晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/lib/node_modules/npm/node_modules/isstream/
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Current File : //lib/node_modules/npm/node_modules/isstream/test.js
var tape             = require('tape')
  , EE               = require('events').EventEmitter
  , util             = require('util')


  , isStream         = require('./')
  , isReadable       = require('./').isReadable
  , isWritable       = require('./').isWritable
  , isDuplex         = require('./').isDuplex

  , CoreStreams      = require('stream')
  , ReadableStream10 = require('./readable-stream-1.0/')
  , ReadableStream11 = require('./readable-stream-1.1/')


function test (pass, type, stream) {
  tape('isStream('  + type + ')', function (t) {
    t.plan(1)
    t.ok(pass === isStream(stream), type)
  })
}


function testReadable (pass, type, stream) {
  tape('isReadable('  + type + ')', function (t) {
    t.plan(1)
    t.ok(pass === isReadable(stream), type)
  })
}


function testWritable (pass, type, stream) {
  tape('isWritable('  + type + ')', function (t) {
    t.plan(1)
    t.ok(pass === isWritable(stream), type)
  })
}


function testDuplex (pass, type, stream) {
  tape('isDuplex('  + type + ')', function (t) {
    t.plan(1)
    t.ok(pass === isDuplex(stream), type)
  })
}


[ undefined, null, '', true, false, 0, 1, 1.0, 'string', {}, function foo () {} ].forEach(function (o) {
  test(false, 'non-stream / primitive: ' + (JSON.stringify(o) || (o && o.toString()) || o), o)
})


test(false, 'fake stream obj', { pipe: function () {} })


;(function () {

  // looks like a stream!

  function Stream () {
    EE.call(this)
  }
  util.inherits(Stream, EE)
  Stream.prototype.pipe = function () {}
  Stream.Stream = Stream

  test(false, 'fake stream "new Stream()"', new Stream())

}())


test(true, 'CoreStreams.Stream', new (CoreStreams.Stream)())
test(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
test(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
test(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
test(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
test(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

test(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
test(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
test(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
test(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
test(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

test(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
test(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
test(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
test(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
test(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())


testReadable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
testReadable(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
testReadable(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
testReadable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
testReadable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
testReadable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testReadable(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
testReadable(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
testReadable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
testReadable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
testReadable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testReadable(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
testReadable(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
testReadable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
testReadable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
testReadable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())


testWritable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
testWritable(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
testWritable(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
testWritable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
testWritable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
testWritable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testWritable(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
testWritable(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
testWritable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
testWritable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
testWritable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testWritable(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
testWritable(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
testWritable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
testWritable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
testWritable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())


testDuplex(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
testDuplex(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
testDuplex(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
testDuplex(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
testDuplex(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
testDuplex(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())

testDuplex(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
testDuplex(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
testDuplex(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
testDuplex(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
testDuplex(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())

testDuplex(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
testDuplex(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
testDuplex(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
testDuplex(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
testDuplex(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())


;[ CoreStreams, ReadableStream10, ReadableStream11 ].forEach(function (p) {
  [ 'Stream', 'Readable', 'Writable', 'Duplex', 'Transform', 'PassThrough' ].forEach(function (k) {
    if (!p[k])
      return

    function SubStream () {
      p[k].call(this)
    }
    util.inherits(SubStream, p[k])

    test(true, 'Stream subclass: ' + p.name + '.' + k, new SubStream())

  })
})