mirror of openzeppelin-contracts
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
openzeppelin-contracts/test/utils/Nonces.test.js

72 lines
2.5 KiB

const expectEvent = require('@openzeppelin/test-helpers/src/expectEvent');
const { expectRevertCustomError } = require('../helpers/customError');
require('@openzeppelin/test-helpers');
const Nonces = artifacts.require('$Nonces');
contract('Nonces', function (accounts) {
const [sender, other] = accounts;
beforeEach(async function () {
this.nonces = await Nonces.new();
});
it('gets a nonce', async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
});
describe('_useNonce', function () {
it('increments a nonce', async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
const { receipt } = await this.nonces.$_useNonce(sender);
expectEvent(receipt, 'return$_useNonce', ['0']);
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
});
it("increments only sender's nonce", async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
await this.nonces.$_useNonce(sender);
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
});
});
describe('_useCheckedNonce', function () {
it('increments a nonce', async function () {
const currentNonce = await this.nonces.nonces(sender);
expect(currentNonce).to.be.bignumber.equal('0');
const { receipt } = await this.nonces.$_useCheckedNonce(sender, currentNonce);
expectEvent(receipt, 'return$_useCheckedNonce', [currentNonce]);
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
});
it("increments only sender's nonce", async function () {
const currentNonce = await this.nonces.nonces(sender);
expect(currentNonce).to.be.bignumber.equal('0');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
await this.nonces.$_useCheckedNonce(sender, currentNonce);
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
});
it('reverts when nonce is not the expected', async function () {
const currentNonce = await this.nonces.nonces(sender);
await expectRevertCustomError(
this.nonces.$_useCheckedNonce(sender, currentNonce.addn(1)),
'InvalidAccountNonce',
[sender, currentNonce],
);
});
});
});