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38 lines
1.1 KiB
38 lines
1.1 KiB
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const EVMRevert = require('../helpers/EVMRevert.js');
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const BurnableTokenMock = artifacts.require('mocks/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(EVMRevert);
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});
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});
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