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55 lines
1.8 KiB
55 lines
1.8 KiB
const { expect } = require('chai');
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const { expectRevertCustomError } = require('../helpers/customError');
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const ShortStrings = artifacts.require('$ShortStrings');
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function length(sstr) {
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return parseInt(sstr.slice(64), 16);
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}
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function decode(sstr) {
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return web3.utils.toUtf8(sstr).slice(0, length(sstr));
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}
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contract('ShortStrings', function () {
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before(async function () {
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this.mock = await ShortStrings.new();
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});
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for (const str of [0, 1, 16, 31, 32, 64, 1024].map(length => 'a'.repeat(length))) {
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describe(`with string length ${str.length}`, function () {
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it('encode / decode', async function () {
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if (str.length < 32) {
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const encoded = await this.mock.$toShortString(str);
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expect(decode(encoded)).to.be.equal(str);
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const length = await this.mock.$byteLength(encoded);
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expect(length.toNumber()).to.be.equal(str.length);
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const decoded = await this.mock.$toString(encoded);
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expect(decoded).to.be.equal(str);
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} else {
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await expectRevertCustomError(this.mock.$toShortString(str), `StringTooLong("${str}")`);
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}
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});
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it('set / get with fallback', async function () {
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const { logs } = await this.mock.$toShortStringWithFallback(str, 0);
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const { ret0 } = logs.find(({ event }) => event == 'return$toShortStringWithFallback').args;
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const promise = this.mock.$toString(ret0);
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if (str.length < 32) {
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expect(await promise).to.be.equal(str);
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} else {
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await expectRevertCustomError(promise, 'InvalidShortString()');
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}
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const length = await this.mock.$byteLengthWithFallback(ret0, 0);
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expect(length.toNumber()).to.be.equal(str.length);
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const recovered = await this.mock.$toStringWithFallback(ret0, 0);
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expect(recovered).to.be.equal(str);
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});
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});
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}
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});
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