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use std::ffi::CStr;

use crate::extn::prelude::*;

const HASH_CSTR: &CStr = qed::const_cstr_from_str!("Hash\0");
static HASH_RUBY_SOURCE: &[u8] = include_bytes!("hash.rb");

pub fn init(interp: &mut Artichoke) -> InitializeResult<()> {
    if interp.is_class_defined::<Hash>() {
        return Ok(());
    }

    let spec = class::Spec::new("Hash", HASH_CSTR, None, None)?;
    interp.def_class::<Hash>(spec)?;
    interp.eval(HASH_RUBY_SOURCE)?;

    Ok(())
}

#[derive(Debug, Clone, Copy)]
pub struct Hash;

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

    #[test]
    fn regression_github_1099() {
        let mut interp = interpreter();
        let inspect = interp.eval(b"{ a: 'GH-1099' }.inspect").unwrap();
        let inspect = inspect.try_convert_into_mut::<&str>(&mut interp).unwrap();
        assert_eq!(inspect, r#"{:a=>"GH-1099"}"#);
    }
}