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| // | ||
| // Copyright © 2021-2023 Stephen F. Booth <[email protected]> | ||
| // Copyright © 2021-2024 Stephen F. Booth <[email protected]> | ||
| // Part of https://github.com/sbooth/JulianDayNumber | ||
| // MIT license | ||
| // | ||
|
|
||
| import XCTest | ||
| import Testing | ||
| @testable import JulianDayNumber | ||
|
|
||
| final class CongruenceTests: XCTestCase { | ||
| func testEpoch() { | ||
| XCTAssertEqual(ArmenianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 552, month: 7, day: 11)) | ||
| XCTAssertEqual(BahaiCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), GregorianCalendar.julianDayNumberFrom(year: 1844, month: 3, day: 21)) | ||
| XCTAssertEqual(CopticCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 284, month: 8, day: 29)) | ||
| XCTAssertEqual(EgyptianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: -746, month: 2, day: 26)) | ||
| XCTAssertEqual(EthiopianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 8, month: 8, day: 29)) | ||
| XCTAssertEqual(FrenchRepublicanCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), GregorianCalendar.julianDayNumberFrom(year: 1792, month: 9, day: 22)) | ||
| @Suite struct CongruenceTests { | ||
| func epoch() { | ||
| #expect(ArmenianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 552, month: 7, day: 11)) | ||
| #expect(BahaiCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == GregorianCalendar.julianDayNumberFrom(year: 1844, month: 3, day: 21)) | ||
| #expect(CopticCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 284, month: 8, day: 29)) | ||
| #expect(EgyptianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: -746, month: 2, day: 26)) | ||
| #expect(EthiopianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 8, month: 8, day: 29)) | ||
| #expect(FrenchRepublicanCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == GregorianCalendar.julianDayNumberFrom(year: 1792, month: 9, day: 22)) | ||
| // Strictly speaking the Gregorian calendar epoch is January 1, 1 CE in the Julian calendar | ||
| XCTAssertEqual(GregorianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 3)) | ||
| XCTAssertEqual(IslamicCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 622, month: 7, day: 16)) | ||
| XCTAssertEqual(KhwarizmianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 632, month: 6, day: 21)) | ||
| XCTAssertEqual(MacedonianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: -311, month: 9, day: 1)) | ||
| XCTAssertEqual(MayaCalendar.julianDayNumberFromLongCount(baktun: 0, katun: 0, tun: 0, uinal: 0, kin: 0), JulianCalendar.julianDayNumberFrom(year: -3113, month: 9, day: 6)) | ||
| XCTAssertEqual(SakaCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: 79, month: 3, day: 24)) | ||
| XCTAssertEqual(SyrianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), JulianCalendar.julianDayNumberFrom(year: -311, month: 10, day: 1)) | ||
| #expect(GregorianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 3)) | ||
| #expect(IslamicCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 622, month: 7, day: 16)) | ||
| #expect(KhwarizmianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 632, month: 6, day: 21)) | ||
| #expect(MacedonianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: -311, month: 9, day: 1)) | ||
| #expect(MayaCalendar.julianDayNumberFromLongCount(baktun: 0, katun: 0, tun: 0, uinal: 0, kin: 0) == JulianCalendar.julianDayNumberFrom(year: -3113, month: 9, day: 6)) | ||
| #expect(SakaCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: 79, month: 3, day: 24)) | ||
| #expect(SyrianCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == JulianCalendar.julianDayNumberFrom(year: -311, month: 10, day: 1)) | ||
| } | ||
|
|
||
| func testGregorianToJulianConversion() { | ||
| XCTAssertEqual(JulianCalendar.julianDayNumberFrom(year: -9999, month: 1, day: 1), GregorianCalendar.julianDayNumberFrom(year: -10000, month: 10, day: 16)) | ||
| XCTAssertEqual(GregorianCalendar.julianDayNumberFrom(year: 99999, month: 12, day: 31), JulianCalendar.julianDayNumberFrom(year: 99997, month: 12, day: 13)) | ||
| XCTAssertEqual(JulianCalendar.julianDayNumberFrom(year: -4712, month: 1, day: 1), GregorianCalendar.julianDayNumberFrom(year: -4713, month: 11, day: 24)) | ||
| XCTAssertEqual(JulianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 4), GregorianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 14)) | ||
| XCTAssertEqual(GregorianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 15), JulianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 5)) | ||
| func gregorianToJulianConversion() { | ||
| #expect(JulianCalendar.julianDayNumberFrom(year: -9999, month: 1, day: 1) == GregorianCalendar.julianDayNumberFrom(year: -10000, month: 10, day: 16)) | ||
| #expect(GregorianCalendar.julianDayNumberFrom(year: 99999, month: 12, day: 31) == JulianCalendar.julianDayNumberFrom(year: 99997, month: 12, day: 13)) | ||
| #expect(JulianCalendar.julianDayNumberFrom(year: -4712, month: 1, day: 1) == GregorianCalendar.julianDayNumberFrom(year: -4713, month: 11, day: 24)) | ||
| #expect(JulianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 4) == GregorianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 14)) | ||
| #expect(GregorianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 15) == JulianCalendar.julianDayNumberFrom(year: 1582, month: 10, day: 5)) | ||
| } | ||
| } |