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4f2e372716
Export a new common.noop no-operation function for general use. Allow using common.mustCall() without a fn argument to simplify test cases. Replace various non-op functions throughout tests with common.noop PR-URL: https://github.com/nodejs/node/pull/12027 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
38 lines
932 B
JavaScript
38 lines
932 B
JavaScript
'use strict';
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const common = require('../common');
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const stream = require('stream');
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const reader = new stream.Readable();
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const writer1 = new stream.Writable();
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const writer2 = new stream.Writable();
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// 560000 is chosen here because it is larger than the (default) highWaterMark
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// and will cause `.write()` to return false
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// See: https://github.com/nodejs/node/issues/2323
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const buffer = Buffer.allocUnsafe(560000);
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reader._read = common.noop;
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writer1._write = common.mustCall(function(chunk, encoding, cb) {
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this.emit('chunk-received');
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cb();
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}, 1);
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writer1.once('chunk-received', function() {
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reader.unpipe(writer1);
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reader.pipe(writer2);
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reader.push(buffer);
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setImmediate(function() {
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reader.push(buffer);
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setImmediate(function() {
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reader.push(buffer);
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});
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});
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});
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writer2._write = common.mustCall(function(chunk, encoding, cb) {
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cb();
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}, 3);
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reader.pipe(writer1);
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reader.push(buffer);
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