daced4ab98
This commits reverts da69d13623e6c9ec8692d8002297e63cf2f656d8 PR-URL: https://github.com/nodejs/node/pull/58220 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: LiviaMedeiros <livia@cirno.name> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const { Buffer, kMaxLength } = require('buffer');
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const ones = [1, 1, 1, 1];
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// Should create a Buffer
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let sb = Buffer.allocUnsafeSlow(4);
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assert(sb instanceof Buffer);
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assert.strictEqual(sb.length, 4);
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sb.fill(1);
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for (const [key, value] of sb.entries()) {
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assert.deepStrictEqual(value, ones[key]);
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}
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// underlying ArrayBuffer should have the same length
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assert.strictEqual(sb.buffer.byteLength, 4);
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// Should work without new
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sb = Buffer.allocUnsafeSlow(4);
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assert(sb instanceof Buffer);
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assert.strictEqual(sb.length, 4);
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sb.fill(1);
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for (const [key, value] of sb.entries()) {
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assert.deepStrictEqual(value, ones[key]);
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}
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// Should work with edge cases
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assert.strictEqual(Buffer.allocUnsafeSlow(0).length, 0);
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// Should throw with invalid length type
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const bufferInvalidTypeMsg = {
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: /^The "size" argument must be of type number/,
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};
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assert.throws(() => Buffer.allocUnsafeSlow(), bufferInvalidTypeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow({}), bufferInvalidTypeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow('6'), bufferInvalidTypeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow(true), bufferInvalidTypeMsg);
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// Should throw with invalid length value
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const bufferMaxSizeMsg = {
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code: 'ERR_OUT_OF_RANGE',
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name: 'RangeError',
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};
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assert.throws(() => Buffer.allocUnsafeSlow(NaN), bufferMaxSizeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow(Infinity), bufferMaxSizeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow(-1), bufferMaxSizeMsg);
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assert.throws(() => Buffer.allocUnsafeSlow(kMaxLength + 1), bufferMaxSizeMsg);
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