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import { describe, expect, it } from 'vitest';
import { CROCKFORDS_BASE32, dateToBase32 } from '../../src/internal/base32';
describe('dateToBase32()', () => {
it('encodes current date correctly', () => {
const date = new Date('2023-04-01T00:00:00Z');
const encoded = dateToBase32(date);
expect(encoded).toHaveLength(10);
expect(encoded).toMatchSnapshot();
for (const char of encoded) {
expect(CROCKFORDS_BASE32).toContain(char);
}
});
it('encodes epoch start date correctly', () => {
const date = new Date('1970-01-01T00:00:00Z');
const encoded = dateToBase32(date);
expect(encoded).toBe('0000000000');
});
it('returns different encodings for dates one millisecond apart', () => {
const date1 = new Date('2023-04-01T00:00:00.000Z');
const date2 = new Date('2023-04-01T00:00:00.001Z');
const encoded1 = dateToBase32(date1);
const encoded2 = dateToBase32(date2);
expect(encoded1).not.toBe(encoded2);
});
it('encodes same date consistently', () => {
const date = new Date('2023-04-01T00:00:00Z');
const encoded1 = dateToBase32(date);
const encoded2 = dateToBase32(date);
expect(encoded1).toBe(encoded2);
});
});
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