11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_cirequire('../common'); 41cb0ef41Sopenharmony_ciconst assert = require('assert'); 51cb0ef41Sopenharmony_ci 61cb0ef41Sopenharmony_ciconst sab = new SharedArrayBuffer(24); 71cb0ef41Sopenharmony_ciconst arr1 = new Uint16Array(sab); 81cb0ef41Sopenharmony_ciconst arr2 = new Uint16Array(12); 91cb0ef41Sopenharmony_ciarr2[0] = 5000; 101cb0ef41Sopenharmony_ciarr1[0] = 5000; 111cb0ef41Sopenharmony_ciarr1[1] = 4000; 121cb0ef41Sopenharmony_ciarr2[1] = 4000; 131cb0ef41Sopenharmony_ci 141cb0ef41Sopenharmony_ciconst arr_buf = Buffer.from(arr1.buffer); 151cb0ef41Sopenharmony_ciconst ar_buf = Buffer.from(arr2.buffer); 161cb0ef41Sopenharmony_ci 171cb0ef41Sopenharmony_ciassert.deepStrictEqual(arr_buf, ar_buf); 181cb0ef41Sopenharmony_ci 191cb0ef41Sopenharmony_ciarr1[1] = 6000; 201cb0ef41Sopenharmony_ciarr2[1] = 6000; 211cb0ef41Sopenharmony_ci 221cb0ef41Sopenharmony_ciassert.deepStrictEqual(arr_buf, ar_buf); 231cb0ef41Sopenharmony_ci 241cb0ef41Sopenharmony_ci// Checks for calling Buffer.byteLength on a SharedArrayBuffer. 251cb0ef41Sopenharmony_ciassert.strictEqual(Buffer.byteLength(sab), sab.byteLength); 261cb0ef41Sopenharmony_ci 271cb0ef41Sopenharmony_ciBuffer.from({ buffer: sab }); // Should not throw. 28