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std/datetime/day_of_year_test.ts

Deno standard library
denoland/deno_std
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../testing/asserts.ts";import { dayOfYear } from "./day_of_year.ts";
Deno.test({  name: "[std/datetime] dayOfYear",  fn: () => {    // from https://golang.org/src/time/time_test.go    // Test YearDay in several different scenarios    // and corner cases    // Non-leap-year tests    assertEquals(dayOfYear(new Date("2007-01-01T00:00:00.000Z")), 1);    assertEquals(dayOfYear(new Date("2007-01-15T00:00:00.000Z")), 15);    assertEquals(dayOfYear(new Date("2007-02-01T00:00:00.000Z")), 32);    assertEquals(dayOfYear(new Date("2007-02-15T00:00:00.000Z")), 46);    assertEquals(dayOfYear(new Date("2007-03-01T00:00:00.000Z")), 60);    assertEquals(dayOfYear(new Date("2007-03-15T00:00:00.000Z")), 74);    assertEquals(dayOfYear(new Date("2007-04-01T00:00:00.000Z")), 91);    assertEquals(dayOfYear(new Date("2007-12-31T00:00:00.000Z")), 365);
    assertEquals(dayOfYear(new Date("2007-01-01T00:00:00.000Z")), 1);    assertEquals(      dayOfYear(new Date("2007-02-01T00:00:00.000Z")),      31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-03-01T00:00:00.000Z")),      31 + 28 + 1,    );    assertEquals(      dayOfYear(new Date("2007-03-24T00:00:00.000Z")),      31 + 28 + 24,    );    assertEquals(      dayOfYear(new Date("2007-03-25T00:00:00.000Z")),      31 + 28 + 25,    );    assertEquals(      dayOfYear(new Date("2007-04-01T00:00:00.000Z")),      31 + 28 + 31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-05-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 1,    );    assertEquals(      dayOfYear(new Date("2007-06-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-07-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 1,    );    assertEquals(      dayOfYear(new Date("2007-08-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-09-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-10-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 1,    );    assertEquals(      dayOfYear(new Date("2007-10-27T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 27,    );    assertEquals(      dayOfYear(new Date("2007-10-28T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 28,    );    assertEquals(      dayOfYear(new Date("2007-11-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 1,    );    assertEquals(      dayOfYear(new Date("2007-12-01T00:00:00.000Z")),      31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 1,    );
    // Leap-year tests    assertEquals(dayOfYear(new Date("2008-01-01T00:00:00.000Z")), 1);    assertEquals(dayOfYear(new Date("2008-01-15T00:00:00.000Z")), 15);    assertEquals(dayOfYear(new Date("2008-02-01T00:00:00.000Z")), 32);    assertEquals(dayOfYear(new Date("2008-02-15T00:00:00.000Z")), 46);    assertEquals(dayOfYear(new Date("2008-03-01T00:00:00.000Z")), 61);    assertEquals(dayOfYear(new Date("2008-03-15T00:00:00.000Z")), 75);    assertEquals(dayOfYear(new Date("2008-04-01T00:00:00.000Z")), 92);    assertEquals(dayOfYear(new Date("2008-12-31T00:00:00.000Z")), 366);
    // Looks like leap-year (but isn't) tests    assertEquals(dayOfYear(new Date("1900-01-01T00:00:00.000Z")), 1);    assertEquals(dayOfYear(new Date("1900-01-15T00:00:00.000Z")), 15);    assertEquals(dayOfYear(new Date("1900-02-01T00:00:00.000Z")), 32);    assertEquals(dayOfYear(new Date("1900-02-15T00:00:00.000Z")), 46);    assertEquals(dayOfYear(new Date("1900-03-01T00:00:00.000Z")), 60);    assertEquals(dayOfYear(new Date("1900-03-15T00:00:00.000Z")), 74);    assertEquals(dayOfYear(new Date("1900-04-01T00:00:00.000Z")), 91);    assertEquals(dayOfYear(new Date("1900-12-31T00:00:00.000Z")), 365);
    // Year one tests (non-leap)    assertEquals(dayOfYear(new Date("0001-01-01T00:00:00.000Z")), 1);    assertEquals(dayOfYear(new Date("0001-01-15T00:00:00.000Z")), 15);    assertEquals(dayOfYear(new Date("0001-02-01T00:00:00.000Z")), 32);    assertEquals(dayOfYear(new Date("0001-02-15T00:00:00.000Z")), 46);    assertEquals(dayOfYear(new Date("0001-03-01T00:00:00.000Z")), 60);    assertEquals(dayOfYear(new Date("0001-03-15T00:00:00.000Z")), 74);    assertEquals(dayOfYear(new Date("0001-04-01T00:00:00.000Z")), 91);    assertEquals(dayOfYear(new Date("0001-12-31T00:00:00.000Z")), 365);
    // Year minus one tests (non-leap)    assertEquals(      dayOfYear(new Date("-000001-01-01T00:00:00.000Z")),      1,    );    assertEquals(      dayOfYear(new Date("-000001-01-15T00:00:00.000Z")),      15,    );    assertEquals(      dayOfYear(new Date("-000001-02-01T00:00:00.000Z")),      32,    );    assertEquals(      dayOfYear(new Date("-000001-02-15T00:00:00.000Z")),      46,    );    assertEquals(      dayOfYear(new Date("-000001-03-01T00:00:00.000Z")),      60,    );    assertEquals(      dayOfYear(new Date("-000001-03-15T00:00:00.000Z")),      74,    );    assertEquals(      dayOfYear(new Date("-000001-04-01T00:00:00.000Z")),      91,    );    assertEquals(      dayOfYear(new Date("-000001-12-31T00:00:00.000Z")),      365,    );
    // 400 BC tests (leap-year)    assertEquals(      dayOfYear(new Date("-000400-01-01T00:00:00.000Z")),      1,    );    assertEquals(      dayOfYear(new Date("-000400-01-15T00:00:00.000Z")),      15,    );    assertEquals(      dayOfYear(new Date("-000400-02-01T00:00:00.000Z")),      32,    );    assertEquals(      dayOfYear(new Date("-000400-02-15T00:00:00.000Z")),      46,    );    assertEquals(      dayOfYear(new Date("-000400-03-01T00:00:00.000Z")),      61,    );    assertEquals(      dayOfYear(new Date("-000400-03-15T00:00:00.000Z")),      75,    );    assertEquals(      dayOfYear(new Date("-000400-04-01T00:00:00.000Z")),      92,    );    assertEquals(      dayOfYear(new Date("-000400-12-31T00:00:00.000Z")),      366,    );
    // Special Cases
    // Gregorian calendar change (no effect)    assertEquals(dayOfYear(new Date("1582-10-04T03:24:00.000Z")), 277);    assertEquals(dayOfYear(new Date("1582-10-15T03:24:00.000Z")), 288);  },});