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|---|---|---|
| @@ -1,101 +1,101 @@ | ||
| // | ||
| // 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 BahaiCalendarTests: XCTestCase { | ||
| func testDateValidation() { | ||
| XCTAssertTrue(BahaiCalendar.isDateValid(year: 1, month: 1, day: 1)) | ||
| XCTAssertFalse(BahaiCalendar.isDateValid(year: 3, month: 19, day: 5)) | ||
| XCTAssertTrue(BahaiCalendar.isDateValid(year: 4, month: 19, day: 5)) | ||
| @Suite struct BahaiCalendarTests { | ||
| @Test func dateValidation() { | ||
| #expect(BahaiCalendar.isDateValid(year: 1, month: 1, day: 1)) | ||
| #expect(!BahaiCalendar.isDateValid(year: 3, month: 19, day: 5)) | ||
| #expect(BahaiCalendar.isDateValid(year: 4, month: 19, day: 5)) | ||
| } | ||
|
|
||
| func testLeapYear() { | ||
| XCTAssertFalse(BahaiCalendar.isLeapYear(1)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(4)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(100)) | ||
| XCTAssertFalse(BahaiCalendar.isLeapYear(750)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(900)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(1236)) | ||
| XCTAssertFalse(BahaiCalendar.isLeapYear(1429)) | ||
| XCTAssertFalse(BahaiCalendar.isLeapYear(-3)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(-4)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(-8)) | ||
| XCTAssertTrue(BahaiCalendar.isLeapYear(-100)) | ||
| @Test func leapYear() { | ||
| #expect(!BahaiCalendar.isLeapYear(1)) | ||
| #expect(BahaiCalendar.isLeapYear(4)) | ||
| #expect(BahaiCalendar.isLeapYear(100)) | ||
| #expect(!BahaiCalendar.isLeapYear(750)) | ||
| #expect(BahaiCalendar.isLeapYear(900)) | ||
| #expect(BahaiCalendar.isLeapYear(1236)) | ||
| #expect(!BahaiCalendar.isLeapYear(1429)) | ||
| #expect(!BahaiCalendar.isLeapYear(-3)) | ||
| #expect(BahaiCalendar.isLeapYear(-4)) | ||
| #expect(BahaiCalendar.isLeapYear(-8)) | ||
| #expect(BahaiCalendar.isLeapYear(-100)) | ||
|
|
||
| for y in -500...500 { | ||
| let isLeap = BahaiCalendar.isLeapYear(y) | ||
| let j = BahaiCalendar.julianDayNumberFrom(year: y, month: 19, day: isLeap ? 5 : 4) | ||
| let d = BahaiCalendar.dateFromJulianDayNumber(j) | ||
| XCTAssertEqual(d.month, 19) | ||
| XCTAssertEqual(d.day, isLeap ? 5 : 4) | ||
| #expect(d.month == 19) | ||
| #expect(d.day == (isLeap ? 5 : 4)) | ||
| } | ||
| } | ||
|
|
||
| func testMonthCount() { | ||
| XCTAssertEqual(BahaiCalendar.monthsInYear, 20) | ||
| @Test func monthCount() { | ||
| #expect(BahaiCalendar.monthsInYear == 20) | ||
| } | ||
|
|
||
| func testMonthLength() { | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 1), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 2), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 3), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 4), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 5), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 6), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 7), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 8), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 9), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 10), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 11), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 12), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 13), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 14), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 15), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 16), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 17), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 18), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 1, month: 20), 19) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 2, month: 19), 4) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 3, month: 19), 4) | ||
| XCTAssertEqual(BahaiCalendar.daysInMonth(year: 4, month: 19), 5) | ||
| @Test func monthLength() { | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 1) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 2) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 3) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 4) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 5) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 6) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 7) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 8) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 9) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 10) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 11) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 12) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 13) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 14) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 15) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 16) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 17) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 18) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 1, month: 20) == 19) | ||
| #expect(BahaiCalendar.daysInMonth(year: 2, month: 19) == 4) | ||
| #expect(BahaiCalendar.daysInMonth(year: 3, month: 19) == 4) | ||
| #expect(BahaiCalendar.daysInMonth(year: 4, month: 19) == 5) | ||
| } | ||
|
|
||
| func testJulianDayNumber() { | ||
| XCTAssertEqual(BahaiCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1), 2394647) | ||
| @Test func julianDayNumber() { | ||
| #expect(BahaiCalendar.julianDayNumberFrom(year: 1, month: 1, day: 1) == 2394647) | ||
| } | ||
|
|
||
| func testLimits() { | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: -999999, month: 1, day: 1), -362847853.5) | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: -99999, month: 1, day: 1), -34129603.5) | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: -9999, month: 1, day: 1), -1257778.5) | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: 9999, month: 20, day: 19), 6046704.5) | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: 99999, month: 20, day: 19), 38918529.5) | ||
| XCTAssertEqual(BahaiCalendar.julianDateFrom(year: 999999, month: 20, day: 19), 367636779.5) | ||
| @Test func limits() { | ||
| #expect(BahaiCalendar.julianDateFrom(year: -999999, month: 1, day: 1) == -362847853.5) | ||
| #expect(BahaiCalendar.julianDateFrom(year: -99999, month: 1, day: 1) == -34129603.5) | ||
| #expect(BahaiCalendar.julianDateFrom(year: -9999, month: 1, day: 1) == -1257778.5) | ||
| #expect(BahaiCalendar.julianDateFrom(year: 9999, month: 20, day: 19) == 6046704.5) | ||
| #expect(BahaiCalendar.julianDateFrom(year: 99999, month: 20, day: 19) == 38918529.5) | ||
| #expect(BahaiCalendar.julianDateFrom(year: 999999, month: 20, day: 19) == 367636779.5) | ||
|
|
||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(-362847853.5) == (-999999, 1, 1, 0, 0, 0)) | ||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(-34129603.5) == (-99999, 1, 1, 0, 0, 0)) | ||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(-1257778.5) == (-9999, 1, 1, 0, 0, 0)) | ||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(6046704.5) == (9999, 20, 19, 0, 0, 0)) | ||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(38918529.5) == (99999, 20, 19, 0, 0, 0)) | ||
| XCTAssertTrue(BahaiCalendar.dateAndTimeFromJulianDate(367636779.5) == (999999, 20, 19, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(-362847853.5) == (-999999, 1, 1, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(-34129603.5) == (-99999, 1, 1, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(-1257778.5) == (-9999, 1, 1, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(6046704.5) == (9999, 20, 19, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(38918529.5) == (99999, 20, 19, 0, 0, 0)) | ||
| #expect(BahaiCalendar.dateAndTimeFromJulianDate(367636779.5) == (999999, 20, 19, 0, 0, 0)) | ||
| } | ||
|
|
||
| func testArithmeticLimits() { | ||
| @Test func arithmeticLimits() { | ||
| // Values smaller than this cause an arithmetic overflow in dateFromJulianDayNumber | ||
| let smallestJDNForBahaiCalendar = Int.min + 56457 | ||
| var (Y, M, D) = BahaiCalendar.dateFromJulianDayNumber(smallestJDNForBahaiCalendar) | ||
| var jdn = BahaiCalendar.julianDayNumberFrom(year: Y, month: M, day: D) | ||
| XCTAssertEqual(smallestJDNForBahaiCalendar, jdn) | ||
| #expect(smallestJDNForBahaiCalendar == jdn) | ||
|
|
||
| // Values larger than this cause an arithmetic overflow in dateFromJulianDayNumber | ||
| let largestJDNForBahaiCalendar = 2305795661307959248 | ||
| (Y, M, D) = BahaiCalendar.dateFromJulianDayNumber(largestJDNForBahaiCalendar) | ||
| jdn = BahaiCalendar.julianDayNumberFrom(year: Y, month: M, day: D) | ||
| XCTAssertEqual(largestJDNForBahaiCalendar, jdn) | ||
| #expect(largestJDNForBahaiCalendar == jdn) | ||
| } | ||
| } |