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var it = require('it-is').style('colour')
  , split = require('..')

exports ['emit mapper exceptions as error events'] = function (test) {
  var s = split(JSON.parse)
    , caughtError = false
    , rows = []
 
  s.on('error', function (err) {
    caughtError = true
  })
 
  s.on('data', function (row) { rows.push(row) })

  s.write('{"a":1}\n{"')
  it(caughtError).equal(false)
  it(rows).deepEqual([ { a: 1 } ])

  s.write('b":2}\n{"c":}\n')
  it(caughtError).equal(true)
  it(rows).deepEqual([ { a: 1 }, { b: 2 } ])

  s.end()
  test.done()
}

exports ['mapper error events on trailing chunks'] = function (test) {
  var s = split(JSON.parse)
    , caughtError = false
    , rows = []
 
  s.on('error', function (err) {
    caughtError = true
  })
 
  s.on('data', function (row) { rows.push(row) })

  s.write('{"a":1}\n{"')
  it(caughtError).equal(false)
  it(rows).deepEqual([ { a: 1 } ])

  s.write('b":2}\n{"c":}')
  it(caughtError).equal(false)
  it(rows).deepEqual([ { a: 1 }, { b: 2 } ])

  s.end()
  it(caughtError).equal(true)
  it(rows).deepEqual([ { a: 1 }, { b: 2 } ])

  test.done()
}