1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23require('../common'); 24const assert = require('assert'); 25const util = require('util'); 26const buffer = require('buffer'); 27 28buffer.INSPECT_MAX_BYTES = 2; 29 30let b = Buffer.allocUnsafe(4); 31b.fill('1234'); 32 33let s = buffer.SlowBuffer(4); 34s.fill('1234'); 35 36let expected = '<Buffer 31 32 ... 2 more bytes>'; 37 38assert.strictEqual(util.inspect(b), expected); 39assert.strictEqual(util.inspect(s), expected); 40 41b = Buffer.allocUnsafe(2); 42b.fill('12'); 43 44s = buffer.SlowBuffer(2); 45s.fill('12'); 46 47expected = '<Buffer 31 32>'; 48 49assert.strictEqual(util.inspect(b), expected); 50assert.strictEqual(util.inspect(s), expected); 51 52buffer.INSPECT_MAX_BYTES = Infinity; 53 54assert.strictEqual(util.inspect(b), expected); 55assert.strictEqual(util.inspect(s), expected); 56 57b.inspect = undefined; 58b.prop = new Uint8Array(0); 59assert.strictEqual( 60 util.inspect(b), 61 '<Buffer 31 32, inspect: undefined, prop: Uint8Array(0) []>' 62); 63 64b = Buffer.alloc(0); 65b.prop = 123; 66 67assert.strictEqual( 68 util.inspect(b), 69 '<Buffer prop: 123>' 70); 71