rust/tests/compile-fail/array_indexing.rs

42 lines
1.1 KiB
Rust

#![feature(inclusive_range_syntax, plugin)]
#![plugin(clippy)]
#![deny(indexing_slicing)]
#![deny(out_of_bounds_indexing)]
#![allow(no_effect, unnecessary_operation)]
fn main() {
let x = [1,2,3,4];
x[0];
x[3];
x[4]; //~ERROR: const index is out of bounds
x[1 << 3]; //~ERROR: const index is out of bounds
&x[1..5]; //~ERROR: range is out of bounds
&x[0..3];
&x[0...4]; //~ERROR: range is out of bounds
&x[..];
&x[1..];
&x[4..];
&x[5..]; //~ERROR: range is out of bounds
&x[..4];
&x[..5]; //~ERROR: range is out of bounds
let y = &x;
y[0]; //~ERROR: indexing may panic
&y[1..2]; //~ERROR: slicing may panic
&y[..];
&y[0...4]; //~ERROR: slicing may panic
let empty: [i8; 0] = [];
empty[0]; //~ERROR: const index is out of bounds
&empty[1..5]; //~ERROR: range is out of bounds
&empty[0...4]; //~ERROR: range is out of bounds
&empty[..];
&empty[0..];
&empty[0..0];
&empty[0...0]; //~ERROR: range is out of bounds
&empty[..0];
&empty[1..]; //~ERROR: range is out of bounds
&empty[..4]; //~ERROR: range is out of bounds
}