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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
'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/5820const 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);