#[cfg(test)]
pub mod string_test {
    use cjaggerx::string::String as JString;
    #[test]
    fn test_string_1() {
        let mut str: JString<std::string::String> = JString::default();
        str.push("Hello, world".to_string()).unwrap();
        let string = str.get().unwrap();
        assert_eq!(string, "Hello, world");
    }
}