deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream-writable-clear-buffer.js

test-stream-writable-clear-buffer.js
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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
// This test ensures that the _writeableState.bufferedRequestCount and// the actual buffered request count are the same.
const common = require('../common');const Stream = require('stream');const assert = require('assert');
class StreamWritable extends Stream.Writable { constructor() { super({ objectMode: true }); }
// Refs: https://github.com/nodejs/node/issues/6758 // We need a timer like on the original issue thread. // Otherwise the code will never reach our test case. _write(chunk, encoding, cb) { setImmediate(cb); }}
const testStream = new StreamWritable();testStream.cork();
for (let i = 1; i <= 5; i++) { testStream.write(i, common.mustCall(() => { assert.strictEqual( testStream._writableState.bufferedRequestCount, testStream._writableState.getBuffer().length ); }));}
testStream.end();
std

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Tagged at
a year ago