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44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
const { expectRevert } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const ReentrancyMock = artifacts.require('ReentrancyMock');
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const ReentrancyAttack = artifacts.require('ReentrancyAttack');
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contract('ReentrancyGuard', function () {
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beforeEach(async function () {
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this.reentrancyMock = await ReentrancyMock.new();
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expect(await this.reentrancyMock.counter()).to.be.bignumber.equal('0');
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});
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it('nonReentrant function can be called', async function () {
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expect(await this.reentrancyMock.counter()).to.be.bignumber.equal('0');
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await this.reentrancyMock.callback();
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expect(await this.reentrancyMock.counter()).to.be.bignumber.equal('1');
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});
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it('does not allow remote callback', async function () {
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const attacker = await ReentrancyAttack.new();
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await expectRevert(this.reentrancyMock.countAndCall(attacker.address), 'ReentrancyAttack: failed call');
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});
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it('_reentrancyGuardEntered should be true when guarded', async function () {
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await this.reentrancyMock.guardedCheckEntered();
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});
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it('_reentrancyGuardEntered should be false when unguarded', async function () {
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await this.reentrancyMock.unguardedCheckNotEntered();
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});
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// The following are more side-effects than intended behavior:
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// I put them here as documentation, and to monitor any changes
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// in the side-effects.
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it('does not allow local recursion', async function () {
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await expectRevert(this.reentrancyMock.countLocalRecursive(10), 'ReentrancyGuard: reentrant call');
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});
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it('does not allow indirect local recursion', async function () {
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await expectRevert(this.reentrancyMock.countThisRecursive(10), 'ReentrancyMock: failed call');
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});
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});
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