mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-25 01:45:15 +00:00
296 lines
6.0 KiB
JavaScript
296 lines
6.0 KiB
JavaScript
var tape = require('tape')
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var through = require('through2')
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var concat = require('concat-stream')
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var net = require('net')
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var duplexify = require('./')
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var HELLO_WORLD = (Buffer.from && Buffer.from !== Uint8Array.from)
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? Buffer.from('hello world')
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: new Buffer('hello world')
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tape('passthrough', function(t) {
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t.plan(2)
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var pt = through()
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var dup = duplexify(pt, pt)
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dup.end('hello world')
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dup.on('finish', function() {
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t.ok(true, 'should finish')
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})
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dup.pipe(concat(function(data) {
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t.same(data.toString(), 'hello world', 'same in as out')
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}))
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})
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tape('passthrough + double end', function(t) {
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t.plan(2)
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var pt = through()
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var dup = duplexify(pt, pt)
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dup.end('hello world')
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dup.end()
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dup.on('finish', function() {
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t.ok(true, 'should finish')
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})
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dup.pipe(concat(function(data) {
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t.same(data.toString(), 'hello world', 'same in as out')
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}))
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})
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tape('async passthrough + end', function(t) {
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t.plan(2)
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var pt = through.obj({highWaterMark:1}, function(data, enc, cb) {
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setTimeout(function() {
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cb(null, data)
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}, 100)
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})
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var dup = duplexify(pt, pt)
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dup.write('hello ')
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dup.write('world')
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dup.end()
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dup.on('finish', function() {
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t.ok(true, 'should finish')
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})
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dup.pipe(concat(function(data) {
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t.same(data.toString(), 'hello world', 'same in as out')
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}))
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})
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tape('duplex', function(t) {
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var readExpected = ['read-a', 'read-b', 'read-c']
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var writeExpected = ['write-a', 'write-b', 'write-c']
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t.plan(readExpected.length+writeExpected.length+2)
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var readable = through.obj()
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var writable = through.obj(function(data, enc, cb) {
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t.same(data, writeExpected.shift(), 'onwrite should match')
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cb()
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})
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var dup = duplexify.obj(writable, readable)
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readExpected.slice().forEach(function(data) {
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readable.write(data)
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})
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readable.end()
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writeExpected.slice().forEach(function(data) {
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dup.write(data)
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})
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dup.end()
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dup.on('data', function(data) {
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t.same(data, readExpected.shift(), 'ondata should match')
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})
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dup.on('end', function() {
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t.ok(true, 'should end')
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})
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dup.on('finish', function() {
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t.ok(true, 'should finish')
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})
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})
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tape('async', function(t) {
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var dup = duplexify()
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var pt = through()
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dup.pipe(concat(function(data) {
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t.same(data.toString(), 'i was async', 'same in as out')
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t.end()
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}))
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dup.write('i')
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dup.write(' was ')
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dup.end('async')
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setTimeout(function() {
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dup.setWritable(pt)
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setTimeout(function() {
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dup.setReadable(pt)
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}, 50)
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}, 50)
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})
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tape('destroy', function(t) {
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t.plan(2)
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var write = through()
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var read = through()
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var dup = duplexify(write, read)
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write.destroy = function() {
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t.ok(true, 'write destroyed')
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}
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dup.on('close', function() {
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t.ok(true, 'close emitted')
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})
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dup.destroy()
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dup.destroy() // should only work once
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})
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tape('destroy both', function(t) {
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t.plan(3)
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var write = through()
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var read = through()
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var dup = duplexify(write, read)
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write.destroy = function() {
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t.ok(true, 'write destroyed')
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}
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read.destroy = function() {
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t.ok(true, 'read destroyed')
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}
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dup.on('close', function() {
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t.ok(true, 'close emitted')
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})
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dup.destroy()
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dup.destroy() // should only work once
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})
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tape('bubble read errors', function(t) {
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t.plan(2)
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var write = through()
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var read = through()
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var dup = duplexify(write, read)
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dup.on('error', function(err) {
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t.same(err.message, 'read-error', 'received read error')
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})
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dup.on('close', function() {
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t.ok(true, 'close emitted')
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})
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read.emit('error', new Error('read-error'))
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write.emit('error', new Error('write-error')) // only emit first error
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})
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tape('bubble write errors', function(t) {
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t.plan(2)
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var write = through()
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var read = through()
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var dup = duplexify(write, read)
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dup.on('error', function(err) {
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t.same(err.message, 'write-error', 'received write error')
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})
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dup.on('close', function() {
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t.ok(true, 'close emitted')
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})
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write.emit('error', new Error('write-error'))
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read.emit('error', new Error('read-error')) // only emit first error
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})
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tape('reset writable / readable', function(t) {
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t.plan(3)
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var toUpperCase = function(data, enc, cb) {
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cb(null, data.toString().toUpperCase())
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}
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var passthrough = through()
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var upper = through(toUpperCase)
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var dup = duplexify(passthrough, passthrough)
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dup.once('data', function(data) {
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t.same(data.toString(), 'hello')
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dup.setWritable(upper)
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dup.setReadable(upper)
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dup.once('data', function(data) {
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t.same(data.toString(), 'HELLO')
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dup.once('data', function(data) {
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t.same(data.toString(), 'HI')
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t.end()
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})
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})
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dup.write('hello')
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dup.write('hi')
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})
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dup.write('hello')
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})
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tape('cork', function(t) {
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var passthrough = through()
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var dup = duplexify(passthrough, passthrough)
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var ok = false
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dup.on('prefinish', function() {
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dup.cork()
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setTimeout(function() {
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ok = true
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dup.uncork()
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}, 100)
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})
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dup.on('finish', function() {
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t.ok(ok)
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t.end()
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})
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dup.end()
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})
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tape('prefinish not twice', function(t) {
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var passthrough = through()
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var dup = duplexify(passthrough, passthrough)
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var prefinished = false
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dup.on('prefinish', function() {
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t.ok(!prefinished, 'only prefinish once')
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prefinished = true
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})
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dup.on('finish', function() {
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t.end()
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})
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dup.end()
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})
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tape('close', function(t) {
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var passthrough = through()
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var dup = duplexify(passthrough, passthrough)
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passthrough.emit('close')
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dup.on('close', function() {
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t.ok(true, 'should forward close')
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t.end()
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})
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})
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tape('works with node native streams (net)', function(t) {
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t.plan(1)
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var server = net.createServer(function(socket) {
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var dup = duplexify(socket, socket)
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dup.once('data', function(chunk) {
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t.same(chunk, HELLO_WORLD)
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server.close()
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socket.end()
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t.end()
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})
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})
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server.listen(0, function () {
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var socket = net.connect(server.address().port)
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var dup = duplexify(socket, socket)
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dup.write(HELLO_WORLD)
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})
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})
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