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#![warn(clippy::modulo_one)]
#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::identity_op)]
static STATIC_ONE: usize = 2 - 1;
static STATIC_NEG_ONE: i64 = 1 - 2;
fn main() {
10 % 1;
//~^ ERROR: any number modulo 1 will be 0
//~| NOTE: `-D clippy::modulo-one` implied by `-D warnings`
10 % -1;
//~^ ERROR: any number modulo -1 will panic/overflow or result in 0
10 % 2;
// also caught by rustc
i32::MIN % (-1);
//~^ ERROR: this operation will panic at runtime
//~| NOTE: `#[deny(unconditional_panic)]` on by default
//~| ERROR: any number modulo -1 will panic/overflow or result in 0
const ONE: u32 = 1 * 1;
const NEG_ONE: i64 = 1 - 2;
const INT_MIN: i64 = i64::MIN;
2 % ONE;
//~^ ERROR: any number modulo 1 will be 0
// NOT caught by lint
5 % STATIC_ONE;
2 % NEG_ONE;
//~^ ERROR: any number modulo -1 will panic/overflow or result in 0
// NOT caught by lint
5 % STATIC_NEG_ONE;
// also caught by rustc
INT_MIN % NEG_ONE;
//~^ ERROR: this operation will panic at runtime
//~| ERROR: any number modulo -1 will panic/overflow or result in 0
// ONLY caught by rustc
INT_MIN % STATIC_NEG_ONE;
//~^ ERROR: this operation will panic at runtime
}
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