src/test/run-fail/vec-underrun.rs

   1 // -*- rust -*-
   2 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   3 // file at the top-level directory of this distribution and at
   4 // http://rust-lang.org/COPYRIGHT.
   5 //
   6 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   7 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   8 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   9 // option. This file may not be copied, modified, or distributed
  10 // except according to those terms.
  11
  12
  13 // error-pattern:index out of bounds: the len is 2 but the index is -1
  14 fn main() {
  15     let v: ~[int] = ~[10, 20];
  16     let x: int = 0;
  17     assert!((v[x] == 10));
  18     // Bounds-check failure.
  19
  20     assert!((v[x - 1] == 20));
  21 }