// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0

import { combine } from './combine'

describe('combine', () => {
  it('concatenates transaction and signature and strips the leading 2 chars', () => {
    // slice(2) removes the first byte (magic byte) from the concatenated hex string
    expect(combine('03aabbcc', ['ddeeff'])).toBe('aabbccddeeff')
  })

  it('throws when more than one signature is provided', () => {
    expect(() => combine('0xdeadbeef', ['0xsig0', '0xsig1'])).toThrow(
      'Tezos combine expects exactly one signature, got 2'
    )
  })
})