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This commit defines SharedArrayBuffer as a global for all tests, rather than adding comments to individual tests. PR-URL: https://github.com/nodejs/node/pull/20849 Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Yuta Hiroto <hello@hiroppy.me> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de>
28 lines
622 B
JavaScript
28 lines
622 B
JavaScript
'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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