#![cfg(test)]

use crate::symbol_table::SymbolTable;
use crate::tree_walk_eval::State;

fn evaluate_input(input: &str) -> Result<String, String> {
  let ast = crate::util::quick_ast(input);
  let mut symbol_table = SymbolTable::new();
  symbol_table.process_ast(&ast).unwrap();
  let reduced_ir = crate::reduced_ir::reduce(&ast, &symbol_table);
  let mut state = State::new();
  let mut outputs = state.evaluate(reduced_ir, true);
  outputs.pop().unwrap()
}

fn eval_assert(input: &str, expected: &str) {
    assert_eq!(evaluate_input(input), Ok(expected.to_string()));
}

#[test]
fn test_basic_eval() {
  eval_assert("1 + 2", "3");
  //eval_assert("let mut a = 1; a = 2", "()");
}