import chai from 'chai'; import { garbage } from 'ipld-garbage'; import { uintBoundaries } from '../lib/0uint.js'; import { encode } from '../cborg.js'; import { encodedLength } from '../lib/length.js'; import { dateEncoder } from './common.js'; const {assert} = chai; function verifyLength(object, options) { const len = encodedLength(object, options); const encoded = encode(object, options); const actual = encoded.length; assert.strictEqual(actual, len, JSON.stringify(object)); } describe('encodedLength', () => { it('int boundaries', () => { for (let ii = 0; ii < 4; ii++) { verifyLength(uintBoundaries[ii]); verifyLength(uintBoundaries[ii] - 1); verifyLength(uintBoundaries[ii] + 1); verifyLength(-1 * uintBoundaries[ii]); verifyLength(-1 * uintBoundaries[ii] - 1); verifyLength(-1 * uintBoundaries[ii] + 1); } }); it('tags', () => { verifyLength({ date: new Date('2013-03-21T20:04:00Z') }, { typeEncoders: { Date: dateEncoder } }); }); it('floats', () => { verifyLength(0.5); verifyLength(0.5, { float64: true }); verifyLength(8.940696716308594e-8); verifyLength(8.940696716308594e-8, { float64: true }); }); it('small garbage', function () { this.timeout(10000); for (let ii = 0; ii < 1000; ii++) { const gbg = garbage(1 << 6, { weights: { CID: 0 } }); verifyLength(gbg); } }); it('medium garbage', function () { this.timeout(10000); for (let ii = 0; ii < 100; ii++) { const gbg = garbage(1 << 16, { weights: { CID: 0 } }); verifyLength(gbg); } }); it('large garbage', function () { this.timeout(10000); for (let ii = 0; ii < 10; ii++) { const gbg = garbage(1 << 20, { weights: { CID: 0 } }); verifyLength(gbg); } }); });