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bb29405904
PR-URL: https://github.com/nodejs/node/pull/14162 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Timothy Gu <timothygu99@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
31 lines
704 B
JavaScript
31 lines
704 B
JavaScript
/*global SharedArrayBuffer*/
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'use strict';
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// Flags: --harmony-sharedarraybuffer
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require('../common');
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const assert = require('assert');
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const sab = new SharedArrayBuffer(24);
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const arr1 = new Uint16Array(sab);
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const arr2 = new Uint16Array(12);
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arr2[0] = 5000;
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arr1[0] = 5000;
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arr1[1] = 4000;
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arr2[1] = 4000;
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const arr_buf = Buffer.from(arr1.buffer);
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const ar_buf = Buffer.from(arr2.buffer);
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assert.deepStrictEqual(arr_buf, ar_buf, 0);
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arr1[1] = 6000;
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arr2[1] = 6000;
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assert.deepStrictEqual(arr_buf, ar_buf, 0);
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// Checks for calling Buffer.byteLength on a SharedArrayBuffer
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assert.strictEqual(Buffer.byteLength(sab), sab.byteLength, 0);
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assert.doesNotThrow(() => Buffer.from({ buffer: sab }));
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