reifydb-value 0.6.0

// SPDX-License-Identifier: MIT
// Copyright (c) 2026 ReifyDB

use super::*;

impl_safe_convert_unsigned_demote!(u128 => u8, u16, u32, u64);

impl_safe_unsigned_convert!(u128 => i8, i16, i32, i64, i128);

impl_safe_convert_unsigned_to_float!(24; u128 => f32);
impl_safe_convert_unsigned_to_float!(53; u128 => f64);

impl_safe_convert_to_int!(u128);
impl_safe_convert_unsigned_to_uint!(u128);

impl_safe_convert_to_decimal_from_large_int!(u128);

#[cfg(test)]
pub mod tests {
	use super::SafeConvert;

	mod i8 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 42;
			let y: Option<i8> = x.checked_convert();
			assert_eq!(y, Some(42i8));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 500;
			let y: Option<i8> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 500;
			let y: i8 = x.saturating_convert();
			assert_eq!(y, i8::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 500;
			let y: i8 = x.wrapping_convert();
			assert_eq!(y, -12i8);
		}
	}

	mod i16 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 42;
			let y: Option<i16> = x.checked_convert();
			assert_eq!(y, Some(42i16));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 100000;
			let y: Option<i16> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 100000;
			let y: i16 = x.saturating_convert();
			assert_eq!(y, i16::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 100000;
			let y: i16 = x.wrapping_convert();
			assert_eq!(y, -31072i16);
		}
	}

	mod i32 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 42;
			let y: Option<i32> = x.checked_convert();
			assert_eq!(y, Some(42i32));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 5000000000u128;
			let y: Option<i32> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 5000000000u128;
			let y: i32 = x.saturating_convert();
			assert_eq!(y, i32::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 5000000000u128;
			let y: i32 = x.wrapping_convert();
			assert_eq!(y, 705032704i32);
		}
	}

	mod i64 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 42;
			let y: Option<i64> = x.checked_convert();
			assert_eq!(y, Some(42i64));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = u128::MAX;
			let y: Option<i64> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: i64 = x.saturating_convert();
			assert_eq!(y, i64::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = u128::MAX;
			let y: i64 = x.wrapping_convert();
			assert_eq!(y, -1i64);
		}
	}

	mod i128 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 42;
			let y: Option<i128> = x.checked_convert();
			assert_eq!(y, Some(42i128));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = u128::MAX;
			let y: Option<i128> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: i128 = x.saturating_convert();
			assert_eq!(y, i128::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = u128::MAX;
			let y: i128 = x.wrapping_convert();
			assert_eq!(y, -1i128);
		}
	}

	mod f32 {
		use super::*;

		#[test]
		fn test_checked_convert() {
			let x: u128 = 42;
			let y: Option<f32> = x.checked_convert();
			assert_eq!(y, Some(42.0f32));
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 100;
			let y: f32 = x.saturating_convert();
			assert_eq!(y, 100.0f32);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 1000;
			let y: f32 = x.wrapping_convert();
			assert_eq!(y, 1000.0f32);
		}

		#[test]
		fn test_checked_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: Option<f32> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: f32 = x.saturating_convert();
			assert_eq!(y, (1u64 << 24) as f32);
		}

		#[test]
		fn test_wrapping_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: f32 = x.wrapping_convert();
			assert_eq!(y, u128::MAX as f32);
		}
	}

	mod f64 {
		use super::*;

		#[test]
		fn test_checked_convert() {
			let x: u128 = 42;
			let y: Option<f64> = x.checked_convert();
			assert_eq!(y, Some(42.0f64));
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 100;
			let y: f64 = x.saturating_convert();
			assert_eq!(y, 100.0f64);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 1000;
			let y: f64 = x.wrapping_convert();
			assert_eq!(y, 1000.0f64);
		}

		#[test]
		fn test_checked_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: Option<f64> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: f64 = x.saturating_convert();
			assert_eq!(y, (1u64 << 53) as f64);
		}

		#[test]
		fn test_wrapping_convert_overflow() {
			let x: u128 = u128::MAX;
			let y: f64 = x.wrapping_convert();
			assert!(y.is_finite());
		}
	}

	mod u8 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 255;
			let y: Option<u8> = x.checked_convert();
			assert_eq!(y, Some(255u8));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 256;
			let y: Option<u8> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 1000;
			let y: u8 = x.saturating_convert();
			assert_eq!(y, u8::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 256;
			let y: u8 = x.wrapping_convert();
			assert_eq!(y, 0u8);
		}
	}

	mod u16 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 65535;
			let y: Option<u16> = x.checked_convert();
			assert_eq!(y, Some(65535u16));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 65536;
			let y: Option<u16> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = 100000;
			let y: u16 = x.saturating_convert();
			assert_eq!(y, u16::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 65536;
			let y: u16 = x.wrapping_convert();
			assert_eq!(y, 0u16);
		}
	}

	mod u32 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 4294967295;
			let y: Option<u32> = x.checked_convert();
			assert_eq!(y, Some(4294967295u32));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 4294967296;
			let y: Option<u32> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: u32 = x.saturating_convert();
			assert_eq!(y, u32::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 4294967296;
			let y: u32 = x.wrapping_convert();
			assert_eq!(y, 0u32);
		}
	}

	mod u64 {
		use super::*;

		#[test]
		fn test_checked_convert_happy() {
			let x: u128 = 18446744073709551615;
			let y: Option<u64> = x.checked_convert();
			assert_eq!(y, Some(18446744073709551615u64));
		}

		#[test]
		fn test_checked_convert_unhappy() {
			let x: u128 = 18446744073709551616;
			let y: Option<u64> = x.checked_convert();
			assert_eq!(y, None);
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: u64 = x.saturating_convert();
			assert_eq!(y, u64::MAX);
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 18446744073709551616;
			let y: u64 = x.wrapping_convert();
			assert_eq!(y, 0u64);
		}
	}

	mod decimal {
		use super::*;
		use crate::value::decimal::Decimal;

		#[test]
		fn test_checked_convert() {
			let x: u128 = 42;
			let y: Option<Decimal> = x.checked_convert();
			assert!(y.is_some());
			let decimal = y.unwrap();
			assert_eq!(decimal.to_string(), "42");
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: Decimal = x.saturating_convert();
			assert_eq!(y.to_string(), "340282366920938463463374607431768211455");
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 1000000000000;
			let y: Decimal = x.wrapping_convert();
			assert_eq!(y.to_string(), "1000000000000");
		}
	}

	mod int {
		use super::*;
		use crate::value::int::Int;

		#[test]
		fn test_checked_convert() {
			let x: u128 = u128::MAX;
			let y: Option<Int> = x.checked_convert();
			assert!(y.is_some());
			assert_eq!(y.unwrap().to_string(), "340282366920938463463374607431768211455");
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = i128::MAX as u128;
			let y: Int = x.saturating_convert();
			assert_eq!(y.to_string(), "170141183460469231731687303715884105727");
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 0;
			let y: Int = x.wrapping_convert();
			assert_eq!(y.to_string(), "0");
		}
	}

	mod uint {
		use super::*;
		use crate::value::uint::Uint;

		#[test]
		fn test_checked_convert() {
			let x: u128 = 42;
			let y: Option<Uint> = x.checked_convert();
			assert!(y.is_some());
			assert_eq!(y.unwrap().to_string(), "42");
		}

		#[test]
		fn test_saturating_convert() {
			let x: u128 = u128::MAX;
			let y: Uint = x.saturating_convert();
			assert_eq!(y.to_string(), "340282366920938463463374607431768211455");
		}

		#[test]
		fn test_wrapping_convert() {
			let x: u128 = 1234567890123456789;
			let y: Uint = x.wrapping_convert();
			assert_eq!(y.to_string(), "1234567890123456789");
		}
	}
}