reifydb_type/value/number/

parse.rs

// Copyright (c) reifydb.com 2025
// This file is licensed under the MIT, see license.md file

use std::{any::TypeId, borrow::Cow, num::IntErrorKind, str::FromStr};

use crate::{
	Error, Fragment, Type, err,
	error::diagnostic::number::{invalid_number_format, nan_not_allowed, number_out_of_range},
	return_error,
	value::is::{IsFloat, IsInt, IsUint},
};

pub fn parse_primitive_int<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: IsInt + 'static,
{
	if TypeId::of::<T>() == TypeId::of::<i8>() {
		Ok(cast::<T, i8>(parse_i8(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<i16>() {
		Ok(cast::<T, i16>(parse_i16(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<i32>() {
		Ok(cast::<T, i32>(parse_i32(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<i64>() {
		Ok(cast::<T, i64>(parse_i64(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<i128>() {
		Ok(cast::<T, i128>(parse_i128(fragment)?))
	} else {
		unreachable!();
	}
}

pub fn parse_primitive_uint<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: IsUint + 'static,
{
	if TypeId::of::<T>() == TypeId::of::<u8>() {
		Ok(cast::<T, u8>(parse_u8(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<u16>() {
		Ok(cast::<T, u16>(parse_u16(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<u32>() {
		Ok(cast::<T, u32>(parse_u32(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<u64>() {
		Ok(cast::<T, u64>(parse_u64(fragment)?))
	} else if TypeId::of::<T>() == TypeId::of::<u128>() {
		Ok(cast::<T, u128>(parse_u128(fragment)?))
	} else {
		unreachable!();
	}
}

pub fn parse_float<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: IsFloat + 'static,
{
	// Fragment is already owned, no conversion needed
	if fragment.text().to_lowercase().contains("nan") {
		return_error!(nan_not_allowed());
	}

	if TypeId::of::<T>() == TypeId::of::<f32>() {
		Ok(cast::<T, f32>(parse_f32(fragment.clone())?))
	} else if TypeId::of::<T>() == TypeId::of::<f64>() {
		Ok(cast::<T, f64>(parse_f64(fragment)?))
	} else {
		unreachable!();
	}
}

fn cast_float_to_int<T: 'static>(f: f64) -> T {
	if TypeId::of::<T>() == TypeId::of::<i8>() {
		cast::<T, i8>(f as i8)
	} else if TypeId::of::<T>() == TypeId::of::<i16>() {
		cast::<T, i16>(f as i16)
	} else if TypeId::of::<T>() == TypeId::of::<i32>() {
		cast::<T, i32>(f as i32)
	} else if TypeId::of::<T>() == TypeId::of::<i64>() {
		cast::<T, i64>(f as i64)
	} else if TypeId::of::<T>() == TypeId::of::<i128>() {
		cast::<T, i128>(f as i128)
	} else if TypeId::of::<T>() == TypeId::of::<u8>() {
		cast::<T, u8>(f as u8)
	} else if TypeId::of::<T>() == TypeId::of::<u16>() {
		cast::<T, u16>(f as u16)
	} else if TypeId::of::<T>() == TypeId::of::<u32>() {
		cast::<T, u32>(f as u32)
	} else if TypeId::of::<T>() == TypeId::of::<u64>() {
		cast::<T, u64>(f as u64)
	} else if TypeId::of::<T>() == TypeId::of::<u128>() {
		cast::<T, u128>(f as u128)
	} else {
		unreachable!()
	}
}

fn cast<T: 'static, U: 'static>(v: U) -> T {
	// SAFETY: caller guarantees that T and U are the same type
	assert_eq!(TypeId::of::<T>(), TypeId::of::<U>());
	unsafe { std::mem::transmute_copy(&v) }
}

trait TypeInfo {
	fn type_enum() -> Type;
}

impl TypeInfo for i8 {
	fn type_enum() -> Type {
		Type::Int1
	}
}
impl TypeInfo for i16 {
	fn type_enum() -> Type {
		Type::Int2
	}
}
impl TypeInfo for i32 {
	fn type_enum() -> Type {
		Type::Int4
	}
}
impl TypeInfo for i64 {
	fn type_enum() -> Type {
		Type::Int8
	}
}
impl TypeInfo for i128 {
	fn type_enum() -> Type {
		Type::Int16
	}
}
impl TypeInfo for u8 {
	fn type_enum() -> Type {
		Type::Uint1
	}
}
impl TypeInfo for u16 {
	fn type_enum() -> Type {
		Type::Uint2
	}
}
impl TypeInfo for u32 {
	fn type_enum() -> Type {
		Type::Uint4
	}
}
impl TypeInfo for u64 {
	fn type_enum() -> Type {
		Type::Uint8
	}
}
impl TypeInfo for u128 {
	fn type_enum() -> Type {
		Type::Uint16
	}
}
impl TypeInfo for f32 {
	fn type_enum() -> Type {
		Type::Float4
	}
}
impl TypeInfo for f64 {
	fn type_enum() -> Type {
		Type::Float8
	}
}

#[inline]
fn parse_signed_generic<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: FromStr<Err = std::num::ParseIntError> + TypeInfo + 'static,
{
	// Fragment is already owned, no conversion needed
	let raw_value = fragment.text();

	// Fast path: check if we need any string processing
	let needs_trimming = raw_value.as_bytes().first().map_or(false, |&b| b.is_ascii_whitespace())
		|| raw_value.as_bytes().last().map_or(false, |&b| b.is_ascii_whitespace());
	let has_underscores = raw_value.as_bytes().contains(&b'_');

	let value = match (needs_trimming, has_underscores) {
		(false, false) => Cow::Borrowed(raw_value), // Fast path -
		// no processing
		// needed
		(true, false) => Cow::Borrowed(raw_value.trim()),
		(false, true) => Cow::Owned(raw_value.replace('_', "")),
		(true, true) => Cow::Owned(raw_value.trim().replace('_', "")),
	};

	if value.is_empty() {
		return_error!(invalid_number_format(fragment, T::type_enum()));
	}

	match value.parse::<T>() {
		Ok(v) => Ok(v),
		Err(err) => match err.kind() {
			IntErrorKind::Empty => {
				err!(invalid_number_format(fragment, T::type_enum()))
			}
			IntErrorKind::InvalidDigit => {
				if let Ok(f) = value.parse::<f64>() {
					let truncated = f.trunc();
					let type_enum = T::type_enum();
					let in_range = match type_enum {
						Type::Int1 => {
							truncated >= i8::MIN as f64 && truncated <= i8::MAX as f64
						}
						Type::Int2 => {
							truncated >= i16::MIN as f64 && truncated <= i16::MAX as f64
						}
						Type::Int4 => {
							truncated >= i32::MIN as f64 && truncated <= i32::MAX as f64
						}
						Type::Int8 => {
							truncated >= i64::MIN as f64 && truncated <= i64::MAX as f64
						}
						Type::Int16 => {
							truncated >= i128::MIN as f64 && truncated <= i128::MAX as f64
						}
						_ => false,
					};
					if in_range {
						Ok(cast_float_to_int::<T>(truncated))
					} else {
						err!(number_out_of_range(fragment, type_enum, None))
					}
				} else {
					err!(invalid_number_format(fragment, T::type_enum()))
				}
			}
			IntErrorKind::PosOverflow => {
				err!(number_out_of_range(fragment, T::type_enum(), None))
			}
			IntErrorKind::NegOverflow => {
				err!(number_out_of_range(fragment, T::type_enum(), None))
			}
			IntErrorKind::Zero => {
				err!(invalid_number_format(fragment, T::type_enum()))
			}
			&_ => unreachable!("{}", err),
		},
	}
}

#[inline]
fn parse_unsigned_generic<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: FromStr<Err = std::num::ParseIntError> + TypeInfo + 'static,
{
	// Fragment is already owned, no conversion needed
	let raw_value = fragment.text();

	// Fast path: check if we need any string processing
	let needs_trimming = raw_value.as_bytes().first().map_or(false, |&b| b.is_ascii_whitespace())
		|| raw_value.as_bytes().last().map_or(false, |&b| b.is_ascii_whitespace());
	let has_underscores = raw_value.as_bytes().contains(&b'_');

	let value = match (needs_trimming, has_underscores) {
		(false, false) => Cow::Borrowed(raw_value), // Fast path -
		// no processing
		// needed
		(true, false) => Cow::Borrowed(raw_value.trim()),
		(false, true) => Cow::Owned(raw_value.replace('_', "")),
		(true, true) => Cow::Owned(raw_value.trim().replace('_', "")),
	};

	if value.is_empty() {
		return_error!(invalid_number_format(fragment, T::type_enum()));
	}

	match value.parse::<T>() {
		Ok(v) => Ok(v),
		Err(err) => {
			match err.kind() {
				IntErrorKind::Empty => {
					err!(invalid_number_format(fragment, T::type_enum()))
				}
				IntErrorKind::InvalidDigit => {
					if let Ok(f) = value.parse::<f64>() {
						// For unsigned types, reject
						// negative values
						if f < 0.0 {
							return_error!(number_out_of_range(
								fragment,
								T::type_enum(),
								None
							));
						}
						let truncated = f.trunc();
						let type_enum = T::type_enum();
						let in_range = match type_enum {
							Type::Uint1 => truncated >= 0.0 && truncated <= u8::MAX as f64,
							Type::Uint2 => truncated >= 0.0 && truncated <= u16::MAX as f64,
							Type::Uint4 => truncated >= 0.0 && truncated <= u32::MAX as f64,
							Type::Uint8 => truncated >= 0.0 && truncated <= u64::MAX as f64,
							Type::Uint16 => {
								truncated >= 0.0 && truncated <= u128::MAX as f64
							}
							_ => false,
						};
						if in_range {
							Ok(cast_float_to_int::<T>(truncated))
						} else {
							err!(number_out_of_range(fragment, type_enum, None))
						}
					} else {
						if value.contains("-") {
							err!(number_out_of_range(fragment, T::type_enum(), None))
						} else {
							err!(invalid_number_format(fragment, T::type_enum()))
						}
					}
				}
				IntErrorKind::PosOverflow => {
					err!(number_out_of_range(fragment, T::type_enum(), None))
				}
				IntErrorKind::NegOverflow => {
					err!(number_out_of_range(fragment, T::type_enum(), None))
				}
				IntErrorKind::Zero => {
					err!(invalid_number_format(fragment, T::type_enum()))
				}
				&_ => unreachable!("{}", err),
			}
		}
	}
}

#[inline]
fn parse_float_generic<'a, T>(fragment: Fragment) -> Result<T, Error>
where
	T: FromStr<Err = std::num::ParseFloatError> + Copy + TypeInfo + PartialEq + 'static,
{
	// Fragment is already owned, no conversion needed
	let raw_value = fragment.text();

	// Fast path: check if we need any string processing
	let needs_trimming = raw_value.as_bytes().first().map_or(false, |&b| b.is_ascii_whitespace())
		|| raw_value.as_bytes().last().map_or(false, |&b| b.is_ascii_whitespace());
	let has_underscores = raw_value.as_bytes().contains(&b'_');

	let value = match (needs_trimming, has_underscores) {
		(false, false) => Cow::Borrowed(raw_value), // Fast path -
		// no processing
		// needed
		(true, false) => Cow::Borrowed(raw_value.trim()),
		(false, true) => Cow::Owned(raw_value.replace('_', "")),
		(true, true) => Cow::Owned(raw_value.trim().replace('_', "")),
	};

	if value.is_empty() {
		return_error!(invalid_number_format(fragment, T::type_enum()));
	}

	match value.parse::<T>() {
		Ok(v) => {
			if TypeId::of::<T>() == TypeId::of::<f32>() {
				let v_f32 = cast::<f32, T>(v);
				if v_f32 == f32::INFINITY || v_f32 == f32::NEG_INFINITY {
					return_error!(number_out_of_range(fragment, T::type_enum(), None));
				}
			} else if TypeId::of::<T>() == TypeId::of::<f64>() {
				let v_f64 = cast::<f64, T>(v);
				if v_f64 == f64::INFINITY || v_f64 == f64::NEG_INFINITY {
					return_error!(number_out_of_range(fragment, T::type_enum(), None));
				}
			}
			Ok(v)
		}
		Err(_) => err!(invalid_number_format(fragment, T::type_enum())),
	}
}

#[inline]
fn parse_f32<'a>(fragment: Fragment) -> Result<f32, Error> {
	parse_float_generic::<f32>(fragment)
}

#[inline]
fn parse_f64<'a>(fragment: Fragment) -> Result<f64, Error> {
	parse_float_generic::<f64>(fragment)
}

#[inline]
fn parse_i8<'a>(fragment: Fragment) -> Result<i8, Error> {
	parse_signed_generic::<i8>(fragment)
}

#[inline]
fn parse_i16<'a>(fragment: Fragment) -> Result<i16, Error> {
	parse_signed_generic::<i16>(fragment)
}

#[inline]
fn parse_i32<'a>(fragment: Fragment) -> Result<i32, Error> {
	parse_signed_generic::<i32>(fragment)
}

#[inline]
fn parse_i64<'a>(fragment: Fragment) -> Result<i64, Error> {
	parse_signed_generic::<i64>(fragment)
}

#[inline]
fn parse_i128<'a>(fragment: Fragment) -> Result<i128, Error> {
	parse_signed_generic::<i128>(fragment)
}

#[inline]
fn parse_u8<'a>(fragment: Fragment) -> Result<u8, Error> {
	parse_unsigned_generic::<u8>(fragment)
}

#[inline]
fn parse_u16<'a>(fragment: Fragment) -> Result<u16, Error> {
	parse_unsigned_generic::<u16>(fragment)
}

#[inline]
fn parse_u32<'a>(fragment: Fragment) -> Result<u32, Error> {
	parse_unsigned_generic::<u32>(fragment)
}

#[inline]
fn parse_u64<'a>(fragment: Fragment) -> Result<u64, Error> {
	parse_unsigned_generic::<u64>(fragment)
}

#[inline]
fn parse_u128<'a>(fragment: Fragment) -> Result<u128, Error> {
	parse_unsigned_generic::<u128>(fragment)
}

#[cfg(test)]
#[allow(clippy::approx_constant)]
mod tests {

	mod i8 {
		use crate::{Fragment, parse_primitive_int};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("42")), Ok(42));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-42")), Ok(-42));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("127")), Ok(127));
		}

		#[test]
		fn test_valid_min() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-128")), Ok(-128));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("128")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("-129")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_invalid_whitespace() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("   ")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("42.9")), Ok(42));
		}

		#[test]
		fn test_float_truncation_negative() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-42.9")), Ok(-42));
		}

		#[test]
		fn test_float_truncation_zero() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_negative_zero() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_max() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("127.9")), Ok(127));
		}

		#[test]
		fn test_float_truncation_min() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-128.9")), Ok(-128));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("1e+2")), Ok(100));
		}

		#[test]
		fn test_float_scientific_small() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("1.23e-1")), Ok(0));
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("128.0")).is_err());
		}

		#[test]
		fn test_float_overflow_negative() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("-129.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("1e3")).is_err());
		}

		#[test]
		fn test_invalid_float_format() {
			assert!(parse_primitive_int::<i8>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing(" 42")), Ok(42));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("42 ")), Ok(42));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing(" 42 ")), Ok(42));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing(" -42")), Ok(-42));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing("-42 ")), Ok(-42));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_primitive_int::<i8>(Fragment::testing(" -42 ")), Ok(-42));
		}
	}

	mod i16 {
		use crate::{Fragment, parse_primitive_int};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("1000")), Ok(1000));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("-1000")), Ok(-1000));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("32767")), Ok(32767));
		}

		#[test]
		fn test_valid_min() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("-32768")), Ok(-32768));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("32768")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("-32769")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("hello")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("1000.7")), Ok(1000));
		}

		#[test]
		fn test_float_truncation_negative() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("-1000.7")), Ok(-1000));
		}

		#[test]
		fn test_float_truncation_max() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("32767.9")), Ok(32767));
		}

		#[test]
		fn test_float_truncation_min() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("-32768.9")), Ok(-32768));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("1.5e3")), Ok(1500));
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("32768.0")).is_err());
		}

		#[test]
		fn test_float_overflow_negative() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("-32769.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_int::<i16>(Fragment::testing("1e5")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing(" 1000")), Ok(1000));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("1000 ")), Ok(1000));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing(" 1000 ")), Ok(1000));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing(" -1000")), Ok(-1000));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing("-1000 ")), Ok(-1000));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_primitive_int::<i16>(Fragment::testing(" -1000 ")), Ok(-1000));
		}
	}

	mod i32 {
		use crate::{Fragment, parse_primitive_int};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("1000000")), Ok(1000000));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-1000000")), Ok(-1000000));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("2147483647")), Ok(2147483647));
		}

		#[test]
		fn test_valid_min() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-2147483648")), Ok(-2147483648));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("2147483648")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("-2147483649")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("not_a_number")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("3.14")), Ok(3));
		}

		#[test]
		fn test_float_truncation_negative() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-3.14")), Ok(-3));
		}

		#[test]
		fn test_float_truncation_zero() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_negative_zero() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_large() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("42.999")), Ok(42));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("1e+2")), Ok(100));
		}

		#[test]
		fn test_float_scientific_decimal() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("2.5e3")), Ok(2500));
		}

		#[test]
		fn test_float_scientific_negative() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-1.5e2")), Ok(-150));
		}

		#[test]
		fn test_float_scientific_small() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("1.23e-1")), Ok(0));
		}

		#[test]
		fn test_float_scientific_very_small() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("9.9e-1")), Ok(0));
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("2147483648.0")).is_err());
		}

		#[test]
		fn test_float_overflow_negative() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("-2147483649.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("1e10")).is_err());
		}

		#[test]
		fn test_invalid_float_format() {
			assert!(parse_primitive_int::<i32>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing(" 123")), Ok(123));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("123 ")), Ok(123));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing(" 123 ")), Ok(123));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing(" -456")), Ok(-456));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing("-456 ")), Ok(-456));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_primitive_int::<i32>(Fragment::testing(" -456 ")), Ok(-456));
		}
	}

	mod i64 {
		use crate::{Fragment, parse_primitive_int};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("1000000000")), Ok(1000000000));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("-1000000000")), Ok(-1000000000));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("9223372036854775807")), Ok(i64::MAX));
		}

		#[test]
		fn test_valid_min() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("-9223372036854775808")), Ok(i64::MIN));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("9223372036854775808")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("-9223372036854775809")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("invalid")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("12345.67")), Ok(12345));
		}

		#[test]
		fn test_float_truncation_negative() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("-12345.67")), Ok(-12345));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("1e10")), Ok(10000000000));
		}

		#[test]
		fn test_float_scientific_large() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("9.223e18")), Ok(9223000000000000000));
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("1e19")).is_err());
		}

		#[test]
		fn test_float_overflow_negative() {
			assert!(parse_primitive_int::<i64>(Fragment::testing("-1e19")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing(" 1000000000")), Ok(1000000000));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("1000000000 ")), Ok(1000000000));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing(" 1000000000 ")), Ok(1000000000));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing(" -1000000000")), Ok(-1000000000));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing("-1000000000 ")), Ok(-1000000000));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_primitive_int::<i64>(Fragment::testing(" -1000000000 ")), Ok(-1000000000));
		}
	}

	mod i128 {
		use crate::{Fragment, parse_primitive_int};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_int::<i128>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing("12345678901234567890")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing("-12345678901234567890")),
				Ok(-12345678901234567890)
			);
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(&i128::MAX.to_string())),
				Ok(i128::MAX)
			);
		}

		#[test]
		fn test_valid_min() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(&i128::MIN.to_string())),
				Ok(i128::MIN)
			);
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_int::<i128>(Fragment::testing(
				"170141183460469231731687303715884105728"
			))
			.is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_int::<i128>(Fragment::testing(
				"-170141183460469231731687303715884105729"
			))
			.is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_int::<i128>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_int::<i128>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_int::<i128>(Fragment::testing("123456789.123")), Ok(123456789));
		}

		#[test]
		fn test_float_truncation_negative() {
			assert_eq!(parse_primitive_int::<i128>(Fragment::testing("-123456789.123")), Ok(-123456789));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_int::<i128>(Fragment::testing("1e20")), Ok(100000000000000000000));
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_int::<i128>(Fragment::testing("1e40")).is_err());
		}

		#[test]
		fn test_float_overflow_negative() {
			assert!(parse_primitive_int::<i128>(Fragment::testing("-1e40")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(" 12345678901234567890")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing("12345678901234567890 ")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(" 12345678901234567890 ")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(" -12345678901234567890")),
				Ok(-12345678901234567890)
			);
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing("-12345678901234567890 ")),
				Ok(-12345678901234567890)
			);
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(
				parse_primitive_int::<i128>(Fragment::testing(" -12345678901234567890 ")),
				Ok(-12345678901234567890)
			);
		}
	}

	mod u8 {
		use crate::{Fragment, parse_primitive_uint};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("128")), Ok(128));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("255")), Ok(255));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("256")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("-1")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("128.9")), Ok(128));
		}

		#[test]
		fn test_float_truncation_zero() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_max() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("255.9")), Ok(255));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("2e2")), Ok(200));
		}

		#[test]
		fn test_float_scientific_small() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("1.23e-1")), Ok(0));
		}

		#[test]
		fn test_float_negative() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("-1.5")).is_err());
		}

		#[test]
		fn test_float_negative_zero() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("-0.1")).is_err());
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("256.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("1e3")).is_err());
		}

		#[test]
		fn test_invalid_float_format() {
			assert!(parse_primitive_uint::<u8>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing(" 128")), Ok(128));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing("128 ")), Ok(128));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_uint::<u8>(Fragment::testing(" 128 ")), Ok(128));
		}
	}

	mod u16 {
		use crate::{Fragment, parse_primitive_uint};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("32768")), Ok(32768));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("65535")), Ok(65535));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("65536")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("-1")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("invalid")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("32768.7")), Ok(32768));
		}

		#[test]
		fn test_float_truncation_max() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("65535.9")), Ok(65535));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("6.5e4")), Ok(65000));
		}

		#[test]
		fn test_float_negative() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("-100.0")).is_err());
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("65536.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_uint::<u16>(Fragment::testing("1e5")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing(" 32768")), Ok(32768));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing("32768 ")), Ok(32768));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_uint::<u16>(Fragment::testing(" 32768 ")), Ok(32768));
		}
	}

	mod u32 {
		use crate::{Fragment, parse_primitive_uint};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("1000000")), Ok(1000000));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("4294967295")), Ok(4294967295));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("4294967296")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("-1")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("text")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("3.14")), Ok(3));
		}

		#[test]
		fn test_float_truncation_zero() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("0.0")), Ok(0));
		}

		#[test]
		fn test_float_truncation_large() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("42.999")), Ok(42));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("1e+2")), Ok(100));
		}

		#[test]
		fn test_float_scientific_decimal() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("2.5e3")), Ok(2500));
		}

		#[test]
		fn test_float_scientific_small() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("1.23e-1")), Ok(0));
		}

		#[test]
		fn test_float_negative() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("-3.14")).is_err());
		}

		#[test]
		fn test_float_negative_small() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("-0.1")).is_err());
		}

		#[test]
		fn test_float_negative_scientific() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("-1e2")).is_err());
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("4294967296.0")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("1e10")).is_err());
		}

		#[test]
		fn test_invalid_float_format() {
			assert!(parse_primitive_uint::<u32>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing(" 1000000")), Ok(1000000));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing("1000000 ")), Ok(1000000));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_primitive_uint::<u32>(Fragment::testing(" 1000000 ")), Ok(1000000));
		}
	}

	mod u64 {
		use crate::{Fragment, parse_primitive_uint};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing("1000000000000")), Ok(1000000000000));
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(
				parse_primitive_uint::<u64>(Fragment::testing("18446744073709551615")),
				Ok(u64::MAX)
			);
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("18446744073709551616")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("-1")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("not_valid")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing("123456789.123")), Ok(123456789));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing("1e12")), Ok(1000000000000));
		}

		#[test]
		fn test_float_negative() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("-1.0")).is_err());
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("2e19")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_uint::<u64>(Fragment::testing("1e20")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing(" 1000000000000")), Ok(1000000000000));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_primitive_uint::<u64>(Fragment::testing("1000000000000 ")), Ok(1000000000000));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(
				parse_primitive_uint::<u64>(Fragment::testing(" 1000000000000 ")),
				Ok(1000000000000)
			);
		}
	}

	mod u128 {
		use crate::{Fragment, parse_primitive_uint};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_primitive_uint::<u128>(Fragment::testing("0")), Ok(0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(
				parse_primitive_uint::<u128>(Fragment::testing("12345678901234567890")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn test_valid_max() {
			assert_eq!(
				parse_primitive_uint::<u128>(Fragment::testing(&u128::MAX.to_string())),
				Ok(u128::MAX)
			);
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing(
				"340282366920938463463374607431768211456"
			))
			.is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("-1")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_float_truncation_positive() {
			assert_eq!(parse_primitive_uint::<u128>(Fragment::testing("123456789.999")), Ok(123456789));
		}

		#[test]
		fn test_float_scientific_notation() {
			assert_eq!(parse_primitive_uint::<u128>(Fragment::testing("1e20")), Ok(100000000000000000000));
		}

		#[test]
		fn test_float_negative() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("-1.0")).is_err());
		}

		#[test]
		fn test_float_overflow_positive() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("1e40")).is_err());
		}

		#[test]
		fn test_float_overflow_scientific() {
			assert!(parse_primitive_uint::<u128>(Fragment::testing("1e50")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(
				parse_primitive_uint::<u128>(Fragment::testing(" 12345678901234567890")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(
				parse_primitive_uint::<u128>(Fragment::testing("12345678901234567890 ")),
				Ok(12345678901234567890)
			);
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(
				parse_primitive_uint::<u128>(Fragment::testing(" 12345678901234567890 ")),
				Ok(12345678901234567890)
			);
		}
	}

	mod f32 {
		use crate::{Fragment, parse_float};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_float::<f32>(Fragment::testing("0.0")), Ok(0.0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_float::<f32>(Fragment::testing("1.5")), Ok(1.5));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_float::<f32>(Fragment::testing("-3.14")), Ok(-3.14));
		}

		#[test]
		fn test_valid_integer() {
			assert_eq!(parse_float::<f32>(Fragment::testing("42")), Ok(42.0));
		}

		#[test]
		fn test_valid_scientific() {
			assert_eq!(parse_float::<f32>(Fragment::testing("1e2")), Ok(100.0));
		}

		#[test]
		fn test_valid_scientific_negative() {
			assert_eq!(parse_float::<f32>(Fragment::testing("1e-2")), Ok(0.01));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_float::<f32>(Fragment::testing("3.5e38")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_float::<f32>(Fragment::testing("-3.5e38")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_float::<f32>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_float::<f32>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_invalid_whitespace() {
			assert!(parse_float::<f32>(Fragment::testing("   ")).is_err());
		}

		#[test]
		fn test_invalid_nan() {
			assert!(parse_float::<f32>(Fragment::testing("NaN")).is_err());
		}

		#[test]
		fn test_invalid_nan_lowercase() {
			assert!(parse_float::<f32>(Fragment::testing("nan")).is_err());
		}

		#[test]
		fn test_invalid_multiple_dots() {
			assert!(parse_float::<f32>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_float::<f32>(Fragment::testing(" 1.5")), Ok(1.5));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_float::<f32>(Fragment::testing("1.5 ")), Ok(1.5));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_float::<f32>(Fragment::testing(" 1.5 ")), Ok(1.5));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_float::<f32>(Fragment::testing(" -3.14")), Ok(-3.14));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_float::<f32>(Fragment::testing("-3.14 ")), Ok(-3.14));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_float::<f32>(Fragment::testing(" -3.14 ")), Ok(-3.14));
		}
	}

	mod f64 {
		use crate::{Fragment, parse_float};

		#[test]
		fn test_valid_zero() {
			assert_eq!(parse_float::<f64>(Fragment::testing("0.0")), Ok(0.0));
		}

		#[test]
		fn test_valid_positive() {
			assert_eq!(parse_float::<f64>(Fragment::testing("1.23")), Ok(1.23));
		}

		#[test]
		fn test_valid_negative() {
			assert_eq!(parse_float::<f64>(Fragment::testing("-0.001")), Ok(-0.001));
		}

		#[test]
		fn test_valid_integer() {
			assert_eq!(parse_float::<f64>(Fragment::testing("42")), Ok(42.0));
		}

		#[test]
		fn test_valid_scientific() {
			assert_eq!(parse_float::<f64>(Fragment::testing("1e10")), Ok(1e10));
		}

		#[test]
		fn test_valid_scientific_negative() {
			assert_eq!(parse_float::<f64>(Fragment::testing("1e-10")), Ok(1e-10));
		}

		#[test]
		fn test_overflow_positive() {
			assert!(parse_float::<f64>(Fragment::testing("1e400")).is_err());
		}

		#[test]
		fn test_overflow_negative() {
			assert!(parse_float::<f64>(Fragment::testing("-1e400")).is_err());
		}

		#[test]
		fn test_invalid_text() {
			assert!(parse_float::<f64>(Fragment::testing("abc")).is_err());
		}

		#[test]
		fn test_invalid_empty() {
			assert!(parse_float::<f64>(Fragment::testing("")).is_err());
		}

		#[test]
		fn test_invalid_whitespace() {
			assert!(parse_float::<f64>(Fragment::testing("   ")).is_err());
		}

		#[test]
		fn test_invalid_nan() {
			assert!(parse_float::<f64>(Fragment::testing("NaN")).is_err());
		}

		#[test]
		fn test_invalid_nan_mixed_case() {
			assert!(parse_float::<f64>(Fragment::testing("NaN")).is_err());
		}

		#[test]
		fn test_invalid_multiple_dots() {
			assert!(parse_float::<f64>(Fragment::testing("1.2.3")).is_err());
		}

		#[test]
		fn trimming_leading_space() {
			assert_eq!(parse_float::<f64>(Fragment::testing(" 1.23")), Ok(1.23));
		}

		#[test]
		fn trimming_trailing_space() {
			assert_eq!(parse_float::<f64>(Fragment::testing("1.23 ")), Ok(1.23));
		}

		#[test]
		fn trimming_both_spaces() {
			assert_eq!(parse_float::<f64>(Fragment::testing(" 1.23 ")), Ok(1.23));
		}

		#[test]
		fn trimming_negative_leading_space() {
			assert_eq!(parse_float::<f64>(Fragment::testing(" -0.001")), Ok(-0.001));
		}

		#[test]
		fn trimming_negative_trailing_space() {
			assert_eq!(parse_float::<f64>(Fragment::testing("-0.001 ")), Ok(-0.001));
		}

		#[test]
		fn trimming_negative_both_spaces() {
			assert_eq!(parse_float::<f64>(Fragment::testing(" -0.001 ")), Ok(-0.001));
		}
	}
}