rust/src/test/stdtest/qsort.rs
2011-08-16 13:45:41 +02:00

67 lines
1.5 KiB
Rust

use std;
import std::sort;
import std::ivec;
import std::int;
fn check_sort(v1: &[mutable int], v2: &[mutable int]) {
let len = std::ivec::len[int](v1);
fn ltequal(a: &int, b: &int) -> bool { ret a <= b; }
let f = ltequal;
std::sort::quick_sort[int](f, v1);
let i = 0u;
while i < len { log v2.(i); assert (v2.(i) == v1.(i)); i += 1u; }
}
#[test]
fn test() {
{
let v1 = ~[mutable 3, 7, 4, 5, 2, 9, 5, 8];
let v2 = ~[mutable 2, 3, 4, 5, 5, 7, 8, 9];
check_sort(v1, v2);
}
{
let v1 = ~[mutable 1, 1, 1];
let v2 = ~[mutable 1, 1, 1];
check_sort(v1, v2);
}
{
let v1: [mutable int] = ~[mutable ];
let v2: [mutable int] = ~[mutable ];
check_sort(v1, v2);
}
{ let v1 = ~[mutable 9]; let v2 = ~[mutable 9]; check_sort(v1, v2); }
{
let v1 = ~[mutable 9, 3, 3, 3, 9];
let v2 = ~[mutable 3, 3, 3, 9, 9];
check_sort(v1, v2);
}
}
// Regression test for #705
#[test]
fn test_simple() {
let names = ~[mutable 2, 1, 3];
let expected = ~[1, 2, 3];
fn lteq(a: &int, b: &int) -> bool { int::le(a, b) }
sort::quick_sort(lteq, names);
let pairs = ivec::zip(expected, ivec::from_mut(names));
for (a, b) in pairs {
log #fmt("%d %d", a, b);
assert (a == b);
}
}
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
// End: