rust-clippy/tests/compile-fail/identity_op.rs
Georg Brandl 7aee04878f tests: use fragment of lint text for error checking
(Did not touch strings.rs, which is fixed by @llogiq's PR)
2015-08-13 08:12:07 +02:00

24 lines
723 B
Rust
Executable file

#![feature(plugin)]
#![plugin(clippy)]
const ONE : i64 = 1;
const NEG_ONE : i64 = -1;
const ZERO : i64 = 0;
#[deny(identity_op)]
fn main() {
let x = 0;
x + 0; //~ERROR the operation is ineffective
0 + x; //~ERROR the operation is ineffective
x - ZERO; //~ERROR the operation is ineffective
x | (0); //~ERROR the operation is ineffective
((ZERO)) | x; //~ERROR the operation is ineffective
x * 1; //~ERROR the operation is ineffective
1 * x; //~ERROR the operation is ineffective
x / ONE; //~ERROR the operation is ineffective
x & NEG_ONE; //~ERROR the operation is ineffective
-1 & x; //~ERROR the operation is ineffective
}