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22 lines
755 B
TypeScript
22 lines
755 B
TypeScript
import { describe, expect, it } from 'vitest';
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import { moveInArray } from './move-in-array';
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describe('moveInArray', () => {
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const testArray = [1, 2, 3, 4, 5, 6];
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it('returns the original array if the item is undefined', () => {
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expect(moveInArray(testArray, 6, 2)).toStrictEqual(testArray);
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});
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it('moves the item to the right to the specified index', () => {
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expect(moveInArray(testArray, 1, 2)).toStrictEqual([1, 3, 2, 4, 5, 6]);
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});
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it('moves the item to the left to the specified index', () => {
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expect(moveInArray(testArray, 5, -3)).toStrictEqual([1, 2, 3, 6, 4, 5]);
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});
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it('returns the original array when passed the same toIndex and fromIndex', () => {
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expect(moveInArray(testArray, 0, 0)).toStrictEqual(testArray);
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});
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});
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