diff options
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-stream-pipe-await-drain.js')
-rw-r--r-- | cli/tests/node_compat/test/parallel/test-stream-pipe-await-drain.js | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-pipe-await-drain.js b/cli/tests/node_compat/test/parallel/test-stream-pipe-await-drain.js deleted file mode 100644 index 49062fe0b..000000000 --- a/cli/tests/node_compat/test/parallel/test-stream-pipe-await-drain.js +++ /dev/null @@ -1,74 +0,0 @@ -// 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. - -'use strict'; -const common = require('../common'); -const stream = require('stream'); -const assert = require('assert'); - -// This is very similar to test-stream-pipe-cleanup-pause.js. - -const reader = new stream.Readable(); -const writer1 = new stream.Writable(); -const writer2 = new stream.Writable(); -const writer3 = new stream.Writable(); - -// 560000 is chosen here because it is larger than the (default) highWaterMark -// and will cause `.write()` to return false -// See: https://github.com/nodejs/node/issues/5820 -const buffer = Buffer.allocUnsafe(560000); - -reader._read = () => {}; - -writer1._write = common.mustCall(function(chunk, encoding, cb) { - this.emit('chunk-received'); - process.nextTick(cb); -}, 1); - -writer1.once('chunk-received', () => { - assert.strictEqual( - reader._readableState.awaitDrainWriters.size, - 0, - 'awaitDrain initial value should be 0, actual is ' + - reader._readableState.awaitDrainWriters.size - ); - setImmediate(() => { - // This one should *not* get through to writer1 because writer2 is not - // "done" processing. - reader.push(buffer); - }); -}); - -// A "slow" consumer: -writer2._write = common.mustCall((chunk, encoding, cb) => { - assert.strictEqual( - reader._readableState.awaitDrainWriters.size, - 1, - 'awaitDrain should be 1 after first push, actual is ' + - reader._readableState.awaitDrainWriters.size - ); - // Not calling cb here to "simulate" slow stream. - // This should be called exactly once, since the first .write() call - // will return false. -}, 1); - -writer3._write = common.mustCall((chunk, encoding, cb) => { - assert.strictEqual( - reader._readableState.awaitDrainWriters.size, - 2, - 'awaitDrain should be 2 after second push, actual is ' + - reader._readableState.awaitDrainWriters.size - ); - // Not calling cb here to "simulate" slow stream. - // This should be called exactly once, since the first .write() call - // will return false. -}, 1); - -reader.pipe(writer1); -reader.pipe(writer2); -reader.pipe(writer3); -reader.push(buffer); |