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test: add failing test for readline with carriage return
PR-URL: #46075 Refs: #45992 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
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test/known_issues/test-readline-big-file-carriage-return.js
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'use strict'; | ||
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// Context: https://github.com/nodejs/node/issues/45992 | ||
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require('../common'); | ||
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const assert = require('assert'); | ||
const fs = require('fs'); | ||
const readline = require('readline'); | ||
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const tmpdir = require('../common/tmpdir'); | ||
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tmpdir.refresh(); | ||
fs.mkdtempSync(`${tmpdir.path}/`); | ||
const path = `${tmpdir.path}/foo`; | ||
const writeStream = fs.createWriteStream(path); | ||
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function write(iteration, callback) { | ||
for (; iteration < 16384; iteration += 1) { | ||
if (!writeStream.write('foo\r\n')) { | ||
writeStream.once('drain', () => write(iteration + 1, callback)); | ||
return; | ||
} | ||
} | ||
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writeStream.end(); | ||
callback(); | ||
} | ||
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write(0, () => { | ||
const input = fs.createReadStream(path); | ||
const rl = readline.createInterface({ input, crlfDelay: Infinity }); | ||
let carriageReturns = 0; | ||
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rl.on('line', (x) => { | ||
if (x.includes('\r')) carriageReturns += 1; | ||
}); | ||
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rl.on('close', () => { | ||
assert.strictEqual(carriageReturns, 0); | ||
}); | ||
}); |