rust/src/test/run-pass/vec-self-append.rs
2011-07-27 15:54:33 +02:00

18 lines
345 B
Rust

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