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// 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::floats::PrimitiveFloat;
use malachite_base::num::float::NiceFloat;
use malachite_base::test_util::common::test_cmp_helper;
use malachite_base::test_util::generators::{
primitive_float_gen, primitive_float_pair_gen, primitive_float_triple_gen,
};
use std::cmp::Ordering::*;
const TEST_STRINGS: [&str; 7] = ["-Infinity", "-5.0e5", "-0.0", "NaN", "0.0", "0.123", "Infinity"];
#[test]
pub fn test_cmp() {
test_cmp_helper::<NiceFloat<f32>>(&TEST_STRINGS);
test_cmp_helper::<NiceFloat<f64>>(&TEST_STRINGS);
}
fn cmp_properties_helper<T: PrimitiveFloat>() {
primitive_float_pair_gen::<T>().test_properties(|(x, y)| {
let x = NiceFloat(x);
let y = NiceFloat(y);
let ord = x.cmp(&y);
assert_eq!(y.cmp(&x).reverse(), ord);
assert_eq!(NiceFloat(-y.0).cmp(&NiceFloat(-x.0)), ord);
});
primitive_float_gen::<T>().test_properties(|x| {
let x = NiceFloat(x);
assert_eq!(x.cmp(&x), Equal);
});
primitive_float_triple_gen::<T>().test_properties(|(x, y, z)| {
let x = NiceFloat(x);
let y = NiceFloat(y);
let z = NiceFloat(z);
if x < y && y < z {
assert!(x < z);
} else if x > y && y > z {
assert!(x > z);
}
});
}
#[test]
pub fn cmp_properties() {
apply_fn_to_primitive_floats!(cmp_properties_helper);
}
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