'use strict'; require('../common'); const assert = require('assert'); const spawnSync = require('child_process').spawnSync; const msgOut = 'this is stdout'; // This is actually not os.EOL? const msgOutBuf = Buffer.from(msgOut + '\n'); const args = [ '-e', `console.log("${msgOut}");` ]; const options = { maxBuffer: 1 }; const ret = spawnSync(process.execPath, args, options); assert.ok(ret.error, 'maxBuffer should error'); assert.strictEqual(ret.error.errno, 'ENOBUFS'); // We can have buffers larger than maxBuffer because underneath we alloc 64k // that matches our read sizes assert.deepEqual(ret.stdout, msgOutBuf);