use r2rust_core::ast::{Expr, Statement};
use r2rust_core::environment::Environment;
use r2rust_core::evaluator::evaluate;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_evaluate_assignment() {
        let mut env = Environment::new();
        let statement = Statement::Assign(
            "x".to_string(),
            Expr::Add(Box::new(Expr::Number(10.0)), Box::new(Expr::Number(20.0))),
        );

        let result = evaluate(statement, &mut env).expect("Failed to evaluate");
        assert_eq!(result, 30.0);
        assert_eq!(env.get("x"), Some(&30.0));
    }
}