107 lines
1.8 KiB
Rust
107 lines
1.8 KiB
Rust
// run-rustfix
|
|
|
|
#![warn(clippy::checked_conversions)]
|
|
#![allow(clippy::cast_lossless)]
|
|
#![allow(dead_code)]
|
|
use std::convert::TryFrom;
|
|
|
|
// Positive tests
|
|
|
|
// Signed to unsigned
|
|
|
|
fn i64_to_u32(value: i64) -> Option<u32> {
|
|
if u32::try_from(value).is_ok() {
|
|
Some(value as u32)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn i64_to_u16(value: i64) -> Option<u16> {
|
|
if u16::try_from(value).is_ok() {
|
|
Some(value as u16)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn isize_to_u8(value: isize) -> Option<u8> {
|
|
if u8::try_from(value).is_ok() {
|
|
Some(value as u8)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
// Signed to signed
|
|
|
|
fn i64_to_i32(value: i64) -> Option<i32> {
|
|
if i32::try_from(value).is_ok() {
|
|
Some(value as i32)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn i64_to_i16(value: i64) -> Option<i16> {
|
|
if i16::try_from(value).is_ok() {
|
|
Some(value as i16)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
// Unsigned to X
|
|
|
|
fn u32_to_i32(value: u32) -> Option<i32> {
|
|
if i32::try_from(value).is_ok() {
|
|
Some(value as i32)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn usize_to_isize(value: usize) -> isize {
|
|
if isize::try_from(value).is_ok() && value as i32 == 5 {
|
|
5
|
|
} else {
|
|
1
|
|
}
|
|
}
|
|
|
|
fn u32_to_u16(value: u32) -> isize {
|
|
if u16::try_from(value).is_ok() && value as i32 == 5 {
|
|
5
|
|
} else {
|
|
1
|
|
}
|
|
}
|
|
|
|
// Negative tests
|
|
|
|
fn no_i64_to_i32(value: i64) -> Option<i32> {
|
|
if value <= (i32::max_value() as i64) && value >= 0 {
|
|
Some(value as i32)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn no_isize_to_u8(value: isize) -> Option<u8> {
|
|
if value <= (u8::max_value() as isize) && value >= (u8::min_value() as isize) {
|
|
Some(value as u8)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn i8_to_u8(value: i8) -> Option<u8> {
|
|
if value >= 0 {
|
|
Some(value as u8)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn main() {}
|