123456789101112131415161718192021222324252627282930313233
// Copyright Isaac Z. Schlueter and Contributors. All rights reserved. ISC license.// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../assert/mod.ts";import { parse } from "./parse.ts";import type { ReleaseType } from "./types.ts";import { difference } from "./difference.ts";
Deno.test("difference()", async (t) => {  const versions: [string, string, ReleaseType | undefined][] = [    ["1.2.3", "0.2.3", "major"],    ["1.4.5", "0.2.3", "major"],    ["1.2.3", "2.0.0-pre", "premajor"],    ["1.2.3", "1.3.3", "minor"],    ["1.0.1", "1.1.0-pre", "preminor"],    ["1.2.3", "1.2.4", "patch"],    ["1.2.3", "1.2.4-pre", "prepatch"],    ["0.0.1", "0.0.1-pre", "prerelease"],    ["0.0.1", "0.0.1-pre-2", "prerelease"],    ["1.1.0", "1.1.0-pre", "prerelease"],    ["1.1.0-pre-1", "1.1.0-pre-2", "prerelease"],    ["1.0.0", "1.0.0", undefined],  ];
  for (const [v0, v1, expected] of versions) {    await t.step(`${v0} ≏ ${v1}`, () => {      const s0 = parse(v0);      const s1 = parse(v1);      const actual = difference(s0, s1);      assertEquals(actual, expected);    });  }});