concat.test.ts

import { expect, test } from 'vitest'

import { concat, concatBytes, concatHex } from './concat.js'

test('concat', () => {
  expect(concat(['0x0', '0x1'])).toBe('0x01')
  expect(concat(['0x1', '0x69', '0x420'])).toBe('0x169420')
  expect(concat(['0x00000001', '0x00000069', '0x00000420'])).toBe(
    '0x000000010000006900000420',
  )
  expect(concatHex(['0x00000001', '0x00000069', '0x00000420'])).toBe(
    '0x000000010000006900000420',
  )

  expect(concat([new Uint8Array([0]), new Uint8Array([1])])).toStrictEqual(
    new Uint8Array([0, 1]),
  )
  expect(concatBytes([new Uint8Array([0]), new Uint8Array([1])])).toStrictEqual(
    new Uint8Array([0, 1]),
  )
  expect(
    concat([
      new Uint8Array([1]),
      new Uint8Array([69]),
      new Uint8Array([420, 69]),
    ]),
  ).toStrictEqual(new Uint8Array([1, 69, 420, 69]))
  expect(
    concat([
      new Uint8Array([0, 0, 0, 1]),
      new Uint8Array([0, 0, 0, 69]),
      new Uint8Array([0, 0, 420, 69]),
    ]),
  ).toStrictEqual(new Uint8Array([0, 0, 0, 1, 0, 0, 0, 69, 0, 0, 420, 69]))
})