reifydb_core/value/encoded/
u8.rs

1// Copyright (c) reifydb.com 2025
2// This file is licensed under the AGPL-3.0-or-later, see license.md file
3
4use reifydb_type::Type;
5
6use crate::value::encoded::{EncodedValues, EncodedValuesLayout};
7
8impl EncodedValuesLayout {
9	pub fn set_u8(&self, row: &mut EncodedValues, index: usize, value: impl Into<u8>) {
10		let field = &self.fields[index];
11		debug_assert!(row.len() >= self.total_static_size());
12		debug_assert_eq!(field.r#type, Type::Uint1);
13		row.set_valid(index, true);
14		unsafe {
15			row.make_mut().as_mut_ptr().add(field.offset).write_unaligned(value.into());
16		}
17	}
18
19	pub fn get_u8(&self, row: &EncodedValues, index: usize) -> u8 {
20		let field = &self.fields[index];
21		debug_assert!(row.len() >= self.total_static_size());
22		debug_assert_eq!(field.r#type, Type::Uint1);
23		unsafe { row.as_ptr().add(field.offset).read_unaligned() }
24	}
25
26	pub fn try_get_u8(&self, row: &EncodedValues, index: usize) -> Option<u8> {
27		if row.is_defined(index) && self.fields[index].r#type == Type::Uint1 {
28			Some(self.get_u8(row, index))
29		} else {
30			None
31		}
32	}
33}
34
35#[cfg(test)]
36mod tests {
37	use reifydb_type::Type;
38
39	use crate::value::encoded::EncodedValuesLayout;
40
41	#[test]
42	fn test_set_get_u8() {
43		let layout = EncodedValuesLayout::new(&[Type::Uint1]);
44		let mut row = layout.allocate();
45		layout.set_u8(&mut row, 0, 255u8);
46		assert_eq!(layout.get_u8(&row, 0), 255u8);
47	}
48
49	#[test]
50	fn test_try_get_u8() {
51		let layout = EncodedValuesLayout::new(&[Type::Uint1]);
52		let mut row = layout.allocate();
53
54		assert_eq!(layout.try_get_u8(&row, 0), None);
55
56		layout.set_u8(&mut row, 0, 255u8);
57		assert_eq!(layout.try_get_u8(&row, 0), Some(255u8));
58	}
59
60	#[test]
61	fn test_extremes() {
62		let layout = EncodedValuesLayout::new(&[Type::Uint1]);
63		let mut row = layout.allocate();
64
65		layout.set_u8(&mut row, 0, u8::MAX);
66		assert_eq!(layout.get_u8(&row, 0), u8::MAX);
67
68		let mut row2 = layout.allocate();
69		layout.set_u8(&mut row2, 0, u8::MIN);
70		assert_eq!(layout.get_u8(&row2, 0), u8::MIN);
71
72		let mut row3 = layout.allocate();
73		layout.set_u8(&mut row3, 0, 0u8);
74		assert_eq!(layout.get_u8(&row3, 0), 0u8);
75	}
76
77	#[test]
78	fn test_various_values() {
79		let layout = EncodedValuesLayout::new(&[Type::Uint1]);
80
81		let test_values = [0u8, 1u8, 127u8, 128u8, 254u8, 255u8];
82
83		for value in test_values {
84			let mut row = layout.allocate();
85			layout.set_u8(&mut row, 0, value);
86			assert_eq!(layout.get_u8(&row, 0), value);
87		}
88	}
89
90	#[test]
91	fn test_mixed_with_other_types() {
92		let layout = EncodedValuesLayout::new(&[Type::Uint1, Type::Boolean, Type::Uint1]);
93		let mut row = layout.allocate();
94
95		layout.set_u8(&mut row, 0, 200u8);
96		layout.set_bool(&mut row, 1, true);
97		layout.set_u8(&mut row, 2, 100u8);
98
99		assert_eq!(layout.get_u8(&row, 0), 200u8);
100		assert_eq!(layout.get_bool(&row, 1), true);
101		assert_eq!(layout.get_u8(&row, 2), 100u8);
102	}
103
104	#[test]
105	fn test_undefined_handling() {
106		let layout = EncodedValuesLayout::new(&[Type::Uint1, Type::Uint1]);
107		let mut row = layout.allocate();
108
109		layout.set_u8(&mut row, 0, 42);
110
111		assert_eq!(layout.try_get_u8(&row, 0), Some(42));
112		assert_eq!(layout.try_get_u8(&row, 1), None);
113
114		layout.set_undefined(&mut row, 0);
115		assert_eq!(layout.try_get_u8(&row, 0), None);
116	}
117
118	#[test]
119	fn test_try_get_u8_wrong_type() {
120		let layout = EncodedValuesLayout::new(&[Type::Boolean]);
121		let mut row = layout.allocate();
122
123		layout.set_bool(&mut row, 0, true);
124
125		assert_eq!(layout.try_get_u8(&row, 0), None);
126	}
127}
reifydb_core/value/encoded/u8.rs

reifydb_core/value/encoded/
u8.rs
