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/*global SharedArrayBuffer*/
'use strict';
// Flags: --harmony-sharedarraybuffer
require('../common');
const assert = require('assert');
const Buffer = require('buffer').Buffer;
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, 0);
arr1[1] = 6000;
arr2[1] = 6000;
assert.deepStrictEqual(arr_buf, ar_buf, 0);
// Checks for calling Buffer.byteLength on a SharedArrayBuffer
assert.strictEqual(Buffer.byteLength(sab), sab.byteLength, 0);
assert.doesNotThrow(() => Buffer.from({buffer: sab}));
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