28 lines
973 B
Rust
28 lines
973 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-test
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// error-pattern:index out of bounds
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fn main() {
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let x = ~[1u,2u,3u];
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// This should cause a bounds-check failure, but may not if we do our
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// bounds checking by comparing a scaled index value to the vector's
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// length (in bytes), because the scaling of the index will cause it to
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// wrap around to a small number.
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let idx = uint::max_value & !(uint::max_value >> 1u);
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error!("ov2 idx = 0x%x", idx);
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// This should fail.
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error!("ov2 0x%x", x[idx]);
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}
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