test/parallel/test-buffer-tostring-rangeerror.js


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'use strict';
require('../common');

// This test ensures that Node.js throws a RangeError when trying to convert a
// gigantic buffer into a string.
// Regression test for https://github.com/nodejs/node/issues/649.

const assert = require('assert');
const SlowBuffer = require('buffer').SlowBuffer;

const len = 1422561062959;
const message = {
  code: 'ERR_OUT_OF_RANGE',
  name: 'RangeError',
};
assert.throws(() => Buffer(len).toString('utf8'), message);
assert.throws(() => SlowBuffer(len).toString('utf8'), message);
assert.throws(() => Buffer.alloc(len).toString('utf8'), message);
assert.throws(() => Buffer.allocUnsafe(len).toString('utf8'), message);
assert.throws(() => Buffer.allocUnsafeSlow(len).toString('utf8'), message);