import {describe, it, expect, mock} from 'bun:test';
import {createRangeIterator} from '../../src/functions';

describe('When generating a range iterator', () => {
  describe('Given start and stop values', () => {
    const start = 1;
    const stop = 10;
    const mockFn = mock(() => undefined);

    it('generates an iterator of the correct length', () => {
      const rangeIterator = createRangeIterator(1, 10);

      for (const idx of rangeIterator) {
        mockFn();
      }

      expect(mockFn).toHaveBeenCalledTimes(9);
    });
  });
});