frame.js

import test from 'ava';

import {range, frame, zip, list} from '../../../src/index.js';

test('frame', (t) => {
	const A = frame(range(100), 2);
	const B = zip(range(100), range(1, 100));

	t.deepEqual(list(A), list(B), 'compare to zip output');

	const C = frame(range(4), 3);

	t.deepEqual(
		list(C),
		[
			[0, 1, 2],
			[1, 2, 3],
		],
		'n !| N',
	);

	const D = frame(range(2), 3);

	t.deepEqual(list(D), [], 'empty');
});