rust/src/test/run-pass/vec-self-append.rs
2011-06-27 12:34:45 -07:00

20 lines
349 B
Rust

// xfail-stage0
use std;
import std::vec;
fn main()
{
// Make sure we properly handle repeated self-appends.
let vec[int] a = [0];
auto i = 20;
auto expected_len = 1u;
while (i > 0) {
log_err vec::len(a);
assert (vec::len(a) == expected_len);
a += a;
i -= 1;
expected_len *= 2u;
}
}