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x/rambda/adjust.spec.js

Faster and smaller alternative to Ramda
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import { add } from './add'import { adjust } from './adjust'import { pipe } from './pipe'
const list = [ 0, 1, 2 ]const expected = [ 0, 11, 2 ]
test('happy', () => {})
test('happy', () => { expect(adjust( 1, add(10), list )).toEqual(expected)})
test('with curring type 1 1 1', () => { expect(adjust(1)(add(10))(list)).toEqual(expected)})
test('with curring type 1 2', () => { expect(adjust(1)(add(10), list)).toEqual(expected)})
test('with curring type 2 1', () => { expect(adjust(1, add(10))(list)).toEqual(expected)})
test('with negative index', () => { expect(adjust( -2, add(10), list )).toEqual(expected)})
test('when index is out of bounds', () => { const list = [ 0, 1, 2, 3 ] expect(adjust( 4, add(1), list )).toEqual(list) expect(adjust( -5, add(1), list )).toEqual(list)})