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254058109f
PR-URL: https://github.com/nodejs/node/pull/19596 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
29 lines
653 B
JavaScript
29 lines
653 B
JavaScript
/* global SharedArrayBuffer */
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'use strict';
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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);
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arr1[1] = 6000;
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arr2[1] = 6000;
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assert.deepStrictEqual(arr_buf, ar_buf);
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// Checks for calling Buffer.byteLength on a SharedArrayBuffer.
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assert.strictEqual(Buffer.byteLength(sab), sab.byteLength);
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Buffer.from({ buffer: sab }); // Should not throw.
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