physis/src/common_file_operations.rs

// SPDX-FileCopyrightText: 2024 Joshua Goins <josh@redstrate.com>
// SPDX-License-Identifier: GPL-3.0-or-later

pub(crate) fn read_bool_from<T: std::convert::From<u8> + std::cmp::PartialEq>(x: T) -> bool {
    x == T::from(1u8)
}

pub(crate) fn write_bool_as<T: std::convert::From<u8>>(x: &bool) -> T {
    if *x { T::from(1u8) } else { T::from(0u8) }
}

#[cfg(test)]
mod tests {
    use std::io::Cursor;
    use crate::common_file_operations::{read_bool_from, write_bool_as};
    use crate::model::MDL;

    const DATA: [u8; 2] = [0u8, 1u8];

    // TODO: add tests for u16
    
    #[test]
    fn read_bool_u8() {
        assert!(!read_bool_from::<u8>(DATA[0]));
        assert!(read_bool_from::<u8>(DATA[1]));
    }

    #[test]
    fn write_bool_u8() {
        assert_eq!(write_bool_as::<u8>(&false), DATA[0]);
        assert_eq!(write_bool_as::<u8>(&true), DATA[1]);
    }
}