reifydb_core/value/encoded/
u8.rs1use 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) {
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}