use gix_config_value::Boolean; #[test]fn from_utf8_str() -> crate::Result {    assert_eq!(        Boolean::try_from("yes")?,        Boolean(true),        "UTF-8 strings use the same boolean parser as byte strings"    );    Ok(())} #[test]fn from_str_false() -> crate::Result {    assert!(!Boolean::try_from("no")?.0);    assert!(!Boolean::try_from("off")?.0);    assert!(!Boolean::try_from("false")?.0);    assert!(!Boolean::try_from("0")?.0);    assert!(!Boolean::try_from("")?.0);    Ok(())} #[test]fn from_str_true() -> crate::Result {    assert_eq!(Boolean::try_from("yes").map(Into::into), Ok(true));    assert_eq!(Boolean::try_from("on"), Ok(Boolean(true)));    assert_eq!(Boolean::try_from("true"), Ok(Boolean(true)));    assert!(Boolean::try_from("1")?.0);    assert!(Boolean::try_from("+10")?.0);    assert!(Boolean::try_from("-1")?.0);    Ok(())} #[test]fn ignores_case() {    // Random subset    for word in &["no", "yes", "on", "off", "true", "false"] {        let first: bool = Boolean::try_from(*word).unwrap().into();        let second: bool = Boolean::try_from(word.to_uppercase().as_str()).unwrap().into();        assert_eq!(first, second);    }} #[test]fn from_str_err() {    assert!(Boolean::try_from("yesn't").is_err());    assert!(Boolean::try_from("yesno").is_err());}