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
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
const {isSorted} = require('./_30s.js');
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test('isSorted is a Function', () => {
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expect(isSorted).toBeInstanceOf(Function);
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});
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test('Array is sorted in ascending order', () => {
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expect(isSorted([0, 1, 2])).toBe(1);
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});
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test('Array is sorted in ascending order', () => {
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expect(isSorted([0, 1, 2, 2])).toBe(1);
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});
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test('Array is sorted in ascending order', () => {
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expect(isSorted([-4, -3, -2])).toBe(1);
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});
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test('Array is sorted in ascending order', () => {
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expect(isSorted([0, 0, 1, 2])).toBe(1);
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});
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test('Array is sorted in descending order', () => {
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expect(isSorted([2, 1, 0])).toBe(-1);
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});
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test('Array is sorted in descending order', () => {
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expect(isSorted([2, 2, 1, 0])).toBe(-1);
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});
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test('Array is sorted in descending order', () => {
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expect(isSorted([-2, -3, -4])).toBe(-1);
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});
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test('Array is sorted in descending order', () => {
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expect(isSorted([2, 1, 0, 0])).toBe(-1);
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});
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test('Array is empty', () => {
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expect(isSorted([])).toBe(undefined);
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});
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test('Array is not sorted, direction changed in array', () => {
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expect(isSorted([1])).toBe(0);
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});
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test('Array is not sorted, direction changed in array', () => {
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expect(isSorted([1, 2, 1])).toBe(0);
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});
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