// 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 .
use malachite_base::num::basic::unsigneds::PrimitiveUnsigned;
use malachite_base::num::conversion::traits::{JoinHalves, SplitInHalf};
use malachite_base::test_util::generators::unsigned_gen;
fn upper_half_test_helper(n: T, out: T::Half)
where
T::Half: PrimitiveUnsigned,
{
assert_eq!(n.upper_half(), out);
}
#[test]
pub fn test_upper_half() {
upper_half_test_helper(0u64, 0u32);
upper_half_test_helper(1u64, 0u32);
upper_half_test_helper(u16::from(u8::MAX), 0);
upper_half_test_helper(u16::from(u8::MAX) + 1, 1);
upper_half_test_helper(u16::MAX, u8::MAX);
upper_half_test_helper(258u16, 1u8);
upper_half_test_helper(0xabcd1234u32, 0xabcd);
}
fn upper_half_properties_helper() {
unsigned_gen::().test_properties(|n| {
let upper = n.upper_half();
assert_eq!(T::join_halves(upper, n.lower_half()), n);
});
}
#[test]
fn upper_half_properties() {
upper_half_properties_helper::();
upper_half_properties_helper::();
upper_half_properties_helper::();
upper_half_properties_helper::();
}