#![cfg(feature = "serde")]

use evalexpr::{build_operator_tree, Node};

#[test]
fn test_serde() {
    let strings = ["3", "4+4", "21^(2*2)--3>5||!true"];

    for string in &strings {
        let manual_tree = build_operator_tree(string).unwrap();
        let serde_tree: Node = ron::de::from_str(&format!("\"{}\"", string)).unwrap();
        assert_eq!(manual_tree.eval(), serde_tree.eval());
    }
}

#[test]
fn test_serde_errors() {
    assert_eq!(
        ron::de::from_str::<Node>("[\"5==5\"]"),
        Err(ron::de::Error::Parser(
            ron::de::ParseError::ExpectedString,
            ron::de::Position { col: 1, line: 1 }
        ))
    );
    assert_eq!(
        ron::de::from_str::<Node>("\"&\""),
        Err(ron::de::Error::Message(
            "Found a partial token '&' that should be followed by another partial token."
                .to_owned()
        ))
    );
}