deno/std/flags/num_test.ts

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../testing/asserts.ts";
import { parse } from "./mod.ts";

Deno.test(function nums(): void {
  const argv = parse([
    "-x",
    "1234",
    "-y",
    "5.67",
    "-z",
    "1e7",
    "-w",
    "10f",
    "--hex",
    "0xdeadbeef",
    "789"
  ]);
  assertEquals(argv, {
    x: 1234,
    y: 5.67,
    z: 1e7,
    w: "10f",
    hex: 0xdeadbeef,
    _: [789]
  });
  assertEquals(typeof argv.x, "number");
  assertEquals(typeof argv.y, "number");
  assertEquals(typeof argv.z, "number");
  assertEquals(typeof argv.w, "string");
  assertEquals(typeof argv.hex, "number");
  assertEquals(typeof argv._[0], "number");
});

Deno.test(function alreadyNumber(): void {
  const argv = parse(["-x", "1234", "789"]);
  assertEquals(argv, { x: 1234, _: [789] });
  assertEquals(typeof argv.x, "number");
  assertEquals(typeof argv._[0], "number");
});