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openzeppelin-contracts/test/crowdsale/CappedCrowdsale.test.js

76 lines
2.3 KiB

const { ether } = require('../helpers/ether');
const { expectThrow } = require('../helpers/expectThrow');
const { EVMRevert } = require('../helpers/EVMRevert');
const BigNumber = web3.BigNumber;
require('chai')
.use(require('chai-bignumber')(BigNumber))
.should();
const CappedCrowdsale = artifacts.require('CappedCrowdsaleImpl');
const SimpleToken = artifacts.require('SimpleToken');
contract('CappedCrowdsale', function ([_, wallet]) {
const rate = new BigNumber(1);
const cap = ether(100);
const lessThanCap = ether(60);
const tokenSupply = new BigNumber('1e22');
beforeEach(async function () {
this.token = await SimpleToken.new();
});
it('rejects a cap of zero', async function () {
await expectThrow(
CappedCrowdsale.new(rate, wallet, this.token.address, 0),
EVMRevert,
);
});
context('with crowdsale', function () {
beforeEach(async function () {
this.crowdsale = await CappedCrowdsale.new(rate, wallet, this.token.address, cap);
await this.token.transfer(this.crowdsale.address, tokenSupply);
});
describe('accepting payments', function () {
it('should accept payments within cap', async function () {
await this.crowdsale.send(cap.minus(lessThanCap));
await this.crowdsale.send(lessThanCap);
});
it('should reject payments outside cap', async function () {
await this.crowdsale.send(cap);
await expectThrow(
this.crowdsale.send(1),
EVMRevert,
);
});
it('should reject payments that exceed cap', async function () {
await expectThrow(
this.crowdsale.send(cap.plus(1)),
EVMRevert,
);
});
});
describe('ending', function () {
it('should not reach cap if sent under cap', async function () {
await this.crowdsale.send(lessThanCap);
(await this.crowdsale.capReached()).should.equal(false);
});
it('should not reach cap if sent just under cap', async function () {
await this.crowdsale.send(cap.minus(1));
(await this.crowdsale.capReached()).should.equal(false);
});
it('should reach cap if cap sent', async function () {
await this.crowdsale.send(cap);
(await this.crowdsale.capReached()).should.equal(true);
});
});
});
});