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openzeppelin-contracts/test/utils/Nonces.test.js

36 lines
1.1 KiB

const expectEvent = require('@openzeppelin/test-helpers/src/expectEvent');
require('@openzeppelin/test-helpers');
const Nonces = artifacts.require('$Nonces');
contract('Nonces', function (accounts) {
const [sender, other] = accounts;
beforeEach(async function () {
this.nonces = await Nonces.new();
});
it('gets a nonce', async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
});
it('increment a nonce', async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
const { receipt } = await this.nonces.$_useNonce(sender);
expectEvent(receipt, 'return$_useNonce', { current: '0' });
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
});
it('nonce is specific to address argument', async function () {
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('0');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
await this.nonces.$_useNonce(sender);
expect(await this.nonces.nonces(sender)).to.be.bignumber.equal('1');
expect(await this.nonces.nonces(other)).to.be.bignumber.equal('0');
});
});