#[cfg(test)]
mod tests {
    extern crate alloc;

    use alloc::collections::BTreeMap;

    use edn_rs::{edn, map, Edn, List, Map, Vector};

    #[test]
    fn parse_primitive_types() {
        assert_eq!(edn!(1), Edn::Int(1));
        assert_eq!(edn!(12.5), Edn::Double(12.5.into()));
        assert_eq!(edn!(:key), Edn::Key(":key".to_string()));
        assert_eq!(
            edn!("this is a string"),
            Edn::Str("this is a string".to_string())
        );
        assert_eq!(edn!(3 / 4), Edn::Rational("3/4".to_string()));
        assert_eq!(edn!(true), Edn::Bool(true));
        assert_eq!(edn!(false), Edn::Bool(false));
        assert_eq!(edn!(nil), Edn::Nil);
        assert_eq!(edn!(shsadc - has), Edn::Symbol(String::from("shsadc-has")));
        assert_eq!(edn!(sym), Edn::Symbol(String::from("sym")));
    }

    #[test]
    fn parse_empty_structures() {
        assert_eq!(edn!([]), Edn::Vector(Vector::new(Vec::new())));
        assert_eq!(edn!(()), Edn::List(List::new(Vec::new())));
        assert_eq!(edn!({}), Edn::Map(Map::new(BTreeMap::new())));
    }

    #[test]
    fn parse_simple_vector() {
        let expected = Edn::Vector(Vector::new(vec![
            Edn::Symbol("sym".to_string()),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::Bool(false),
            Edn::Key(":f".to_string()),
            Edn::Nil,
            Edn::Rational("3/4".to_string()),
        ]));

        assert_eq!(edn!([ sym 1.2 3 false :f nil 3/4]), expected);
    }

    #[test]
    fn parse_simple_list() {
        let expected = Edn::List(List::new(vec![
            Edn::Int(1),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::Bool(false),
            Edn::Key(":f".to_string()),
            Edn::Nil,
            Edn::Rational("3/4".to_string()),
        ]));

        assert_eq!(edn!((1 1.2 3 false :f nil 3/4)), expected);
    }

    #[test]
    fn parse_simple_map() {
        let expected = Edn::Map(Map::new(map! {
            String::from("1.2") => Edn::Bool(false),
            String::from(":b") => Edn::Rational(String::from("3/4"))
        }));

        assert_eq!(edn!({1.2 false, :b 3/4}), expected);
    }

    #[test]
    fn parse_complex_vector() {
        let expected = Edn::Vector(Vector::new(vec![
            Edn::Int(1),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::Vector(Vector::new(vec![
                Edn::Bool(false),
                Edn::Key(":f".to_string()),
                Edn::Nil,
                Edn::Rational("3/4".to_string()),
            ])),
        ]));

        assert_eq!(edn!([ 1 1.2 3 [false :f nil 3/4]]), expected);
    }

    #[test]
    fn parse_complex_vector_with_list() {
        let expected = Edn::Vector(Vector::new(vec![
            Edn::Int(1),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::List(List::new(vec![
                Edn::Bool(false),
                Edn::Key(":f".to_string()),
                Edn::Nil,
                Edn::Rational("3/4".to_string()),
            ])),
        ]));

        assert_eq!(edn!([ 1 1.2 3 (false :f nil 3/4)]), expected);
    }

    #[test]
    fn parse_complex_vector_with_map() {
        let expected = Edn::Vector(Vector::new(vec![
            Edn::Int(1),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::Map(Map::new(map![
                    String::from("false") => Edn::Key(":f".to_string()),
                    String::from("nil") => Edn::Rational("3/4".to_string())
            ])),
        ]));

        assert_eq!(edn!([ 1 1.2 3 {false :f nil 3/4}]), expected);
    }

    #[test]
    fn parse_complex_list_with_map() {
        let expected = Edn::List(List::new(vec![
            Edn::Int(1),
            Edn::Double(1.2.into()),
            Edn::Int(3),
            Edn::Map(Map::new(map![
                    String::from("false") => Edn::Map(
                        Map::new( map![
                            String::from(":f") => Edn::Key(String::from(":b"))
                        ])),
                    String::from("nil") => Edn::Vector(
                        Vector::new( vec![
                            Edn::Rational("3/4".to_string()),
                            Edn::Int(1i64)
                        ]))
            ])),
        ]));

        assert_eq!(edn!(( 1 1.2 3 {false {:f :b} nil [3/4 1]})), expected);
    }

    #[test]
    fn navigate_data_structure() {
        let edn = edn!([1 1.2 3 {false :f nil 3/4 2 "banana"}]);

        assert_eq!(edn[1], edn!(1.2));
        assert_eq!(edn[1], Edn::Double(1.2f64.into()));
        assert_eq!(edn[3]["false"], edn!(:f));
        assert_eq!(edn[3]["false"], Edn::Key(":f".to_string()));
        assert_eq!(edn[3]["2"], Edn::Str("banana".to_string()));
        assert_eq!(edn[3][2], Edn::Str("banana".to_string()));
    }
}