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/* global describe, it */

var assert = require('assert')
var xor = require('../')
var xorInplace = require('../inplace')
var fixtures = require('./fixtures')

describe('xor', function () {
  fixtures.forEach(function (f) {
    it('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function () {
      var a = new Buffer(f.a, 'hex')
      var b = new Buffer(f.b, 'hex')
      var actual = xor(a, b)

      assert.equal(actual.toString('hex'), f.expected)

      // a/b unchanged
      assert.equal(a.toString('hex'), f.a)
      assert.equal(b.toString('hex'), f.b)
    })
  })
})

describe('xor/inplace', function () {
  fixtures.forEach(function (f) {
    it('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function () {
      var a = new Buffer(f.a, 'hex')
      var b = new Buffer(f.b, 'hex')
      var actual = xorInplace(a, b)

      assert.equal(actual.toString('hex'), f.expected)

      // a mutated, b unchanged
      assert.equal(a.toString('hex'), f.mutated || f.expected)
      assert.equal(b.toString('hex'), f.b)
    })
  })
})