File: midpoint.rs

package info (click to toggle)
rustc-web 1.85.0%2Bdfsg3-1~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,759,988 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,056; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (54 lines) | stat: -rw-r--r-- 1,248 bytes parent folder | download | duplicates (4)
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
//! Test the following expectations:
//!  - midpoint(a, b) == (a + b) / 2
//!  - midpoint(a, b) == midpoint(b, a)
//!  - midpoint(-a, -b) == -midpoint(a, b)

#[test]
#[cfg(not(miri))]
fn midpoint_obvious_impl_i8() {
    for a in i8::MIN..=i8::MAX {
        for b in i8::MIN..=i8::MAX {
            assert_eq!(i8::midpoint(a, b), ((a as i16 + b as i16) / 2) as i8);
        }
    }
}

#[test]
#[cfg(not(miri))]
fn midpoint_obvious_impl_u8() {
    for a in u8::MIN..=u8::MAX {
        for b in u8::MIN..=u8::MAX {
            assert_eq!(u8::midpoint(a, b), ((a as u16 + b as u16) / 2) as u8);
        }
    }
}

#[test]
#[cfg(not(miri))]
fn midpoint_order_expectation_i8() {
    for a in i8::MIN..=i8::MAX {
        for b in i8::MIN..=i8::MAX {
            assert_eq!(i8::midpoint(a, b), i8::midpoint(b, a));
        }
    }
}

#[test]
#[cfg(not(miri))]
fn midpoint_order_expectation_u8() {
    for a in u8::MIN..=u8::MAX {
        for b in u8::MIN..=u8::MAX {
            assert_eq!(u8::midpoint(a, b), u8::midpoint(b, a));
        }
    }
}

#[test]
#[cfg(not(miri))]
fn midpoint_negative_expectation() {
    for a in 0..=i8::MAX {
        for b in 0..=i8::MAX {
            assert_eq!(i8::midpoint(-a, -b), -i8::midpoint(a, b));
        }
    }
}