'use strict'

const tap = require('tap')
const silentConsole = {
  log() {},
  error() {}
}
const common = require('../common')
const { Readable, Writable } = require('../../lib/ours/index')

// Tests that calling .unpipe() un-blocks a stream that is paused because
// it is waiting on the writable side to finish a write().

const rs = new Readable({
  highWaterMark: 1,
  // That this gets called at least 20 times is the real test here.
  read: common.mustCallAtLeast(() => rs.push('foo'), 20)
})
const ws = new Writable({
  highWaterMark: 1,
  write: common.mustCall(() => {
    // Ignore the callback, this write() simply never finishes.
    setImmediate(() => rs.unpipe(ws))
  })
})
let chunks = 0
rs.on(
  'data',
  common.mustCallAtLeast(() => {
    chunks++
    if (chunks >= 20) rs.pause() // Finish this test.
  })
)
rs.pipe(ws)

/* replacement start */
process.on('beforeExit', (code) => {
  if (code === 0) {
    tap.pass('test succeeded')
  } else {
    tap.fail(`test failed - exited code ${code}`)
  }
})
/* replacement end */
