1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#if canImport(TestSupport)
import TestSupport
#endif
final class DateComponentsTests : XCTestCase {
func test_isValidDate() {
let dc = DateComponents(year: 2022, month: 11, day: 1)
XCTAssertTrue(dc.isValidDate(in: Calendar(identifier: .gregorian)))
let dc2 = DateComponents(year: 2022, month: 11, day: 32)
XCTAssertFalse(dc2.isValidDate(in: Calendar(identifier: .gregorian)))
}
func test_leapMonth() {
var components = DateComponents()
components.month = 1
XCTAssertFalse(components.isLeapMonth ?? true == false)
components.isLeapMonth = true
XCTAssertEqual(components.month, 1)
XCTAssertTrue(components.isLeapMonth ?? false == true)
}
func test_valueForComponent() {
let comps = DateComponents(calendar: nil, timeZone: nil, era: 1, year: 2013, month: 4, day: 2, hour: 20, minute: 33, second: 49, nanosecond: 192837465, weekday: 3, weekdayOrdinal: 1, quarter: nil, weekOfMonth: 1, weekOfYear: 14, yearForWeekOfYear: 2013)
XCTAssertEqual(comps.value(for: .calendar), nil)
XCTAssertEqual(comps.value(for: .timeZone), nil)
XCTAssertEqual(comps.value(for: .era), 1)
XCTAssertEqual(comps.value(for: .year), 2013)
XCTAssertEqual(comps.value(for: .month), 4)
XCTAssertEqual(comps.value(for: .day), 2)
XCTAssertEqual(comps.value(for: .hour), 20)
XCTAssertEqual(comps.value(for: .minute), 33)
XCTAssertEqual(comps.value(for: .second), 49)
XCTAssertEqual(comps.value(for: .nanosecond), 192837465)
XCTAssertEqual(comps.value(for: .weekday), 3)
XCTAssertEqual(comps.value(for: .weekdayOrdinal), 1)
XCTAssertEqual(comps.value(for: .quarter), nil)
XCTAssertEqual(comps.value(for: .weekOfMonth), 1)
XCTAssertEqual(comps.value(for: .weekOfYear), 14)
XCTAssertEqual(comps.value(for: .yearForWeekOfYear), 2013)
}
func test_nanosecond() {
var comps = DateComponents(nanosecond: 123456789)
XCTAssertEqual(comps.nanosecond, 123456789)
comps.year = 2013
comps.month = 12
comps.day = 2
comps.hour = 12
comps.minute = 30
comps.second = 45
var cal = Calendar(identifier: .gregorian)
cal.timeZone = TimeZone(identifier: "UTC")!
let dateWithNS = cal.date(from: comps)!
let newComps = cal.dateComponents([.nanosecond], from: dateWithNS)
let nanosecondsApproximatelyEqual = labs(CLong(newComps.nanosecond!) - 123456789) <= 500
XCTAssertTrue(nanosecondsApproximatelyEqual)
}
func testDateComponents() {
// Make sure the optional init stuff works
let dc = DateComponents()
XCTAssertNil(dc.year)
let dc2 = DateComponents(year: 1999)
XCTAssertNil(dc2.day)
XCTAssertEqual(1999, dc2.year)
}
func test_AnyHashableContainingDateComponents() {
let values: [DateComponents] = [
DateComponents(year: 2016),
DateComponents(year: 1995),
DateComponents(year: 1995),
]
let anyHashables = values.map(AnyHashable.init)
expectEqual(DateComponents.self, type(of: anyHashables[0].base))
expectEqual(DateComponents.self, type(of: anyHashables[1].base))
expectEqual(DateComponents.self, type(of: anyHashables[2].base))
XCTAssertNotEqual(anyHashables[0], anyHashables[1])
XCTAssertEqual(anyHashables[1], anyHashables[2])
}
func test_weekComponent() {
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = .gmt
// date(from: "2010-09-08 07:59:54 +0000")
let date = Date(timeIntervalSinceReferenceDate: 305625594.0)
let comps = calendar.dateComponents([.weekOfYear], from: date)
XCTAssertEqual(comps.weekOfYear, 37)
}
func test_components_fromDate_toDate_options_withEraChange() {
// date(from: "1900-01-01 01:23:34 +0000")
let fromDate = Date(timeIntervalSinceReferenceDate: -3187290986.0)
// date(from: "2010-09-08 07:59:54 +0000")
let toDate = Date(timeIntervalSinceReferenceDate: 305625594.0)
var calendar = Calendar(identifier: .japanese)
calendar.timeZone = .gmt
let units: Set<Calendar.Component> = [.era, .year, .month, .day, .hour, .minute, .second]
let comps = calendar.dateComponents(units, from: fromDate, to: toDate)
XCTAssertEqual(comps.era, 3)
XCTAssertEqual(comps.year, -10)
XCTAssertEqual(comps.month, -3)
XCTAssertEqual(comps.day, -22)
XCTAssertEqual(comps.hour, -17)
XCTAssertEqual(comps.minute, -23)
XCTAssertEqual(comps.second, -40)
}
}
// MARK: - FoundationPreview disabled utils
#if FOUNDATION_FRAMEWORK
extension DateComponentsTests {
func date(from string: String, nanoseconds: Int? = nil) -> Date {
let d = try! Date(string, strategy: Date.ParseStrategy(format: "\(year: .extended(minimumLength: 4))-\(month: .twoDigits)-\(day: .twoDigits) \(hour: .twoDigits(clock: .twentyFourHour, hourCycle: .zeroBased)):\(minute: .twoDigits):\(second: .twoDigits) \(timeZone: .iso8601(.short))", locale: Locale(identifier: "en_US"), timeZone: TimeZone.gmt))
if let nanoseconds {
var comps = Calendar(identifier: .gregorian).dateComponents([.era, .year, .month, .day, .hour, .minute, .second, .nanosecond, .weekday, .weekdayOrdinal, .quarter, .weekOfMonth, .weekOfYear, .yearForWeekOfYear, .timeZone, .calendar], from: d)
return Calendar(identifier: .gregorian).date(from: comps)!
}
return d
}
}
#endif // FOUNDATION_FRAMEWORK
|
