use mclangc::{
    cli::CliArgs, 
    common::{Loc, loc::LocBox}, 
    parser::{self, ast::{
        Ident, Keyword, Number, Punctuation, TokenType, expr::Expr, literal::Literal, 
        statement::{Statement, StaticVar}, 
    }}, 
    tokeniser::Token, validator::predefined::BuiltinType
};



#[test]
fn test_parse_static_stat() {
    let mut tokens = vec![
        Token::new_test(TokenType::Keyword(Keyword::Static)),
        Token::new_test(TokenType::ident("MyStatic")),
        Token::new_test(TokenType::Punct(Punctuation::Colon)),
        Token::new_test(TokenType::ident("usize")),
        Token::new_test(TokenType::Punct(Punctuation::Eq)),
        Token::new_test(TokenType::number(69, 10, false)),
        Token::new_test(TokenType::Punct(Punctuation::Semi)),
        Token::new_test(TokenType::ident("overflow")),
        Token::new_test(TokenType::ident("overflow")),
        Token::new_test(TokenType::ident("overflow")),
    ];
    tokens.reverse();
    let res = parser::stat::parse_statement(&mut tokens, &CliArgs::default(), &mut super::get_prog());
    assert!(res.is_ok(), "{res:?}");
    match res {
        Ok(res) => {
            assert!(res.is_some(), "{res:?}");
            match res {
                Some(res) => {
                    assert_eq!(res.inner().clone(), Statement::StaticVar(StaticVar {
                        name: Ident::new("MyStatic"),
                        typ: LocBox::new(&Loc::default(), BuiltinType::usize()),
                        val: LocBox::new(&Loc::default(), Expr::Literal(String::new(), Literal::Number(Number { val: 69, base: 10, signed: false })))
                    }));
                }
                None => unreachable!()
            }
            
        }
        Err(_) => unreachable!()
    }
    assert!(tokens.len() == 3, "leftover token count incorrect"); 
}