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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertThrows } from "../assert/mod.ts";import { parse } from "./parse.ts";
Deno.test("parse() handles major", async (t) => {  // [range, version]  // Version should be detectable despite extra characters  const versions: [string, number][] = [    ["1.2.3", 1],    [" 1.2.3 ", 1],    [" 2.2.3-4 ", 2],    [" 3.2.3-pre ", 3],    ["v5.2.3", 5],    [" v8.2.3 ", 8],    ["\t13.2.3", 13],  ];
  for (const [v, expected] of versions) {    await t.step(v, () => {      const version = parse(v);      assertEquals(version.major, expected);    });  }});
Deno.test("parse() handles minor", async (t) => {  // [range, version]  // Version should be detectable despite extra characters  const versions: [string, number][] = [    ["1.1.3", 1],    [" 1.1.3 ", 1],    [" 1.2.3-4 ", 2],    [" 1.3.3-pre ", 3],    ["v1.5.3", 5],    [" v1.8.3 ", 8],    ["\t1.13.3", 13],  ];
  for (const [v, expected] of versions) {    await t.step(v, () => {      const version = parse(v);      assertEquals(version.minor, expected);    });  }});
Deno.test("parse() handles patch", async (t) => {  // [range, version]  // Version should be detectable despite extra characters  const versions: [string, number][] = [    ["1.2.1", 1],    [" 1.2.1 ", 1],    [" 1.2.2-4 ", 2],    [" 1.2.3-pre ", 3],    ["v1.2.5", 5],    [" v1.2.8 ", 8],    ["\t1.2.13", 13],  ];  for (const [v, expected] of versions) {    await t.step(v, () => {      const semver = parse(v);      const actual = semver.patch;      assertEquals(actual, expected);    });  }});
Deno.test("parse() handles prerelease", async (t) => {  // [prereleaseParts, version]  const versions: [string, (string | number)[]][] = [    ["1.2.2-alpha.1", ["alpha", 1]],    ["0.6.1-1", [1]],    ["1.0.0-beta.2", ["beta", 2]],    ["v0.5.4-pre", ["pre"]],    ["1.2.2-alpha.1", ["alpha", 1]],    ["1.2.0-1b3-4", ["1b3-4"]],    ["1.2.0-3.6-pre2", [3, "6-pre2"]],    ["2.0.0", []],  ];
  for (const [v, expected] of versions) {    await t.step(`${v} : ${JSON.stringify(expected)}`, () => {      const semver = parse(v);      assertEquals(        semver.prerelease,        expected,      );    });  }});
Deno.test({  name: "parse() throws on bad versions",  fn: async (t) => {    const versions: [unknown][] = [      ["1.2." + new Array(256).join("1")], // too long      ["1.2." + new Array(100).join("1")], // too big      [null],      [undefined],      [{}],      [[]],      [false],      [true],      [0],      [""],      ["not a version"],      ["∞.∞.∞"],      ["NaN.NaN.NaN"],    ];    for (const [v] of versions) {      await t.step(`${JSON.stringify(v)}`, () => {        assertThrows(() => parse(v as string));      });    }  },});
Deno.test("parse() throws on invalid versions", async (t) => {  const versions = ["1.2.3.4", "NOT VALID", 1.2, null, "Infinity.NaN.Infinity"];
  for (const v of versions) {    await t.step(`invalid ${v}`, () => {      assertThrows(        function () {          parse(v as string);        },        TypeError,      );    });  }});
Deno.test("parse() handles big numeric prerelease", function () {  const r = parse(`1.2.3-beta.${Number.MAX_SAFE_INTEGER}0`);  assertEquals(r.prerelease, ["beta", "90071992547409910"]);});