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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // error-pattern:index out of bounds | |
12 | ||
970d7e83 LB |
13 | use std::sys; |
14 | use std::vec; | |
15 | ||
223e47cc LB |
16 | fn main() { |
17 | ||
18 | // This should cause a bounds-check failure, but may not if we do our | |
19 | // bounds checking by comparing the scaled index to the vector's | |
20 | // address-bounds, since we've scaled the index to wrap around to the | |
21 | // address of the 0th cell in the array (even though the index is | |
22 | // huge). | |
23 | ||
24 | let x = ~[1u,2u,3u]; | |
25 | do vec::as_imm_buf(x) |p, _len| { | |
26 | let base = p as uint; | |
27 | let idx = base / sys::size_of::<uint>(); | |
28 | error!("ov1 base = 0x%x", base); | |
29 | error!("ov1 idx = 0x%x", idx); | |
30 | error!("ov1 sizeof::<uint>() = 0x%x", sys::size_of::<uint>()); | |
31 | error!("ov1 idx * sizeof::<uint>() = 0x%x", | |
32 | idx * sys::size_of::<uint>()); | |
33 | ||
34 | // This should fail. | |
35 | error!("ov1 0x%x", x[idx]); | |
36 | } | |
37 | } |