mirror of https://gitee.com/openkylin/nodejs.git
28 lines
622 B
JavaScript
28 lines
622 B
JavaScript
'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.
|