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Direktori : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/ |
Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/test-buffer-slow.js |
'use strict'; require('../common'); const assert = require('assert'); const buffer = require('buffer'); const SlowBuffer = buffer.SlowBuffer; const ones = [1, 1, 1, 1]; // Should create a Buffer let sb = SlowBuffer(4); assert(sb instanceof Buffer); assert.strictEqual(sb.length, 4); sb.fill(1); for (const [key, value] of sb.entries()) { assert.deepStrictEqual(value, ones[key]); } // underlying ArrayBuffer should have the same length assert.strictEqual(sb.buffer.byteLength, 4); // Should work without new sb = SlowBuffer(4); assert(sb instanceof Buffer); assert.strictEqual(sb.length, 4); sb.fill(1); for (const [key, value] of sb.entries()) { assert.deepStrictEqual(value, ones[key]); } // Should work with edge cases assert.strictEqual(SlowBuffer(0).length, 0); // Should throw with invalid length type const bufferInvalidTypeMsg = { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: /^The "size" argument must be of type number/, }; assert.throws(() => SlowBuffer(), bufferInvalidTypeMsg); assert.throws(() => SlowBuffer({}), bufferInvalidTypeMsg); assert.throws(() => SlowBuffer('6'), bufferInvalidTypeMsg); assert.throws(() => SlowBuffer(true), bufferInvalidTypeMsg); // Should throw with invalid length value const bufferMaxSizeMsg = { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', }; assert.throws(() => SlowBuffer(NaN), bufferMaxSizeMsg); assert.throws(() => SlowBuffer(Infinity), bufferMaxSizeMsg); assert.throws(() => SlowBuffer(-1), bufferMaxSizeMsg); assert.throws(() => SlowBuffer(buffer.kMaxLength + 1), bufferMaxSizeMsg);