80 lines
1.7 KiB
Rust
80 lines
1.7 KiB
Rust
#![warn(clippy::manual_div_ceil)]
|
|
|
|
fn main() {
|
|
let x = 7_u32;
|
|
let y = 4_u32;
|
|
let z = 11_u32;
|
|
|
|
// Lint
|
|
let _ = (x + (y - 1)) / y;
|
|
//~^ manual_div_ceil
|
|
let _ = ((y - 1) + x) / y;
|
|
//~^ manual_div_ceil
|
|
let _ = (x + y - 1) / y;
|
|
//~^ manual_div_ceil
|
|
|
|
let _ = (7_u32 + (4 - 1)) / 4;
|
|
//~^ manual_div_ceil
|
|
let _ = (7_i32 as u32 + (4 - 1)) / 4;
|
|
//~^ manual_div_ceil
|
|
|
|
// No lint
|
|
let _ = (x + (y - 2)) / y;
|
|
let _ = (x + (y + 1)) / y;
|
|
|
|
let _ = (x + (y - 1)) / z;
|
|
|
|
let x_i = 7_i32;
|
|
let y_i = 4_i32;
|
|
let z_i = 11_i32;
|
|
|
|
// No lint because `int_roundings` feature is not enabled.
|
|
let _ = (z as i32 + (y_i - 1)) / y_i;
|
|
let _ = (7_u32 as i32 + (y_i - 1)) / y_i;
|
|
let _ = (7_u32 as i32 + (4 - 1)) / 4;
|
|
}
|
|
|
|
fn issue_13843() {
|
|
let x = 3usize;
|
|
let _ = (2048 + x - 1) / x;
|
|
//~^ manual_div_ceil
|
|
|
|
let x = 5usize;
|
|
let _ = (2048usize + x - 1) / x;
|
|
//~^ manual_div_ceil
|
|
|
|
let x = 5usize;
|
|
let _ = (2048_usize + x - 1) / x;
|
|
//~^ manual_div_ceil
|
|
|
|
let x = 2048usize;
|
|
let _ = (x + 4 - 1) / 4;
|
|
//~^ manual_div_ceil
|
|
|
|
let _: u32 = (2048 + 6 - 1) / 6;
|
|
//~^ manual_div_ceil
|
|
let _: usize = (2048 + 6 - 1) / 6;
|
|
//~^ manual_div_ceil
|
|
let _: u32 = (0x2048 + 0x6 - 1) / 0x6;
|
|
//~^ manual_div_ceil
|
|
|
|
let _ = (2048 + 6u32 - 1) / 6u32;
|
|
//~^ manual_div_ceil
|
|
|
|
let _ = (1_000_000 + 6u32 - 1) / 6u32;
|
|
//~^ manual_div_ceil
|
|
}
|
|
|
|
fn issue_13950() {
|
|
let x = 33u32;
|
|
let _ = (x + 7) / 8;
|
|
//~^ manual_div_ceil
|
|
let _ = (7 + x) / 8;
|
|
//~^ manual_div_ceil
|
|
|
|
let y = -33i32;
|
|
let _ = (y + -8) / -7;
|
|
let _ = (-8 + y) / -7;
|
|
let _ = (y - 8) / -7;
|
|
}
|