154 lines
3.4 KiB
JavaScript
154 lines
3.4 KiB
JavaScript
if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
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var B = require('../').Buffer
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var test = require('tape')
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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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