// Copyright © 2024 Mikhail Hogrefe
//
// This file is part of Malachite.
//
// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.

use malachite_base::num::basic::traits::{NegativeOne, One, OneHalf, Two, Zero};
use malachite_q::Rational;

#[test]
fn test_zero() {
    let zero = Rational::ZERO;
    assert!(zero.is_valid());
    assert_eq!(zero, 0);
    assert_eq!(zero.to_string(), "0");
}

#[test]
fn test_one() {
    let one = Rational::ONE;
    assert!(one.is_valid());
    assert_eq!(one, 1);
    assert_eq!(one.to_string(), "1");
}

#[test]
fn test_two() {
    let two = Rational::TWO;
    assert!(two.is_valid());
    assert_eq!(two, 2);
    assert_eq!(two.to_string(), "2");
}

#[test]
fn test_negative_one() {
    let negative_one = Rational::NEGATIVE_ONE;
    assert!(negative_one.is_valid());
    assert_eq!(negative_one, -1);
    assert_eq!(negative_one.to_string(), "-1");
}

#[test]
fn test_one_half() {
    let one_half = Rational::ONE_HALF;
    assert!(one_half.is_valid());
    assert_eq!(one_half.to_string(), "1/2");
}