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

86 lines
2.9 KiB

const { BN, constants, expectRevert } = require('@openzeppelin/test-helpers');
const { expect } = require('chai');
const StringsMock = artifacts.require('StringsMock');
contract('Strings', function (accounts) {
before(async function () {
this.strings = await StringsMock.new();
});
describe('toString', function () {
for (const [ key, value ] of Object.entries([
'0',
'7',
'10',
'99',
'100',
'101',
'123',
'4132',
'12345',
'1234567',
'1234567890',
'123456789012345',
'12345678901234567890',
'123456789012345678901234567890',
'1234567890123456789012345678901234567890',
'12345678901234567890123456789012345678901234567890',
'123456789012345678901234567890123456789012345678901234567890',
'1234567890123456789012345678901234567890123456789012345678901234567890',
].reduce((acc, value) => Object.assign(acc, { [value]: new BN(value) }), {
MAX_UINT256: constants.MAX_UINT256.toString(),
}))) {
it(`converts ${key}`, async function () {
expect(await this.strings.methods['toString(uint256)'](value)).to.equal(value.toString(10));
});
}
});
describe('toHexString', function () {
it('converts 0', async function () {
expect(await this.strings.methods['toHexString(uint256)'](0)).to.equal('0x00');
});
it('converts a positive number', async function () {
expect(await this.strings.methods['toHexString(uint256)'](0x4132)).to.equal('0x4132');
});
it('converts MAX_UINT256', async function () {
expect(await this.strings.methods['toHexString(uint256)'](constants.MAX_UINT256))
.to.equal(web3.utils.toHex(constants.MAX_UINT256));
});
});
describe('toHexString fixed', function () {
it('converts a positive number (long)', async function () {
expect(await this.strings.methods['toHexString(uint256,uint256)'](0x4132, 32))
.to.equal('0x0000000000000000000000000000000000000000000000000000000000004132');
});
it('converts a positive number (short)', async function () {
await expectRevert(
this.strings.methods['toHexString(uint256,uint256)'](0x4132, 1),
'Strings: hex length insufficient',
);
});
it('converts MAX_UINT256', async function () {
expect(await this.strings.methods['toHexString(uint256,uint256)'](constants.MAX_UINT256, 32))
.to.equal(web3.utils.toHex(constants.MAX_UINT256));
});
});
describe('toHexString address', function () {
it('converts a random address', async function () {
const addr = '0xa9036907dccae6a1e0033479b12e837e5cf5a02f';
expect(await this.strings.methods['toHexString(address)'](addr)).to.equal(addr);
});
it('converts an address with leading zeros', async function () {
const addr = '0x0000e0ca771e21bd00057f54a68c30d400000000';
expect(await this.strings.methods['toHexString(address)'](addr)).to.equal(addr);
});
});
});