rust-clippy/tests/compile-fail/assign_ops2.rs
2016-07-20 15:29:24 +02:00

36 lines
1.3 KiB
Rust

#![feature(plugin)]
#![plugin(clippy)]
#[allow(unused_assignments)]
#[deny(misrefactored_assign_op)]
fn main() {
let mut a = 5;
a += a + 1; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a += 1
a += 1 + a; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a += 1
a -= a - 1; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a -= 1
a *= a * 99; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a *= 99
a *= 42 * a; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a *= 42
a /= a / 2; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a /= 2
a %= a % 5; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a %= 5
a &= a & 1; //~ ERROR variable appears on both sides of an assignment operation
//~^ HELP replace it with
//~| SUGGESTION a &= 1
a -= 1 - a;
a /= 5 / a;
a %= 42 % a;
a <<= 6 << a;
}