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__tests__/interpose.ts
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Julien Deniau
Better TypeScript configuration for jest
29 мар 2025, 01:47
29 мар 2025, 01:47
992f37c
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import { describe, expect, it } from '@jest/globals'; import { Range } from 'immutable'; describe('interpose', () => { it('separates with a value', () => { const range = Range(10, 15); const interposed = range.interpose(0); expect(interposed.toArray()).toEqual([10, 0, 11, 0, 12, 0, 13, 0, 14]); }); it('can be iterated', () => { const range = Range(10, 15); const interposed = range.interpose(0); const values = interposed.values(); expect(values.next()).toEqual({ value: 10, done: false }); expect(values.next()).toEqual({ value: 0, done: false }); expect(values.next()).toEqual({ value: 11, done: false }); expect(values.next()).toEqual({ value: 0, done: false }); expect(values.next()).toEqual({ value: 12, done: false }); expect(values.next()).toEqual({ value: 0, done: false }); expect(values.next()).toEqual({ value: 13, done: false }); expect(values.next()).toEqual({ value: 0, done: false }); expect(values.next()).toEqual({ value: 14, done: false }); expect(values.next()).toEqual({ value: undefined, done: true }); }); });