reifydb_codec/encoded/
u8.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use reifydb_value::{reifydb_assertions, value::value_type::ValueType};
5
6use crate::encoded::{row::EncodedRow, shape::RowShape};
7
8impl RowShape {
9	pub fn set_u8(&self, row: &mut EncodedRow, index: usize, value: impl Into<u8>) {
10		let field = &self.fields()[index];
11		reifydb_assertions! {
12			assert!(
13				row.len() >= self.total_static_size(),
14				"row/shape size mismatch: row.len()={} < total_static_size()={}",
15				row.len(),
16				self.total_static_size()
17			);
18			assert_eq!(*field.constraint.get_type().inner_type(), ValueType::Uint1);
19		}
20		row.set_valid(index, true);
21		unsafe {
22			row.make_mut().as_mut_ptr().add(field.offset as usize).write_unaligned(value.into());
23		}
24	}
25
26	pub fn get_u8(&self, row: &EncodedRow, index: usize) -> u8 {
27		let field = &self.fields()[index];
28		reifydb_assertions! {
29			assert!(
30				row.len() >= self.total_static_size(),
31				"row/shape size mismatch: row.len()={} < total_static_size()={}",
32				row.len(),
33				self.total_static_size()
34			);
35			assert_eq!(*field.constraint.get_type().inner_type(), ValueType::Uint1);
36		}
37		unsafe { row.as_ptr().add(field.offset as usize).read_unaligned() }
38	}
39
40	pub fn try_get_u8(&self, row: &EncodedRow, index: usize) -> Option<u8> {
41		if row.is_defined(index) && self.fields()[index].constraint.get_type() == ValueType::Uint1 {
42			Some(self.get_u8(row, index))
43		} else {
44			None
45		}
46	}
47}
48
49#[cfg(test)]
50pub mod tests {
51	use reifydb_value::value::value_type::ValueType;
52
53	use crate::encoded::shape::RowShape;
54
55	#[test]
56	fn test_set_get_u8() {
57		let shape = RowShape::testing(&[ValueType::Uint1]);
58		let mut row = shape.allocate();
59		shape.set_u8(&mut row, 0, 255u8);
60		assert_eq!(shape.get_u8(&row, 0), 255u8);
61	}
62
63	#[test]
64	fn test_try_get_u8() {
65		let shape = RowShape::testing(&[ValueType::Uint1]);
66		let mut row = shape.allocate();
67
68		assert_eq!(shape.try_get_u8(&row, 0), None);
69
70		shape.set_u8(&mut row, 0, 255u8);
71		assert_eq!(shape.try_get_u8(&row, 0), Some(255u8));
72	}
73
74	#[test]
75	fn test_extremes() {
76		let shape = RowShape::testing(&[ValueType::Uint1]);
77		let mut row = shape.allocate();
78
79		shape.set_u8(&mut row, 0, u8::MAX);
80		assert_eq!(shape.get_u8(&row, 0), u8::MAX);
81
82		let mut row2 = shape.allocate();
83		shape.set_u8(&mut row2, 0, u8::MIN);
84		assert_eq!(shape.get_u8(&row2, 0), u8::MIN);
85
86		let mut row3 = shape.allocate();
87		shape.set_u8(&mut row3, 0, 0u8);
88		assert_eq!(shape.get_u8(&row3, 0), 0u8);
89	}
90
91	#[test]
92	fn test_various_values() {
93		let shape = RowShape::testing(&[ValueType::Uint1]);
94
95		let test_values = [0u8, 1u8, 127u8, 128u8, 254u8, 255u8];
96
97		for value in test_values {
98			let mut row = shape.allocate();
99			shape.set_u8(&mut row, 0, value);
100			assert_eq!(shape.get_u8(&row, 0), value);
101		}
102	}
103
104	#[test]
105	fn test_mixed_with_other_types() {
106		let shape = RowShape::testing(&[ValueType::Uint1, ValueType::Boolean, ValueType::Uint1]);
107		let mut row = shape.allocate();
108
109		shape.set_u8(&mut row, 0, 200u8);
110		shape.set_bool(&mut row, 1, true);
111		shape.set_u8(&mut row, 2, 100u8);
112
113		assert_eq!(shape.get_u8(&row, 0), 200u8);
114		assert_eq!(shape.get_bool(&row, 1), true);
115		assert_eq!(shape.get_u8(&row, 2), 100u8);
116	}
117
118	#[test]
119	fn test_undefined_handling() {
120		let shape = RowShape::testing(&[ValueType::Uint1, ValueType::Uint1]);
121		let mut row = shape.allocate();
122
123		shape.set_u8(&mut row, 0, 42);
124
125		assert_eq!(shape.try_get_u8(&row, 0), Some(42));
126		assert_eq!(shape.try_get_u8(&row, 1), None);
127
128		shape.set_none(&mut row, 0);
129		assert_eq!(shape.try_get_u8(&row, 0), None);
130	}
131
132	#[test]
133	fn test_try_get_u8_wrong_type() {
134		let shape = RowShape::testing(&[ValueType::Boolean]);
135		let mut row = shape.allocate();
136
137		shape.set_bool(&mut row, 0, true);
138
139		assert_eq!(shape.try_get_u8(&row, 0), None);
140	}
141}
reifydb_codec/encoded/u8.rs

reifydb_codec/encoded/
u8.rs
