import gleam/list
import gleeunit
import nibble/lexer.{Span, Token}
import quasi_lexer

pub fn main() -> Nil {
  gleeunit.main()
}

pub fn simple_quasi_lexer_test() {
  quasi_lexer.chars()
  |> quasi_lexer.run(on: "let x1 = e1")
  |> list.index_map(fn(token, index) {
    let Token(span, lexeme, value) = token
    assert lexeme == value

    let Span(row_start, col_start, row_end, col_end) = span
    assert row_start == row_end && row_start == 1
    assert col_start == index + 1
    assert col_end == col_start + 1
  })
}