New upstream version 1.63.0+dfsg1

[rustc.git] / src / tools / clippy / tests / ui / checked_conversions.fixed

// run-rustfix

#![allow(
    clippy::cast_lossless,
    // 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
}

fn main() {}