nodejs
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‎test/known_issues/test-readline-big-file-carriage-return.js‎
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+42Lines changed: 42 additions & 0 deletions b/Collapse file
‎test/known_issues/test-readline-big-file-carriage-return.js‎
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+42Lines changed: 42 additions & 0 deletions
@@ -0,0 +1,42 @@
+'use strict';
+
+// Context: https://github.com/nodejs/node/issues/45992
+
+require('../common');
+
+const assert = require('assert');
+const fs = require('fs');
+const readline = require('readline');
+
+const tmpdir = require('../common/tmpdir');
+
+tmpdir.refresh();
+fs.mkdtempSync(`${tmpdir.path}/`);
+const path = `${tmpdir.path}/foo`;
+const writeStream = fs.createWriteStream(path);
+
+function write(iteration, callback) {
+  for (; iteration < 16384; iteration += 1) {
+    if (!writeStream.write('foo\r\n')) {
+      writeStream.once('drain', () => write(iteration + 1, callback));
+      return;
+    }
+  }
+
+  writeStream.end();
+  callback();
+}
+
+write(0, () => {
+  const input = fs.createReadStream(path);
+  const rl = readline.createInterface({ input, crlfDelay: Infinity });
+  let carriageReturns = 0;
+
+  rl.on('line', (x) => {
+    if (x.includes('\r')) carriageReturns += 1;
+  });
+
+  rl.on('close', () => {
+    assert.strictEqual(carriageReturns, 0);
+  });
+});