// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Torture test for goroutines.
// Make a lot of goroutines, threaded together, and tear them down cleanly.

'use strict'

const Channel = require('../../lib')

it(`goroutines`, async function () {
  const f = async (left, right) => {
    await left.push(await right.shift())
  }

  const n = 10000
  const leftmost = Channel()
  let right = leftmost
  let left = leftmost

  for (let i = 0; i < n; i++) {
    right = Channel()
    f(left, right)
    left = right
  }

  ;(async (c) => {
    await c.push(1)
  })(right)

  await leftmost.shift()
})