use std::convert::TryFrom; use git_config::values::{Boolean, TrueVariant}; use crate::values::b; #[test]fn from_str_false() {    assert_eq!(Boolean::try_from(b("no")), Ok(Boolean::False("no".into())));    assert_eq!(Boolean::try_from(b("off")), Ok(Boolean::False("off".into())));    assert_eq!(Boolean::try_from(b("false")), Ok(Boolean::False("false".into())));    assert_eq!(Boolean::try_from(b("zero")), Ok(Boolean::False("zero".into())));    assert_eq!(Boolean::try_from(b("\"\"")), Ok(Boolean::False("\"\"".into())));} #[test]fn from_str_true() {    assert_eq!(        Boolean::try_from(b("yes")),        Ok(Boolean::True(TrueVariant::Explicit("yes".into())))    );    assert_eq!(        Boolean::try_from(b("on")),        Ok(Boolean::True(TrueVariant::Explicit("on".into())))    );    assert_eq!(        Boolean::try_from(b("true")),        Ok(Boolean::True(TrueVariant::Explicit("true".into())))    );    assert_eq!(        Boolean::try_from(b("one")),        Ok(Boolean::True(TrueVariant::Explicit("one".into())))    );} #[test]fn ignores_case() {    // Random subset    for word in &["no", "yes", "off", "true", "zero"] {        let first: bool = Boolean::try_from(b(word)).unwrap().into();        let second: bool = Boolean::try_from(b(&*word.to_uppercase())).unwrap().into();        assert_eq!(first, second);    }} #[test]fn from_str_err() {    assert!(Boolean::try_from(b("yesn't")).is_err());    assert!(Boolean::try_from(b("yesno")).is_err());}