diff options
Diffstat (limited to 'tests/node_compat/test/parallel/test-stream-push-strings.js')
-rw-r--r-- | tests/node_compat/test/parallel/test-stream-push-strings.js | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-stream-push-strings.js b/tests/node_compat/test/parallel/test-stream-push-strings.js new file mode 100644 index 000000000..4d88e082b --- /dev/null +++ b/tests/node_compat/test/parallel/test-stream-push-strings.js @@ -0,0 +1,74 @@ +// 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 `tools/node_compat/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'; +require('../common'); +const assert = require('assert'); + +const Readable = require('stream').Readable; + +class MyStream extends Readable { + constructor(options) { + super(options); + this._chunks = 3; + } + + _read(n) { + switch (this._chunks--) { + case 0: + return this.push(null); + case 1: + return setTimeout(() => { + this.push('last chunk'); + }, 100); + case 2: + return this.push('second to last chunk'); + case 3: + return process.nextTick(() => { + this.push('first chunk'); + }); + default: + throw new Error('?'); + } + } +} + +const ms = new MyStream(); +const results = []; +ms.on('readable', function() { + let chunk; + while (null !== (chunk = ms.read())) + results.push(String(chunk)); +}); + +const expect = [ 'first chunksecond to last chunk', 'last chunk' ]; +process.on('exit', function() { + assert.strictEqual(ms._chunks, -1); + assert.deepStrictEqual(results, expect); + console.log('ok'); +}); |