// 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'

const tap = require('tap')
const silentConsole = {
  log() {},
  error() {}
}
const common = require('../common')
const assert = require('assert')
const { Readable, Writable } = require('../../lib/ours/index')
class TestReadable extends Readable {
  constructor(opt) {
    super(opt)
    this._ended = false
  }
  _read() {
    if (this._ended) this.emit('error', new Error('_read called twice'))
    this._ended = true
    this.push(null)
  }
}
class TestWritable extends Writable {
  constructor(opt) {
    super(opt)
    this._written = []
  }
  _write(chunk, encoding, cb) {
    this._written.push(chunk)
    cb()
  }
}

// This one should not emit 'end' until we read() from it later.
const ender = new TestReadable()

// What happens when you pipe() a Readable that's already ended?
const piper = new TestReadable()
// pushes EOF null, and length=0, so this will trigger 'end'
piper.read()
setTimeout(
  common.mustCall(function () {
    ender.on('end', common.mustCall())
    const c = ender.read()
    assert.strictEqual(c, null)
    const w = new TestWritable()
    w.on('finish', common.mustCall())
    piper.pipe(w)
  }),
  1
)

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