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108 lines
3.5 KiB
JavaScript
108 lines
3.5 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Flags: --expose-internals
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'use strict';
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require('../common');
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const assert = require('assert');
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const fromList = require('stream').Readable._fromList;
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const BufferList = require('internal/streams/buffer_list');
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const util = require('util');
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function bufferListFromArray(arr) {
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const bl = new BufferList();
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for (let i = 0; i < arr.length; ++i)
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bl.push(arr[i]);
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return bl;
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}
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{
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// Verify behavior with buffers
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let list = [ Buffer.from('foog'),
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Buffer.from('bark'),
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Buffer.from('bazy'),
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Buffer.from('kuel') ];
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list = bufferListFromArray(list);
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assert.strictEqual(
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util.inspect([ list ], { compact: false }),
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`[
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BufferList {
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head: [Object],
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tail: [Object],
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length: 4
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}
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]`);
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// Read more than the first element.
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let ret = fromList(6, { buffer: list, length: 16 });
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assert.strictEqual(ret.toString(), 'foogba');
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// Read exactly the first element.
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ret = fromList(2, { buffer: list, length: 10 });
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assert.strictEqual(ret.toString(), 'rk');
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// Read less than the first element.
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ret = fromList(2, { buffer: list, length: 8 });
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assert.strictEqual(ret.toString(), 'ba');
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// Read more than we have.
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ret = fromList(100, { buffer: list, length: 6 });
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assert.strictEqual(ret.toString(), 'zykuel');
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// all consumed.
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assert.deepStrictEqual(list, new BufferList());
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}
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{
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// Verify behavior with strings
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let list = [ 'foog',
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'bark',
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'bazy',
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'kuel' ];
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list = bufferListFromArray(list);
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// Read more than the first element.
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let ret = fromList(6, { buffer: list, length: 16, decoder: true });
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assert.strictEqual(ret, 'foogba');
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// Read exactly the first element.
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ret = fromList(2, { buffer: list, length: 10, decoder: true });
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assert.strictEqual(ret, 'rk');
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// Read less than the first element.
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ret = fromList(2, { buffer: list, length: 8, decoder: true });
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assert.strictEqual(ret, 'ba');
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// Read more than we have.
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ret = fromList(100, { buffer: list, length: 6, decoder: true });
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assert.strictEqual(ret, 'zykuel');
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// all consumed.
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assert.deepStrictEqual(list, new BufferList());
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}
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