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54 lines
1.4 KiB
54 lines
1.4 KiB
'use strict';
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require('../common');
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var assert = require('assert');
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var stream = require('stream');
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var chunk = Buffer.from('hallo');
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var util = require('util');
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function TestWriter() {
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stream.Writable.call(this);
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}
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util.inherits(TestWriter, stream.Writable);
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TestWriter.prototype._write = function(buffer, encoding, callback) {
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callback(null);
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};
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var dest = new TestWriter();
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// Set this high so that we'd trigger a nextTick warning
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// and/or RangeError if we do maybeReadMore wrong.
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function TestReader() {
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stream.Readable.call(this, { highWaterMark: 0x10000 });
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}
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util.inherits(TestReader, stream.Readable);
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TestReader.prototype._read = function(size) {
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this.push(chunk);
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};
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var src = new TestReader();
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for (var i = 0; i < 10; i++) {
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src.pipe(dest);
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src.unpipe(dest);
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}
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assert.equal(src.listeners('end').length, 0);
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assert.equal(src.listeners('readable').length, 0);
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assert.equal(dest.listeners('unpipe').length, 0);
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assert.equal(dest.listeners('drain').length, 0);
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assert.equal(dest.listeners('error').length, 0);
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assert.equal(dest.listeners('close').length, 0);
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assert.equal(dest.listeners('finish').length, 0);
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console.error(src._readableState);
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process.on('exit', function() {
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src._readableState.buffer.length = 0;
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console.error(src._readableState);
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assert(src._readableState.length >= src._readableState.highWaterMark);
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console.log('ok');
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});
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