devela 0.28.0

A development substrate of coherence.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166

// devela::data::codec::bit::bin::set::tests

#![allow(unused)]

crate::set! {
    struct TestSet(u16) {
        A = 0; B = 1; C = 2; D = 3;
        AB = 0, 1;
        BC = 1..=2;
        AD = 0, 3;
        MIXED = 0, 3..=5, 7;
    }
}
#[test]
fn generated_bitsized_uses_highest_declared_bit_width() {
    use crate::BitSized;
    assert_eq!(TestSet::_MIXED_BITS, 5);
    assert_eq!(TestSet::new().bit_size(), 8);
}
#[test]
fn formatting_uses_declared_domain_width() {
    use crate::format_buf;
    let mut buf = [0u8; 32];
    let mixed = TestSet::MIXED;

    let debug = format_buf![&mut buf, "{:?}", mixed];
    assert_eq!(debug, Ok("TestSet(0b10111001)"));

    let display = format_buf![&mut buf, "{}", mixed];
    assert_eq!(display, Ok("0b10111001"));

    let binary = format_buf![&mut buf, "{:b}", mixed];
    assert_eq!(binary, Ok("10111001"));
    let binary_pretty = format_buf![&mut buf, "{:#b}", mixed];
    assert_eq!(binary_pretty, Ok("0b10111001"));

    let octal = format_buf![&mut buf, "{:o}", mixed];
    assert_eq!(octal, Ok("271"));
    let octal_pretty = format_buf![&mut buf, "{:#o}", mixed];
    assert_eq!(octal_pretty, Ok("0o271"));

    let lower_hex = format_buf![&mut buf, "{:x}", mixed];
    assert_eq!(lower_hex, Ok("b9"));
    let lower_hex_pretty = format_buf![&mut buf, "{:#x}", mixed];
    assert_eq!(lower_hex_pretty, Ok("0xb9"));
    let upper_hex = format_buf![&mut buf, "{:X}", mixed];
    assert_eq!(upper_hex, Ok("B9"));
    let upper_hex_pretty = format_buf![&mut buf, "{:#X}", mixed];
    assert_eq!(upper_hex_pretty, Ok("0xB9"));

    use crate::{DebugExt, ReprMode};
    let named = format_buf![&mut buf, "{:?}", TestSet::MIXED.debug_with(&ReprMode::Named)];
    assert_eq!(named, Ok("TestSet(A | D)"));
    let raw = format_buf![&mut buf, "{:?}", TestSet::MIXED.debug_with(&ReprMode::Raw)];
    assert_eq!(raw, Ok("TestSet(0b10111001)"));
    let raw_named = format_buf![&mut buf, "{:?}", TestSet::MIXED.debug_with(&ReprMode::RawNamed)];
    assert_eq!(raw_named, Ok("TestSet(0b10111001; A | D)"));
}
#[test]
fn constants_accept_bits_and_ranges() {
    assert_eq!(TestSet::A.bits(), 0b0000_0001);
    assert_eq!(TestSet::B.bits(), 0b0000_0010);
    assert_eq!(TestSet::AB.bits(), 0b0000_0011);
    assert_eq!(TestSet::BC.bits(), 0b0000_0110);
    assert_eq!(TestSet::AD.bits(), 0b0000_1001);
    assert_eq!(TestSet::MIXED.bits(), 0b1011_1001);
}
#[test]
fn mathematical_set_operations() {
    let a = TestSet::AB; // 0, 1
    let b = TestSet::BC; // 1, 2
    assert_eq!(a.union(b).bits(), 0b0000_0111);
    assert_eq!(a.intersection(b).bits(), 0b0000_0010);
    assert_eq!(a.difference(b).bits(), 0b0000_0001);
    assert_eq!(b.difference(a).bits(), 0b0000_0100);
    assert_eq!(a.symmetric_difference(b).bits(), 0b0000_0101);
    assert!(a.intersects(b));
    assert!(!TestSet::A.intersects(TestSet::C));
    assert!(TestSet::A.is_subset(a));
    assert!(a.is_superset(TestSet::A));
    assert!(a.contains(TestSet::A));
    assert!(!a.is_subset(TestSet::A));
    assert!(!TestSet::A.is_superset(a));
    assert!(!TestSet::A.contains(a));
}
#[test]
fn mutating_core_operations_match_set_operations() {
    let mut s = TestSet::A;
    s.insert(TestSet::C);
    assert_eq!(s.bits(), TestSet::A.union(TestSet::C).bits());
    s.toggle(TestSet::A);
    assert_eq!(s.bits(), TestSet::C.bits());
    s.remove(TestSet::C);
    assert!(s.is_empty());
}
#[test]
fn generic_convenience_methods_work() {
    let s = TestSet::new().with(TestSet::A).with_if(true, TestSet::C).with_if(false, TestSet::D);
    assert!(s.has(TestSet::A));
    assert!(s.contains(TestSet::C));
    assert!(!s.has(TestSet::D));
    assert_eq!(s.without(TestSet::A).bits(), TestSet::C.bits());
    assert_eq!(s.toggled(TestSet::C).bits(), TestSet::A.bits());
}
#[test]
fn per_constant_methods_work_for_single_bit_constants() {
    let mut s = TestSet::new();
    assert!(!s.has_a());
    assert!(!s.contains_a());
    assert!(!s.intersects_a());
    s.set_a();
    assert!(s.has_a());
    assert!(s.contains_a());
    assert!(s.intersects_a());
    s.set_b_if(true);
    s.set_c_if(false);
    assert!(s.has_b());
    assert!(!s.has_c());
    assert_eq!(s.without_a().bits(), TestSet::B.bits());
    s.unset_b();
    assert!(!s.is_empty());
    s.unset_a();
    assert!(s.is_empty());
}
#[test]
fn per_constant_methods_work_for_grouped_constants() {
    let s = TestSet::AB;
    assert!(s.contains_ab());
    assert!(s.intersects_ab());
    assert!(!TestSet::A.contains_ab());
    assert!(TestSet::A.intersects_ab());
    assert_eq!(TestSet::new().with_ab().bits(), TestSet::AB.bits());
    assert_eq!(TestSet::AB.without_b().bits(), TestSet::A.bits());
    let mut s = TestSet::new();
    s.set_mixed();
    assert!(s.contains_mixed());
    s.unset_ad();
    assert_eq!(s.bits(), TestSet::MIXED.without(TestSet::AD).bits());
}
#[test]
fn generated_metadata_counts_bits() {
    assert_eq!(TestSet::_A_BITS, 1);
    assert_eq!(TestSet::_B_BITS, 1);
    assert_eq!(TestSet::_AB_BITS, 2);
    assert_eq!(TestSet::_BC_BITS, 2);
    assert_eq!(TestSet::_AD_BITS, 2);
    assert_eq!(TestSet::_MIXED_BITS, 5);
}
#[test]
fn only_single_bit_constants_get_has_aliases() {
    let _ = TestSet::A.has_a();
    let _ = TestSet::B.has_b();
}

// The following tests intentionally should not compile
/**
```compile_fail
devela::set! { struct TestSet(u16) { A = 0; B = 1; C = 2; AB = 0, 1; BC = 1..=2; } }
let _ = TestSet::AB.has_ab();
```
```compile_fail
devela::set! { struct TestSet(u16) { A = 0; B = 1; C = 2; AB = 0, 1; BC = 1..=2; } }
let _ = TestSet::BC.has_bc();
```
**/
fn grouped_constants_do_not_have_has_aliases() {}