i18npool/qa/cppunit/test_calendar.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9 #include <calendar_hijri.hxx>
  10 #include <unotest/bootstrapfixturebase.hxx>
  11
  12 using namespace com::sun::star;
  13
  14 class TestCalendar : public test::BootstrapFixtureBase
  15 {
  16 public:
  17     void testHijriGregorian();
  18     void testGetGregorianJulianDay();
  19
  20     CPPUNIT_TEST_SUITE(TestCalendar);
  21     CPPUNIT_TEST(testHijriGregorian);
  22     CPPUNIT_TEST(testGetGregorianJulianDay);
  23     CPPUNIT_TEST_SUITE_END();
  24 };
  25
  26 void TestCalendar::testHijriGregorian()
  27 {
  28     // 21-7-1443 (Hijri) == 22-2-2022 (Gregorian)
  29     sal_Int32 day = 22, month = 2, year = 2022;
  30     i18npool::Calendar_hijri::getHijri(&day, &month, &year);
  31     CPPUNIT_ASSERT_EQUAL(sal_Int32(21), day);
  32     CPPUNIT_ASSERT_EQUAL(sal_Int32(7), month);
  33     CPPUNIT_ASSERT_EQUAL(sal_Int32(1443), year);
  34
  35     i18npool::Calendar_hijri::ToGregorian(&day, &month, &year);
  36     CPPUNIT_ASSERT_EQUAL(sal_Int32(22), day);
  37     CPPUNIT_ASSERT_EQUAL(sal_Int32(2), month);
  38     CPPUNIT_ASSERT_EQUAL(sal_Int32(2022), year);
  39
  40     // 1-1-1 (Hijri) == 15-7-622 (Gregorian)
  41     // NOTE: The calculated date is 15-7-622, as it was with the
  42     // previous version of i18npool::Calendar_hijri::ToGregorian()
  43     // but in some articles, 15-7-622 is considered the equivalent date
  44     // https://en.wikipedia.org/wiki/622
  45     // This article states that 15-7-622 is correct:
  46     // "On the Origins of the Hijrī Calendar: A Multi-Faceted Perspective
  47     // Based on the Covenants of the Prophet and Specific Date Verification"
  48     // https://www.mdpi.com/2077-1444/12/1/42/htm
  49     day = 15;
  50     month = 7;
  51     year = 622;
  52     i18npool::Calendar_hijri::getHijri(&day, &month, &year);
  53     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), day);
  54     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), month);
  55     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), year);
  56
  57     i18npool::Calendar_hijri::ToGregorian(&day, &month, &year);
  58     CPPUNIT_ASSERT_EQUAL(sal_Int32(15), day);
  59     CPPUNIT_ASSERT_EQUAL(sal_Int32(7), month);
  60     CPPUNIT_ASSERT_EQUAL(sal_Int32(622), year);
  61
  62     // 1-1-100 (Hijri) == 2-8-718 (Gregorian)
  63     // https://habibur.com/hijri/100/
  64     day = 2;
  65     month = 8;
  66     year = 718;
  67     i18npool::Calendar_hijri::getHijri(&day, &month, &year);
  68     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), day);
  69     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), month);
  70     CPPUNIT_ASSERT_EQUAL(sal_Int32(100), year);
  71
  72     i18npool::Calendar_hijri::ToGregorian(&day, &month, &year);
  73     CPPUNIT_ASSERT_EQUAL(sal_Int32(2), day);
  74     CPPUNIT_ASSERT_EQUAL(sal_Int32(8), month);
  75     CPPUNIT_ASSERT_EQUAL(sal_Int32(718), year);
  76
  77     // 1-1-1000 (Hijri) == 19-10-1591 (Gregorian)
  78     // NOTE: The calculated date is 18-10-1591, but there is inconsistency
  79     // with this website, as it states it should be 19-10-1591
  80     // https://habibur.com/hijri/1000/
  81     day = 18;
  82     month = 10;
  83     year = 1591;
  84     i18npool::Calendar_hijri::getHijri(&day, &month, &year);
  85     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), day);
  86     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), month);
  87     CPPUNIT_ASSERT_EQUAL(sal_Int32(1000), year);
  88
  89     i18npool::Calendar_hijri::ToGregorian(&day, &month, &year);
  90     CPPUNIT_ASSERT_EQUAL(sal_Int32(18), day);
  91     CPPUNIT_ASSERT_EQUAL(sal_Int32(10), month);
  92     CPPUNIT_ASSERT_EQUAL(sal_Int32(1591), year);
  93
  94     // 1-1-2000 (Hijri) == 7-1-2562 (Gregorian)
  95     // NOTE: The calculated date is 7-1-2562, but there is inconsistency
  96     // with this website, as it states it should be 8-1-2562
  97     // https://habibur.com/hijri/2000/
  98     day = 7;
  99     month = 1;
 100     year = 2562;
 101     i18npool::Calendar_hijri::getHijri(&day, &month, &year);
 102     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), day);
 103     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), month);
 104     CPPUNIT_ASSERT_EQUAL(sal_Int32(2000), year);
 105
 106     i18npool::Calendar_hijri::ToGregorian(&day, &month, &year);
 107     CPPUNIT_ASSERT_EQUAL(sal_Int32(7), day);
 108     CPPUNIT_ASSERT_EQUAL(sal_Int32(1), month);
 109     CPPUNIT_ASSERT_EQUAL(sal_Int32(2562), year);
 110 }
 111
 112 void TestCalendar::testGetGregorianJulianDay()
 113 {
 114     // Julian day for 22-2-2022 (Gregorian) == 2459633
 115     // https://core2.gsfc.nasa.gov/time/julian.html
 116     sal_Int32 lJulianDay, day = 22, month = 2, year = 2022;
 117     lJulianDay = i18npool::Calendar_hijri::getJulianDay(day, month, year);
 118     CPPUNIT_ASSERT_EQUAL(sal_Int32(2459633), lJulianDay);
 119
 120     i18npool::Calendar_hijri::getGregorianDay(lJulianDay, &day, &month, &year);
 121     CPPUNIT_ASSERT_EQUAL(sal_Int32(22), day);
 122     CPPUNIT_ASSERT_EQUAL(sal_Int32(2), month);
 123     CPPUNIT_ASSERT_EQUAL(sal_Int32(2022), year);
 124 }
 125
 126 CPPUNIT_TEST_SUITE_REGISTRATION(TestCalendar);
 127
 128 CPPUNIT_PLUGIN_IMPLEMENT();
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */