[6a3a178] | 1 | var tape = require('tape')
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| 2 | , EE = require('events').EventEmitter
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| 3 | , util = require('util')
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| 4 |
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| 5 |
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| 6 | , isStream = require('./')
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| 7 | , isReadable = require('./').isReadable
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| 8 | , isWritable = require('./').isWritable
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| 9 | , isDuplex = require('./').isDuplex
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| 10 |
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| 11 | , CoreStreams = require('stream')
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| 12 | , ReadableStream10 = require('./readable-stream-1.0/')
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| 13 | , ReadableStream11 = require('./readable-stream-1.1/')
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| 14 |
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| 15 |
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| 16 | function test (pass, type, stream) {
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| 17 | tape('isStream(' + type + ')', function (t) {
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| 18 | t.plan(1)
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| 19 | t.ok(pass === isStream(stream), type)
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| 20 | })
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| 21 | }
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| 22 |
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| 23 |
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| 24 | function testReadable (pass, type, stream) {
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| 25 | tape('isReadable(' + type + ')', function (t) {
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| 26 | t.plan(1)
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| 27 | t.ok(pass === isReadable(stream), type)
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| 28 | })
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| 29 | }
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| 30 |
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| 31 |
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| 32 | function testWritable (pass, type, stream) {
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| 33 | tape('isWritable(' + type + ')', function (t) {
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| 34 | t.plan(1)
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| 35 | t.ok(pass === isWritable(stream), type)
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| 36 | })
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| 37 | }
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| 38 |
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| 39 |
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| 40 | function testDuplex (pass, type, stream) {
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| 41 | tape('isDuplex(' + type + ')', function (t) {
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| 42 | t.plan(1)
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| 43 | t.ok(pass === isDuplex(stream), type)
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| 44 | })
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| 45 | }
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| 46 |
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| 47 |
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| 48 | [ undefined, null, '', true, false, 0, 1, 1.0, 'string', {}, function foo () {} ].forEach(function (o) {
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| 49 | test(false, 'non-stream / primitive: ' + (JSON.stringify(o) || (o && o.toString()) || o), o)
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| 50 | })
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| 51 |
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| 52 |
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| 53 | test(false, 'fake stream obj', { pipe: function () {} })
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| 54 |
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| 55 |
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| 56 | ;(function () {
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| 57 |
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| 58 | // looks like a stream!
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| 59 |
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| 60 | function Stream () {
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| 61 | EE.call(this)
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| 62 | }
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| 63 | util.inherits(Stream, EE)
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| 64 | Stream.prototype.pipe = function () {}
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| 65 | Stream.Stream = Stream
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| 66 |
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| 67 | test(false, 'fake stream "new Stream()"', new Stream())
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| 68 |
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| 69 | }())
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| 70 |
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| 71 |
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| 72 | test(true, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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| 73 | test(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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| 74 | test(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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| 75 | test(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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| 76 | test(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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| 77 | test(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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| 78 |
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| 79 | test(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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| 80 | test(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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| 81 | test(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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| 82 | test(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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| 83 | test(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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| 84 |
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| 85 | test(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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| 86 | test(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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| 87 | test(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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| 88 | test(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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| 89 | test(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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| 90 |
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| 91 |
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| 92 | testReadable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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| 93 | testReadable(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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| 94 | testReadable(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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| 95 | testReadable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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| 96 | testReadable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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| 97 | testReadable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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| 98 |
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| 99 | testReadable(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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| 100 | testReadable(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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| 101 | testReadable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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| 102 | testReadable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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| 103 | testReadable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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| 104 |
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| 105 | testReadable(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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| 106 | testReadable(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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| 107 | testReadable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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| 108 | testReadable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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| 109 | testReadable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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| 110 |
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| 111 |
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| 112 | testWritable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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| 113 | testWritable(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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| 114 | testWritable(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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| 115 | testWritable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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| 116 | testWritable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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| 117 | testWritable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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| 118 |
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| 119 | testWritable(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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| 120 | testWritable(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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| 121 | testWritable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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| 122 | testWritable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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| 123 | testWritable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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| 124 |
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| 125 | testWritable(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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| 126 | testWritable(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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| 127 | testWritable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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| 128 | testWritable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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| 129 | testWritable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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| 130 |
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| 131 |
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| 132 | testDuplex(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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| 133 | testDuplex(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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| 134 | testDuplex(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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| 135 | testDuplex(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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| 136 | testDuplex(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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| 137 | testDuplex(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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| 138 |
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| 139 | testDuplex(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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| 140 | testDuplex(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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| 141 | testDuplex(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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| 142 | testDuplex(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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| 143 | testDuplex(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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| 144 |
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| 145 | testDuplex(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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| 146 | testDuplex(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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| 147 | testDuplex(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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| 148 | testDuplex(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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| 149 | testDuplex(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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| 150 |
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| 151 |
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| 152 | ;[ CoreStreams, ReadableStream10, ReadableStream11 ].forEach(function (p) {
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| 153 | [ 'Stream', 'Readable', 'Writable', 'Duplex', 'Transform', 'PassThrough' ].forEach(function (k) {
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| 154 | if (!p[k])
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| 155 | return
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| 156 |
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| 157 | function SubStream () {
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| 158 | p[k].call(this)
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| 159 | }
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| 160 | util.inherits(SubStream, p[k])
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| 161 |
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| 162 | test(true, 'Stream subclass: ' + p.name + '.' + k, new SubStream())
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| 163 |
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| 164 | })
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| 165 | })
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| 166 |
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| 167 |
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| 168 |
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