text: import {advanceBlock} from './helpers/advanceToBlock'
  import {increaseTimeTo, duration} from './helpers/increaseTime'
  import latestTime from './helpers/latestTime'
  import EVMThrow from './helpers/EVMThrow'
  
  const BigNumber = web3.BigNumber
  
  const should = require('chai')
    .use(require('chai-as-promised'))
    .use(require('chai-bignumber')(BigNumber))
    .should()
  
  const FinalizableCrowdsale = artifacts.require('./helpers/FinalizableCrowdsaleImpl.sol')
  const MintableToken = artifacts.require('MintableToken')
  
  contract('FinalizableCrowdsale', function ([_, owner, wallet, thirdparty]) {
  
    const rate = new BigNumber(1000)
  
    before(async function() {
      //Advance to the next block to correctly read time in the solidity "now" function interpreted by testrpc
      await advanceBlock()
    })
  
    beforeEach(async function () {
      this.startTime = latestTime() + duration.weeks(1)
      this.endTime =   this.startTime + duration.weeks(1)
      this.afterEndTime = this.endTime + duration.seconds(1)
  
  
      this.crowdsale = await FinalizableCrowdsale.new(this.startTime, this.endTime, rate, wallet, {from: owner})
  
      this.token = MintableToken.at(await this.crowdsale.token())
    })
  
    it('cannot be finalized before ending', async function () {
      await this.crowdsale.finalize({from: owner}).should.be.rejectedWith(EVMThrow)
    })
  
    it('cannot be finalized by third party after ending', async function () {
      await increaseTimeTo(this.afterEndTime)
      await this.crowdsale.finalize({from: thirdparty}).should.be.rejectedWith(EVMThrow)
    })
  
    it('can be finalized by owner after ending', async function () {
      await increaseTimeTo(this.afterEndTime)
      await this.crowdsale.finalize({from: owner}).should.be.fulfilled
    })
  
    it('cannot be finalized twice', async function () {
      await increaseTimeTo(this.afterEndTime)
      await this.crowdsale.finalize({from: owner})
      await this.crowdsale.finalize({from: owner}).should.be.rejectedWith(EVMThrow)
    })
  
    it('logs finalized', async function () {
      await increaseTimeTo(this.afterEndTime)
      const {logs} = await this.crowdsale.finalize({from: owner})
      const event = logs.find(e => e.event === 'Finalized')
      should.exist(event)
    })
  
  })
  