nodejs/test/parallel/test-buffer-sharedarraybuffer.js
Ruben Bridgewater 644fdd60d4
test: minor refactoring
Add punctuation and comments about code that should not throw.
Also remove a obsolete test and refactor some tests.

PR-URL: https://github.com/nodejs/node/pull/18669
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2018-02-16 16:54:07 +01:00

29 lines
651 B
JavaScript

/*global SharedArrayBuffer*/
'use strict';
require('../common');
const assert = require('assert');
const sab = new SharedArrayBuffer(24);
const arr1 = new Uint16Array(sab);
const arr2 = new Uint16Array(12);
arr2[0] = 5000;
arr1[0] = 5000;
arr1[1] = 4000;
arr2[1] = 4000;
const arr_buf = Buffer.from(arr1.buffer);
const ar_buf = Buffer.from(arr2.buffer);
assert.deepStrictEqual(arr_buf, ar_buf);
arr1[1] = 6000;
arr2[1] = 6000;
assert.deepStrictEqual(arr_buf, ar_buf);
// Checks for calling Buffer.byteLength on a SharedArrayBuffer.
assert.strictEqual(Buffer.byteLength(sab), sab.byteLength);
Buffer.from({ buffer: sab }); // Should not throw.