git-config-value 0.10.2

Please use `gix-<thiscrate>` instead ('git' -> 'gix')
Documentation 
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use std::convert::TryFrom;

use git_config_value::{integer::Suffix, Integer};

use crate::b;

#[test]
fn from_str_no_suffix() {
    assert_eq!(Integer::try_from(b("1")).unwrap(), Integer { value: 1, suffix: None });

    assert_eq!(
        Integer::try_from(b("-1")).unwrap(),
        Integer {
            value: -1,
            suffix: None
        }
    );
}

#[test]
fn from_str_with_suffix() {
    assert_eq!(
        Integer::try_from(b("1k")).unwrap(),
        Integer {
            value: 1,
            suffix: Some(Suffix::Kibi),
        }
    );

    assert_eq!(
        Integer::try_from(b("1m")).unwrap(),
        Integer {
            value: 1,
            suffix: Some(Suffix::Mebi),
        }
    );

    assert_eq!(
        Integer::try_from(b("1g")).unwrap(),
        Integer {
            value: 1,
            suffix: Some(Suffix::Gibi),
        }
    );
}

#[test]
fn invalid_from_str() {
    assert!(Integer::try_from(b("")).is_err());
    assert!(Integer::try_from(b("-")).is_err());
    assert!(Integer::try_from(b("k")).is_err());
    assert!(Integer::try_from(b("m")).is_err());
    assert!(Integer::try_from(b("g")).is_err());
    assert!(Integer::try_from(b("123123123123123123123123")).is_err());
    assert!(Integer::try_from(b("gg")).is_err());
}

#[test]
fn as_decimal() {
    fn decimal(input: &str) -> Option<i64> {
        Integer::try_from(b(input)).unwrap().to_decimal()
    }

    assert_eq!(decimal("12"), Some(12), "works without suffix");
    assert_eq!(decimal("13k"), Some(13 * 1024), "works with kilobyte suffix");
    assert_eq!(decimal("13K"), Some(13 * 1024), "works with Kilobyte suffix");
    assert_eq!(decimal("14m"), Some(14 * 1_048_576), "works with megabyte suffix");
    assert_eq!(decimal("14M"), Some(14 * 1_048_576), "works with Megabyte suffix");
    assert_eq!(decimal("15g"), Some(15 * 1_073_741_824), "works with gigabyte suffix");
    assert_eq!(decimal("15G"), Some(15 * 1_073_741_824), "works with Gigabyte suffix");

    assert_eq!(decimal(&format!("{}g", i64::MAX)), None, "overflow results in None");
    assert_eq!(decimal(&format!("{}g", i64::MIN)), None, "underflow results in None");
}