rust/src/test/run-fail/hashmap-capacity-overflow.rs

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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// error-pattern:capacity overflow
use std::collections::hashmap::HashMap;
use std::uint;
use std::mem::size_of;
fn main() {
let threshold = uint::MAX / size_of::<(u64, u64, u64)>();
let mut h = HashMap::<u64, u64>::with_capacity(threshold + 100);
h.insert(0, 0);
}