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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../assert/mod.ts";import { parse } from "./parse.ts";import { compare } from "./compare.ts";
Deno.test("compare() ignores build metadata", async (t) => {  // v+b > v  const steps: [string, string, number][] = [    ["1.0.0", "1.0.0+0", 0],    ["1.0.0+0", "1.0.0+0", 0],    ["1.0.0+0", "1.0.0", 0],    ["1.0.0+0", "1.0.0+0.0", 0],    ["1.0.0+0.0", "1.0.0+0.0", 0],    ["1.0.0+0.0", "1.0.0+0", 0],    ["1.0.0+0", "1.0.0+1", 0],    ["1.0.0+0", "1.0.0+0", 0],    ["1.0.0+1", "1.0.0+0", 0],    ["1.0.0+0001", "1.0.0+2", 0],  ];  for (const [v0, v1, expected] of steps) {    await t.step(`${v0} and ${v1}`, () => {      const s0 = parse(v0);      const s1 = parse(v1);      const actual = compare(s0, s1);      assertEquals(actual, expected);    });  }});
Deno.test({  name: "compare() handles prerelease",  fn: async (t) => {    const cases: [string, string, number][] = [      ["1.2.3", "1.2.3", 0],      ["1.2.3", "2.3.4", -1],      ["1.2.3", "0.1.2", 1],      ["1.2.3", "1.2.2", 1],      ["1.2.3", "1.2.3-pre", 1],      ["1.2.3-alpha.0.pr.1", "1.2.3-alpha.0.pr.1", 0],      ["1.2.3-alpha.0.pr.1", "9.9.9-alpha.0.pr.1", -1],      ["1.2.3-alpha.0.pr.1", "1.2.3", -1],      ["1.2.3-alpha.0.pr.1", "1.2.3-alpha.0.pr.2", -1],      ["1.2.3-alpha.0.pr.1", "1.2.3-alpha.0.2", 1],      ["1.2.3-alpha.0.pr.1", "1.2.3-alpha.pr.0", -1],      ["1.2.3-alpha.0.pr.1", "1.2.3-beta.0.pr.1", -1],    ];    for (const [v0, v1, expected] of cases) {      const s0 = parse(v0);      const s1 = parse(v1);      await t.step(`${v0} and ${v1}`, () => {        const actual = compare(s0, s1);        assertEquals(actual, expected);      });    }  },});