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std/datetime/test.ts

Deno standard library
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals, assertThrows } from "../testing/asserts.ts";import * as datetime from "./mod.ts";
Deno.test({  name: "[std/datetime] parseDate",  fn: () => {    assertEquals(      datetime.parseDateTime("01-03-2019 16:30", "mm-dd-yyyy hh:mm"),      new Date(2019, 0, 3, 16, 30),    );    assertEquals(      datetime.parseDateTime("03-01-2019 16:31", "dd-mm-yyyy hh:mm"),      new Date(2019, 0, 3, 16, 31),    );    assertEquals(      datetime.parseDateTime("2019-01-03 16:32", "yyyy-mm-dd hh:mm"),      new Date(2019, 0, 3, 16, 32),    );    assertEquals(      datetime.parseDateTime("16:33 01-03-2019", "hh:mm mm-dd-yyyy"),      new Date(2019, 0, 3, 16, 33),    );    assertEquals(      datetime.parseDateTime("16:34 03-01-2019", "hh:mm dd-mm-yyyy"),      new Date(2019, 0, 3, 16, 34),    );    assertEquals(      datetime.parseDateTime("16:35 2019-01-03", "hh:mm yyyy-mm-dd"),      new Date(2019, 0, 3, 16, 35),    );  },});
Deno.test({  name: "[std/datetime] invalidParseDateTimeFormatThrows",  fn: () => {    assertThrows(      (): void => {        // eslint-disable-next-line @typescript-eslint/no-explicit-any        (datetime as any).parseDateTime("2019-01-01 00:00", "x-y-z");      },      Error,      "Invalid datetime format!",    );  },});
Deno.test({  name: "[std/datetime] parseDate",  fn: () => {    assertEquals(      datetime.parseDate("01-03-2019", "mm-dd-yyyy"),      new Date(2019, 0, 3),    );    assertEquals(      datetime.parseDate("03-01-2019", "dd-mm-yyyy"),      new Date(2019, 0, 3),    );    assertEquals(      datetime.parseDate("2019-01-03", "yyyy-mm-dd"),      new Date(2019, 0, 3),    );  },});
Deno.test({  name: "[std/datetime] invalidParseDateFormatThrows",  fn: () => {    assertThrows(      (): void => {        // eslint-disable-next-line @typescript-eslint/no-explicit-any        (datetime as any).parseDate("2019-01-01", "x-y-z");      },      Error,      "Invalid date format!",    );  },});
Deno.test({  name: "[std/datetime] dayOfYear",  fn: () => {    assertEquals(datetime.dayOfYear(new Date("2019-01-01T03:24:00")), 1);    assertEquals(datetime.dayOfYear(new Date("2019-03-11T03:24:00")), 70);    assertEquals(datetime.dayOfYear(new Date("2019-12-31T03:24:00")), 365);  },});
Deno.test({  name: "[std/datetime] currentDayOfYear",  fn: () => {    assertEquals(datetime.dayOfYear(new Date()), datetime.currentDayOfYear());  },});
Deno.test({  name: "[std/datetime] weekOfYear",  fn: () => {    assertEquals(datetime.weekOfYear(new Date("2020-01-05T03:24:00")), 1);    assertEquals(datetime.weekOfYear(new Date("2020-12-28T03:24:00")), 53); // 53 weeks in 2020    assertEquals(datetime.weekOfYear(new Date("2020-06-28T03:24:00")), 26);
    // iso weeks year starting sunday    assertEquals(datetime.weekOfYear(new Date(2012, 0, 1)), 52);    assertEquals(datetime.weekOfYear(new Date(2012, 0, 2)), 1);    assertEquals(datetime.weekOfYear(new Date(2012, 0, 8)), 1);    assertEquals(datetime.weekOfYear(new Date(2012, 0, 9)), 2);    assertEquals(datetime.weekOfYear(new Date(2012, 0, 15)), 2);
    // iso weeks year starting monday    assertEquals(datetime.weekOfYear(new Date(2007, 0, 1)), 1);    assertEquals(datetime.weekOfYear(new Date(2007, 0, 7)), 1);    assertEquals(datetime.weekOfYear(new Date(2007, 0, 8)), 2);    assertEquals(datetime.weekOfYear(new Date(2007, 0, 14)), 2);    assertEquals(datetime.weekOfYear(new Date(2007, 0, 15)), 3);
    // iso weeks year starting tuesday    assertEquals(datetime.weekOfYear(new Date(2007, 11, 31)), 1);    assertEquals(datetime.weekOfYear(new Date(2008, 0, 1)), 1);    assertEquals(datetime.weekOfYear(new Date(2008, 0, 6)), 1);    assertEquals(datetime.weekOfYear(new Date(2008, 0, 7)), 2);    assertEquals(datetime.weekOfYear(new Date(2008, 0, 13)), 2);    assertEquals(datetime.weekOfYear(new Date(2008, 0, 14)), 3);
    // iso weeks year starting wednesday    assertEquals(datetime.weekOfYear(new Date(2002, 11, 30)), 1);    assertEquals(datetime.weekOfYear(new Date(2003, 0, 1)), 1);    assertEquals(datetime.weekOfYear(new Date(2003, 0, 5)), 1);    assertEquals(datetime.weekOfYear(new Date(2003, 0, 6)), 2);    assertEquals(datetime.weekOfYear(new Date(2003, 0, 12)), 2);    assertEquals(datetime.weekOfYear(new Date(2003, 0, 13)), 3);
    // iso weeks year starting thursday    assertEquals(datetime.weekOfYear(new Date(2008, 11, 29)), 1);    assertEquals(datetime.weekOfYear(new Date(2009, 0, 1)), 1);    assertEquals(datetime.weekOfYear(new Date(2009, 0, 4)), 1);    assertEquals(datetime.weekOfYear(new Date(2009, 0, 5)), 2);    assertEquals(datetime.weekOfYear(new Date(2009, 0, 11)), 2);    assertEquals(datetime.weekOfYear(new Date(2009, 0, 13)), 3);
    // iso weeks year starting friday    assertEquals(datetime.weekOfYear(new Date(2009, 11, 28)), 53);    assertEquals(datetime.weekOfYear(new Date(2010, 0, 1)), 53);    assertEquals(datetime.weekOfYear(new Date(2010, 0, 3)), 53);    assertEquals(datetime.weekOfYear(new Date(2010, 0, 4)), 1);    assertEquals(datetime.weekOfYear(new Date(2010, 0, 10)), 1);    assertEquals(datetime.weekOfYear(new Date(2010, 0, 11)), 2);
    // iso weeks year starting saturday    assertEquals(datetime.weekOfYear(new Date(2010, 11, 27)), 52);    assertEquals(datetime.weekOfYear(new Date(2011, 0, 1)), 52);    assertEquals(datetime.weekOfYear(new Date(2011, 0, 2)), 52);    assertEquals(datetime.weekOfYear(new Date(2011, 0, 3)), 1);    assertEquals(datetime.weekOfYear(new Date(2011, 0, 9)), 1);    assertEquals(datetime.weekOfYear(new Date(2011, 0, 10)), 2);  },});
Deno.test({  name: "[std/datetime] to IMF",  fn(): void {    const actual = datetime.toIMF(new Date(Date.UTC(1994, 3, 5, 15, 32)));    const expected = "Tue, 05 Apr 1994 15:32:00 GMT";    assertEquals(actual, expected);  },});
Deno.test({  name: "[std/datetime] to IMF 0",  fn(): void {    const actual = datetime.toIMF(new Date(0));    const expected = "Thu, 01 Jan 1970 00:00:00 GMT";    assertEquals(actual, expected);  },});
Deno.test({  name: "[std/datetime] isLeap",  fn(): void {    assert(datetime.isLeap(1992));    assert(datetime.isLeap(2000));    assert(!datetime.isLeap(2003));    assert(!datetime.isLeap(2007));  },});
Deno.test({  name: "[std/datetime] Difference",  fn(): void {    const denoInit = new Date("2018/5/14");    const denoRelaseV1 = new Date("2020/5/13");    let difference = datetime.difference(denoRelaseV1, denoInit, {      units: ["days", "months", "years"],    });    assertEquals(difference.days, 730);    assertEquals(difference.months, 23);    assertEquals(difference.years, 1);
    const birth = new Date("1998/2/23 10:10:10");    const old = new Date("1998/2/23 11:11:11");    difference = datetime.difference(birth, old, {      units: ["miliseconds", "minutes", "seconds", "hours"],    });    assertEquals(difference.miliseconds, 3661000);    assertEquals(difference.seconds, 3661);    assertEquals(difference.minutes, 61);    assertEquals(difference.hours, 1);  },});