import { countTokens } from '@anthropic-ai/tokenizer'; describe('countTokens', () => { test('small text', async () => { expect(countTokens('hello world!')).toEqual(3); }); test('text normalising', () => { expect(countTokens('™')).toEqual(1); expect(countTokens('ϰ')).toEqual(1); }); test('allows special tokens', () => { expect(countTokens('')).toEqual(1); }); });