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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// persons to whom the Software is furnished to do so, subject to the// following conditions://// The above copyright notice and this permission notice shall be included// in all copies or substantial portions of the Software.//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';const common = require('../common');const assert = require('assert');
const zero = [];const one = [ Buffer.from('asdf') ];const long = [];for (let i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
const flatZero = Buffer.concat(zero);const flatOne = Buffer.concat(one);const flatLong = Buffer.concat(long);const flatLongLen = Buffer.concat(long, 40);
assert.strictEqual(flatZero.length, 0);assert.strictEqual(flatOne.toString(), 'asdf');
const check = 'asdf'.repeat(10);
// A special case where concat used to return the first item,// if the length is one. This check is to make sure that we don't do that.assert.notStrictEqual(flatOne, one[0]);assert.strictEqual(flatLong.toString(), check);assert.strictEqual(flatLongLen.toString(), check);
[undefined, null, Buffer.from('hello')].forEach((value) => {  assert.throws(() => {    Buffer.concat(value);  }, {    code: 'ERR_INVALID_ARG_TYPE',    message: 'The "list" argument must be an instance of Array.' +             `${common.invalidArgTypeHelper(value)}`  });});
[[42], ['hello', Buffer.from('world')]].forEach((value) => {  assert.throws(() => {    Buffer.concat(value);  }, {    code: 'ERR_INVALID_ARG_TYPE',    message: 'The "list[0]" argument must be an instance of Buffer ' +             `or Uint8Array.${common.invalidArgTypeHelper(value[0])}`  });});
assert.throws(() => {  Buffer.concat([Buffer.from('hello'), 3]);}, {  code: 'ERR_INVALID_ARG_TYPE',  message: 'The "list[1]" argument must be an instance of Buffer ' +           'or Uint8Array. Received type number (3)'});
// eslint-disable-next-line node-core/crypto-checkconst random10 = common.hasCrypto ?  require('crypto').randomBytes(10) :  Buffer.alloc(10, 1);const empty = Buffer.alloc(0);
assert.notDeepStrictEqual(random10, empty);assert.notDeepStrictEqual(random10, Buffer.alloc(10));
assert.deepStrictEqual(Buffer.concat([], 100), empty);assert.deepStrictEqual(Buffer.concat([random10], 0), empty);assert.deepStrictEqual(Buffer.concat([random10], 10), random10);assert.deepStrictEqual(Buffer.concat([random10, random10], 10), random10);assert.deepStrictEqual(Buffer.concat([empty, random10]), random10);assert.deepStrictEqual(Buffer.concat([random10, empty, empty]), random10);
// The tail should be zero-filledassert.deepStrictEqual(Buffer.concat([empty], 100), Buffer.alloc(100));assert.deepStrictEqual(Buffer.concat([empty], 4096), Buffer.alloc(4096));assert.deepStrictEqual(  Buffer.concat([random10], 40),  Buffer.concat([random10, Buffer.alloc(30)]));
assert.deepStrictEqual(Buffer.concat([new Uint8Array([0x41, 0x42]),                                      new Uint8Array([0x43, 0x44])]),                       Buffer.from('ABCD'));