use slice_diff_patch::*;

let a = vec!["one", "TWO", "three", "four"];
let b = vec!["zero", "one", "two", "four"];

let diff = diff_diff(&a, &b);
assert_eq!(
    diff,
    vec![
        Change::Insert((0, "zero")),
        Change::Remove(2),
        Change::Update((2, "two")),
    ],
);
assert_eq!(patch(&a, &diff), b);

let lcs = lcs_diff(&a, &b);
assert_eq!(
    lcs,
    vec![
        Change::Insert((0, "zero")),
        Change::Update((2, "two")),
        Change::Remove(3),
    ],
);
assert_eq!(patch(&a, &lcs), b);

let wu = wu_diff(&a, &b);
assert_eq!(
    wu,
    vec![
        Change::Insert((0, "zero")),
        Change::Remove(2),
        Change::Update((2, "two")),
    ],
);
assert_eq!(patch(&a, &wu), b);