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// Copyright Isaac Z. Schlueter and Contributors. All rights reserved. ISC license.// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../testing/asserts.ts";import * as semver from "./mod.ts";
Deno.test("diff", function () {  //  [version1, version2, result]  //  difference(version1, version2) -> result  const versions: [string, string, semver.ReleaseType | null][] = [    ["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", null],  ];
  versions.forEach(function (v) {    const version1 = v[0];    const version2 = v[1];    const wanted = v[2];    const found = semver.difference(version1, version2);    const cmd = "difference(" + version1 + ", " + version2 + ")";    assertEquals(found, wanted, cmd + " === " + wanted);  });});