rust/src/test/run-pass/lib-sort.rs

27 lines
755 B
Rust

use std;
fn check_sort(vec[int] v1, vec[int] v2) {
auto len = std::vec::len[int](v1);
fn lteq(&int a, &int b) -> bool { ret a <= b; }
auto f = lteq;
auto v3 = std::sort::merge_sort[int](f, v1);
auto i = 0u;
while (i < len) { log v3.(i); assert (v3.(i) == v2.(i)); i += 1u; }
}
fn main() {
{
auto v1 = [3, 7, 4, 5, 2, 9, 5, 8];
auto v2 = [2, 3, 4, 5, 5, 7, 8, 9];
check_sort(v1, v2);
}
{ auto v1 = [1, 1, 1]; auto v2 = [1, 1, 1]; check_sort(v1, v2); }
{ let vec[int] v1 = []; let vec[int] v2 = []; check_sort(v1, v2); }
{ auto v1 = [9]; auto v2 = [9]; check_sort(v1, v2); }
{
auto v1 = [9, 3, 3, 3, 9];
auto v2 = [3, 3, 3, 9, 9];
check_sort(v1, v2);
}
}