11cb0ef41Sopenharmony_ci'use strict';
21cb0ef41Sopenharmony_ci// Flags: --expose-gc
31cb0ef41Sopenharmony_ci
41cb0ef41Sopenharmony_ci// Regression test for https://github.com/nodejs/node/issues/8251.
51cb0ef41Sopenharmony_ciconst common = require('../common');
61cb0ef41Sopenharmony_ciconst net = require('net');
71cb0ef41Sopenharmony_ci
81cb0ef41Sopenharmony_ciconst data = Buffer.alloc(1000000).toString('hex');
91cb0ef41Sopenharmony_ci
101cb0ef41Sopenharmony_ciconst server = net.createServer(common.mustCall(function(conn) {
111cb0ef41Sopenharmony_ci  conn.resume();
121cb0ef41Sopenharmony_ci})).listen(0, common.mustCall(function() {
131cb0ef41Sopenharmony_ci  const conn = net.createConnection(this.address().port, common.mustCall(() => {
141cb0ef41Sopenharmony_ci    let count = 0;
151cb0ef41Sopenharmony_ci
161cb0ef41Sopenharmony_ci    function writeLoop() {
171cb0ef41Sopenharmony_ci      if (count++ === 20) {
181cb0ef41Sopenharmony_ci        conn.destroy();
191cb0ef41Sopenharmony_ci        server.close();
201cb0ef41Sopenharmony_ci        return;
211cb0ef41Sopenharmony_ci      }
221cb0ef41Sopenharmony_ci
231cb0ef41Sopenharmony_ci      while (conn.write(data, 'hex'));
241cb0ef41Sopenharmony_ci      global.gc({ type: 'minor' });
251cb0ef41Sopenharmony_ci      // The buffer allocated inside the .write() call should still be alive.
261cb0ef41Sopenharmony_ci    }
271cb0ef41Sopenharmony_ci
281cb0ef41Sopenharmony_ci    conn.on('drain', writeLoop);
291cb0ef41Sopenharmony_ci
301cb0ef41Sopenharmony_ci    writeLoop();
311cb0ef41Sopenharmony_ci  }));
321cb0ef41Sopenharmony_ci}));
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