rust-clippy/tests/compile-fail/arithmetic.rs

30 lines
961 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#![deny(integer_arithmetic, float_arithmetic)]
#![allow(unused, shadow_reuse, shadow_unrelated, no_effect, unnecessary_operation)]
fn main() {
let i = 1i32;
1 + i; //~ERROR integer arithmetic detected
i * 2; //~ERROR integer arithmetic detected
1 % //~ERROR integer arithmetic detected
i / 2; // no error, this is part of the expression in the preceding line
i - 2 + 2 - i; //~ERROR integer arithmetic detected
-i; //~ERROR integer arithmetic detected
i & 1; // no wrapping
i | 1;
i ^ 1;
i >> 1;
i << 1;
let f = 1.0f32;
f * 2.0; //~ERROR floating-point arithmetic detected
1.0 + f; //~ERROR floating-point arithmetic detected
f * 2.0; //~ERROR floating-point arithmetic detected
f / 2.0; //~ERROR floating-point arithmetic detected
f - 2.0 * 4.2; //~ERROR floating-point arithmetic detected
-f; //~ERROR floating-point arithmetic detected
}