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import core::*;
use std;
import std::list;
import std::list::head;
import std::list::tail;
import std::list::from_vec;
import option;
#[test]
fn test_from_vec() {
let l = from_vec([0, 1, 2]);
assert (head(l) == 0);
assert (head(tail(l)) == 1);
assert (head(tail(tail(l))) == 2);
}
#[test]
fn test_from_vec_mut() {
let l = from_vec([mutable 0, 1, 2]);
assert (head(l) == 0);
assert (head(tail(l)) == 1);
assert (head(tail(tail(l))) == 2);
}
#[test]
fn test_foldl() {
let l = from_vec([0, 1, 2, 3, 4]);
fn add(&&a: uint, &&b: int) -> uint { ret a + (b as uint); }
let rs = list::foldl(l, 0u, add);
assert (rs == 10u);
}
#[test]
fn test_foldl2() {
fn sub(&&a: int, &&b: int) -> int {
a - b
}
let l = from_vec([1, 2, 3, 4]);
let sum = list::foldl(l, 0, sub);
assert sum == -10;
}
#[test]
fn test_find_success() {
let l = from_vec([0, 1, 2]);
fn match(&&i: int) -> option::t<int> {
ret if i == 2 { option::some(i) } else { option::none::<int> };
}
let rs = list::find(l, match);
assert (rs == option::some(2));
}
#[test]
fn test_find_fail() {
let l = from_vec([0, 1, 2]);
fn match(&&_i: int) -> option::t<int> { ret option::none::<int>; }
let rs = list::find(l, match);
assert (rs == option::none::<int>);
}
#[test]
fn test_has() {
let l = from_vec([5, 8, 6]);
let empty = list::nil::<int>;
assert (list::has(l, 5));
assert (!list::has(l, 7));
assert (list::has(l, 8));
assert (!list::has(empty, 5));
}
#[test]
fn test_len() {
let l = from_vec([0, 1, 2]);
assert (list::len(l) == 3u);
}
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