summaryrefslogtreecommitdiffstats
path: root/src/tools/clippy/tests/ui/checked_conversions.fixed
blob: e279ba3147bba3420159b3cccb6a0bc5181efda0 (plain)
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
// run-rustfix

#![allow(
    clippy::cast_lossless,
    unused,
    // Int::max_value will be deprecated in the future
    deprecated,
)]
#![warn(clippy::checked_conversions)]

// Positive tests

// Signed to unsigned

pub fn i64_to_u32(value: i64) {
    let _ = u32::try_from(value).is_ok();
    let _ = u32::try_from(value).is_ok();
}

pub fn i64_to_u16(value: i64) {
    let _ = u16::try_from(value).is_ok();
    let _ = u16::try_from(value).is_ok();
}

pub fn isize_to_u8(value: isize) {
    let _ = u8::try_from(value).is_ok();
    let _ = u8::try_from(value).is_ok();
}

// Signed to signed

pub fn i64_to_i32(value: i64) {
    let _ = i32::try_from(value).is_ok();
    let _ = i32::try_from(value).is_ok();
}

pub fn i64_to_i16(value: i64) {
    let _ = i16::try_from(value).is_ok();
    let _ = i16::try_from(value).is_ok();
}

// Unsigned to X

pub fn u32_to_i32(value: u32) {
    let _ = i32::try_from(value).is_ok();
    let _ = i32::try_from(value).is_ok();
}

pub fn usize_to_isize(value: usize) {
    let _ = isize::try_from(value).is_ok() && value as i32 == 5;
    let _ = isize::try_from(value).is_ok() && value as i32 == 5;
}

pub fn u32_to_u16(value: u32) {
    let _ = u16::try_from(value).is_ok() && value as i32 == 5;
    let _ = u16::try_from(value).is_ok() && value as i32 == 5;
}

// Negative tests

pub fn no_i64_to_i32(value: i64) {
    let _ = value <= (i32::max_value() as i64) && value >= 0;
    let _ = value <= (i32::MAX as i64) && value >= 0;
}

pub fn no_isize_to_u8(value: isize) {
    let _ = value <= (u8::max_value() as isize) && value >= (u8::min_value() as isize);
    let _ = value <= (u8::MAX as isize) && value >= (u8::MIN as isize);
}

pub fn i8_to_u8(value: i8) {
    let _ = value >= 0;
}

// Do not lint
pub const fn issue_8898(i: u32) -> bool {
    i <= i32::MAX as u32
}

#[clippy::msrv = "1.33"]
fn msrv_1_33() {
    let value: i64 = 33;
    let _ = value <= (u32::MAX as i64) && value >= 0;
}

#[clippy::msrv = "1.34"]
fn msrv_1_34() {
    let value: i64 = 34;
    let _ = u32::try_from(value).is_ok();
}

fn main() {}