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168 lines
6.8 KiB
168 lines
6.8 KiB
var tape = require('tape')
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, EE = require('events').EventEmitter
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, util = require('util')
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, isStream = require('./')
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, isReadable = require('./').isReadable
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, isWritable = require('./').isWritable
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, isDuplex = require('./').isDuplex
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, CoreStreams = require('stream')
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, ReadableStream10 = require('./readable-stream-1.0/')
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, ReadableStream11 = require('./readable-stream-1.1/')
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function test (pass, type, stream) {
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tape('isStream(' + type + ')', function (t) {
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t.plan(1)
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t.ok(pass === isStream(stream), type)
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})
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}
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function testReadable (pass, type, stream) {
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tape('isReadable(' + type + ')', function (t) {
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t.plan(1)
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t.ok(pass === isReadable(stream), type)
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})
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}
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function testWritable (pass, type, stream) {
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tape('isWritable(' + type + ')', function (t) {
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t.plan(1)
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t.ok(pass === isWritable(stream), type)
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})
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}
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function testDuplex (pass, type, stream) {
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tape('isDuplex(' + type + ')', function (t) {
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t.plan(1)
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t.ok(pass === isDuplex(stream), type)
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})
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}
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[ undefined, null, '', true, false, 0, 1, 1.0, 'string', {}, function foo () {} ].forEach(function (o) {
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test(false, 'non-stream / primitive: ' + (JSON.stringify(o) || (o && o.toString()) || o), o)
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})
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test(false, 'fake stream obj', { pipe: function () {} })
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;(function () {
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// looks like a stream!
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function Stream () {
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EE.call(this)
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}
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util.inherits(Stream, EE)
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Stream.prototype.pipe = function () {}
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Stream.Stream = Stream
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test(false, 'fake stream "new Stream()"', new Stream())
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}())
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test(true, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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test(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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test(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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test(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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test(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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test(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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test(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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test(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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test(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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test(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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test(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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test(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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test(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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test(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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test(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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test(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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testReadable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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testReadable(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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testReadable(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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testReadable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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testReadable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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testReadable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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testReadable(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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testReadable(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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testReadable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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testReadable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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testReadable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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testReadable(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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testReadable(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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testReadable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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testReadable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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testReadable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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testWritable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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testWritable(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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testWritable(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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testWritable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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testWritable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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testWritable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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testWritable(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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testWritable(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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testWritable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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testWritable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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testWritable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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testWritable(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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testWritable(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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testWritable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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testWritable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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testWritable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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testDuplex(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
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testDuplex(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
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testDuplex(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
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testDuplex(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
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testDuplex(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
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testDuplex(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
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testDuplex(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
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testDuplex(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
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testDuplex(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
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testDuplex(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
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testDuplex(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
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testDuplex(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
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testDuplex(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
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testDuplex(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
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testDuplex(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
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testDuplex(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
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;[ CoreStreams, ReadableStream10, ReadableStream11 ].forEach(function (p) {
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[ 'Stream', 'Readable', 'Writable', 'Duplex', 'Transform', 'PassThrough' ].forEach(function (k) {
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if (!p[k])
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return
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function SubStream () {
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p[k].call(this)
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}
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util.inherits(SubStream, p[k])
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test(true, 'Stream subclass: ' + p.name + '.' + k, new SubStream())
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})
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})
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