rust-clippy/tests/ui/checked_conversions.fixed

91 lines
2 KiB
Rust

#![allow(
clippy::cast_lossless,
clippy::legacy_numeric_constants,
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() {}