws an error', () => {
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expect(() => {
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quickSort({ 234: string });
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}).toThrow();
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});
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test('quickSort(null) throws an error', () => {
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expect(() => {
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quickSort(null);
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}).toThrow();
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});
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test('quickSort(undefined) throws an error', () => {
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expect(() => {
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quickSort(undefined);
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}).toThrow();
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});
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let start = new Date().getTime();
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quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]);
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let end = new Date().getTime();
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test('quickSort([11, 1, 324, 23232, -1, 53, 2, 524, 32, 13, 156, 133, 62, 12, 4]) takes less than 2s to run', () => {
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expect(end - start < 2000).toBeTruthy();
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});
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