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39 lines
1.2 KiB
39 lines
1.2 KiB
'use strict'
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const EVMThrow = require('./helpers/EVMThrow.js')
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const BurnableTokenMock = artifacts.require("./helpers/BurnableTokenMock.sol")
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const BigNumber = web3.BigNumber
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require('chai')
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.use(require('chai-as-promised'))
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.use(require('chai-bignumber')(BigNumber))
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.should()
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const expect = require('chai').expect
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contract('BurnableToken', function (accounts) {
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let token
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let expectedTokenSupply = new BigNumber(999)
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beforeEach(async function () {
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token = await BurnableTokenMock.new(accounts[0], 1000)
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})
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it('owner should be able to burn tokens', async function () {
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const { logs } = await token.burn(1, { from: accounts[0] })
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const balance = await token.balanceOf(accounts[0])
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balance.should.be.bignumber.equal(expectedTokenSupply)
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const totalSupply = await token.totalSupply()
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totalSupply.should.be.bignumber.equal(expectedTokenSupply)
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const event = logs.find(e => e.event === 'Burn')
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expect(event).to.exist
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})
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it('cannot burn more tokens than your balance', async function () {
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await token.burn(2000, { from: accounts[0] })
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.should.be.rejectedWith(EVMThrow)
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})
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}) |