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1
var B = require('../').Buffer

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var test = require('tape')

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if (process.env.OBJECT_IMPL) B.TYPED_ARRAY_SUPPORT = false

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test('new buffer from array', function (t) {

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  t.equal(

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    new B([1, 2, 3]).toString(),

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    '\u0001\u0002\u0003'

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  )

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  t.end()

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})

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test('new buffer from array w/ negatives', function (t) {

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  t.equal(

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    new B([-1, -2, -3]).toString('hex'),

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    'fffefd'

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  )

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  t.end()

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})

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test('new buffer from array with mixed signed input', function (t) {

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  t.equal(

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    new B([-255, 255, -128, 128, 512, -512, 511, -511]).toString('hex'),

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    '01ff80800000ff01'

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  )

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  t.end()

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})

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test('new buffer from string', function (t) {

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  t.equal(

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    new B('hey', 'utf8').toString(),

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    'hey'

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  )

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  t.end()

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})

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test('new buffer from buffer', function (t) {

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  var b1 = new B('asdf')

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  var b2 = new B(b1)

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  t.equal(b1.toString('hex'), b2.toString('hex'))

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  t.end()

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})

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test('new buffer from Uint8Array', function (t) {

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  if (typeof Uint8Array !== 'undefined') {

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    var b1 = new Uint8Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Uint16Array', function (t) {

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  if (typeof Uint16Array !== 'undefined') {

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    var b1 = new Uint16Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Uint32Array', function (t) {

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  if (typeof Uint32Array !== 'undefined') {

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    var b1 = new Uint32Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Int16Array', function (t) {

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  if (typeof Int16Array !== 'undefined') {

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    var b1 = new Int16Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Int32Array', function (t) {

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  if (typeof Int32Array !== 'undefined') {

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    var b1 = new Int32Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Float32Array', function (t) {

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  if (typeof Float32Array !== 'undefined') {

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    var b1 = new Float32Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from Float64Array', function (t) {

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  if (typeof Float64Array !== 'undefined') {

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    var b1 = new Float64Array([0, 1, 2, 3])

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    var b2 = new B(b1)

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    t.equal(b1.length, b2.length)

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    t.equal(b1[0], 0)

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    t.equal(b1[1], 1)

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    t.equal(b1[2], 2)

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    t.equal(b1[3], 3)

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    t.equal(b1[4], undefined)

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  }

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  t.end()

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})

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test('new buffer from buffer.toJSON() output', function (t) {

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  if (typeof JSON === 'undefined') {

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    // ie6, ie7 lack support

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    t.end()

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    return

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  }

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  var buf = new B('test')

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  var json = JSON.stringify(buf)

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  var obj = JSON.parse(json)

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  var copy = new B(obj)

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  t.ok(buf.equals(copy))

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  t.end()

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})

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