diff options
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-stream2-readable-from-list.js')
-rw-r--r-- | cli/tests/node_compat/test/parallel/test-stream2-readable-from-list.js | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream2-readable-from-list.js b/cli/tests/node_compat/test/parallel/test-stream2-readable-from-list.js new file mode 100644 index 000000000..72c3b15aa --- /dev/null +++ b/cli/tests/node_compat/test/parallel/test-stream2-readable-from-list.js @@ -0,0 +1,108 @@ +// deno-fmt-ignore-file +// deno-lint-ignore-file + +// Copyright Joyent and Node contributors. All rights reserved. MIT license. +// Taken from Node 18.12.1 +// 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. + +// Flags: --expose-internals +'use strict'; +require('../common'); +const assert = require('assert'); +const fromList = require('stream').Readable._fromList; +const BufferList = require('internal/streams/buffer_list'); +const util = require('util'); + +function bufferListFromArray(arr) { + const bl = new BufferList(); + for (let i = 0; i < arr.length; ++i) + bl.push(arr[i]); + return bl; +} + +{ + // Verify behavior with buffers + let list = [ Buffer.from('foog'), + Buffer.from('bark'), + Buffer.from('bazy'), + Buffer.from('kuel') ]; + list = bufferListFromArray(list); + + assert.strictEqual( + util.inspect([ list ], { compact: false }), + `[ + BufferList { + head: [Object], + tail: [Object], + length: 4 + } +]`); + + // Read more than the first element. + let ret = fromList(6, { buffer: list, length: 16 }); + assert.strictEqual(ret.toString(), 'foogba'); + + // Read exactly the first element. + ret = fromList(2, { buffer: list, length: 10 }); + assert.strictEqual(ret.toString(), 'rk'); + + // Read less than the first element. + ret = fromList(2, { buffer: list, length: 8 }); + assert.strictEqual(ret.toString(), 'ba'); + + // Read more than we have. + ret = fromList(100, { buffer: list, length: 6 }); + assert.strictEqual(ret.toString(), 'zykuel'); + + // all consumed. + assert.deepStrictEqual(list, new BufferList()); +} + +{ + // Verify behavior with strings + let list = [ 'foog', + 'bark', + 'bazy', + 'kuel' ]; + list = bufferListFromArray(list); + + // Read more than the first element. + let ret = fromList(6, { buffer: list, length: 16, decoder: true }); + assert.strictEqual(ret, 'foogba'); + + // Read exactly the first element. + ret = fromList(2, { buffer: list, length: 10, decoder: true }); + assert.strictEqual(ret, 'rk'); + + // Read less than the first element. + ret = fromList(2, { buffer: list, length: 8, decoder: true }); + assert.strictEqual(ret, 'ba'); + + // Read more than we have. + ret = fromList(100, { buffer: list, length: 6, decoder: true }); + assert.strictEqual(ret, 'zykuel'); + + // all consumed. + assert.deepStrictEqual(list, new BufferList()); +} |