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const { lex } = require('../src/lexer.js')
describe('lex', () => {
it('lexes the empty string', () => {
expect(lex('')).toEqual([])
})
it('signals an error on unexpected input', () => {
expect(lex('q')).toBe('error')
})
describe('basic dice', () => {
it('1d6', () => {
expect(lex('1d6')).toEqual([
{ type: 'number', value: 1 },
{ type: 'd' },
{ type: 'number', value: 6 }
])
})
it('42d172', () => {
expect(lex('42d172')).toEqual([
{ type: 'number', value: 42 },
{ type: 'd' },
{ type: 'number', value: 172 }
])
})
})
})
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