dia-semver 11.0.1

For handling Semantic Versions 2.0.0
Documentation 
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/*
==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--

Dia-Semver

Copyright (C) 2018-2022  Anonymous

There are several releases over multiple years,
they are listed as ranges, such as: "2018-2022".

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--
*/

use {
    core::str::FromStr,
    std::collections::BTreeSet,
    dia_semver::Semver,
};

#[test]
fn ordering() {
    assert_eq!(Semver::from_str("1.0.0").unwrap(), Semver::from_str("1.0.0").unwrap());
    assert!(Semver::from_str("1.0.0").unwrap() < Semver::from_str("1.0.1").unwrap());
    assert!(Semver::from_str("1.1.0").unwrap() > Semver::from_str("1.0.1").unwrap());

    assert_eq!(Semver::from_str("2.0.0-abc").unwrap(), Semver::from_str("2.0.0-abc").unwrap());
    assert!(Semver::from_str("2.0.0-abc").unwrap() < Semver::from_str("2.0.0-xyz").unwrap());

    assert_eq!(Semver::from_str("3.0-abc+2313").unwrap(), Semver::from_str("3.0.0-abc").unwrap());
    assert_eq!(Semver::from_str("3.1.0-abc+2313").unwrap(), Semver::from_str("3.1-abc+xyz-123").unwrap());

    assert_eq!(Semver::from_str("4-abc.123").unwrap(), Semver::from_str("4-abc.123").unwrap());
    assert!(Semver::from_str("4-abc.123").unwrap() > Semver::from_str("4-123.abc").unwrap());
    assert!(Semver::from_str("4-123").unwrap() < Semver::from_str("4-123.abc").unwrap());

    assert!(Semver::from_str("5-123").unwrap() < Semver::from_str("5-321").unwrap());
    assert!(Semver::from_str("5-123.abc").unwrap() < Semver::from_str("5-321").unwrap());
    assert!(Semver::from_str("5-123").unwrap() < Semver::from_str("5-321.xyz").unwrap());

    assert!(Semver::from_str("6").unwrap() > Semver::from_str("6-ABC").unwrap());
    assert_eq!(Semver::from_str("6").unwrap(), Semver::from_str("6+ABC").unwrap());
    assert_eq!(Semver::from_str("6+XYZ").unwrap(), Semver::from_str("6+ABC").unwrap());

    // Comparing pre-releases
    assert!(Semver::from_str("7.0.0-123").unwrap() > Semver::from_str("7.0.0-9").unwrap());
    assert!(Semver::from_str("7.0.0-123").unwrap() > Semver::from_str("7.0.0-99").unwrap());
    assert!(Semver::from_str("7.0.0-123").unwrap() < Semver::from_str("7.0.0-321").unwrap());
    assert!(Semver::from_str("7.0.0-123").unwrap() < Semver::from_str("7.0.0-999").unwrap());
    assert_eq!(Semver::from_str("7.0.0-123456").unwrap(), Semver::from_str("7.0.0-123456").unwrap());

    assert!(Semver::from_str("1.0.0-alpha").unwrap() < Semver::from_str("1.0.0-alpha.1").unwrap());
    assert!(Semver::from_str("1.0.0-alpha.1").unwrap() < Semver::from_str("1.0.0-alpha.beta").unwrap());
    assert!(Semver::from_str("1.0.0-alpha.beta").unwrap() < Semver::from_str("1.0.0-beta").unwrap());
    assert!(Semver::from_str("1.0.0-beta").unwrap() < Semver::from_str("1.0.0-beta.2").unwrap());
    assert!(Semver::from_str("1.0.0-beta.2").unwrap() < Semver::from_str("1.0.0-beta.11").unwrap());
    assert!(Semver::from_str("1.0.0-beta.11").unwrap() < Semver::from_str("1.0.0-rc.1").unwrap());
    assert!(Semver::from_str("1.0.0-rc.1").unwrap() < Semver::from_str("1.0.0").unwrap());

    let mut set = BTreeSet::new();
    set.insert(Semver::from_str("1.0.0+a.b.c").unwrap());
    set.insert(Semver::from_str("1.0.0").unwrap());
    assert_eq!(set.len(), 1);
}