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
|
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 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 Swift project authors
//
@testable @_spi(Experimental) @_spi(ForToolsIntegrationOnly) import Testing
private import _TestingInternals
@Suite("Clock API Tests")
struct ClockTests {
@available(_clockAPI, *)
@Test("Clock.Instant basics")
func clockInstant() async throws {
let instant1 = Test.Clock.Instant.now
try await Test.Clock.sleep(for: .nanoseconds(50_000_000))
let instant2 = Test.Clock.Instant.now
#expect(instant1 == instant1)
#expect(instant1 < instant2)
#expect(!(instant2 < instant1))
#expect(instant2 > instant1)
let instant3 = instant2.advanced(by: .seconds(5))
#expect(instant2 < instant3)
#expect(!(instant3 < instant2))
#expect(instant3 > instant2)
// Exercise the hash function.
let instants = Set([instant1, instant1, instant2])
#expect(instants.count == 2)
let now = Test.Clock.Instant.now
#expect(now.suspending.seconds > 0)
#expect(now.suspending.attoseconds >= 0)
#if !SWT_NO_UTC_CLOCK
#expect(now.wall.seconds > 0)
#expect(now.wall.attoseconds >= 0)
#endif
}
@available(_clockAPI, *)
@Test("Creating a SuspendingClock.Instant from Test.Clock.Instant")
func suspendingInstantInitializer() async throws {
let instant1 = SuspendingClock.Instant(Test.Clock.Instant.now)
try await Test.Clock.sleep(for: .milliseconds(50))
let instant2 = SuspendingClock.Instant(Test.Clock.Instant.now)
#expect(instant1 < instant2)
}
@available(_clockAPI, *)
@Test("Clock.sleep(until:tolerance:) method")
func sleepUntilTolerance() async throws {
let instant1 = SuspendingClock.Instant(Test.Clock.Instant.now)
try await Test.Clock().sleep(until: .now.advanced(by: .milliseconds(50)), tolerance: nil)
let instant2 = SuspendingClock.Instant(Test.Clock.Instant.now)
#expect(instant1 < instant2)
}
#if !SWT_NO_UTC_CLOCK
@available(_clockAPI, *)
@Test("Clock.Instant.timeComponentsSince1970 property")
func timeComponentsSince1970() async throws {
let instant1 = Test.Clock.Instant.now.timeComponentsSince1970
try await Test.Clock.sleep(for: .nanoseconds(50_000_000))
let instant2 = Test.Clock.Instant.now.timeComponentsSince1970
#expect(instant1.seconds < instant2.seconds || instant1.attoseconds < instant2.attoseconds)
}
#endif
#if !SWT_NO_UTC_CLOCK
@available(_clockAPI, *)
@Test("Clock.Instant.durationSince1970 property")
func durationSince1970() async throws {
let instant1 = Test.Clock.Instant.now.durationSince1970
try await Test.Clock.sleep(for: .milliseconds(50))
let instant2 = Test.Clock.Instant.now.durationSince1970
#expect(instant1 < instant2)
}
#endif
@available(_clockAPI, *)
@Test("Clock.now property")
func clockNowProperty() async throws {
let instant1 = Test.Clock().now
try await Test.Clock.sleep(for: .milliseconds(50))
let instant2 = Test.Clock().now
#expect(instant1 < instant2)
}
@available(_clockAPI, *)
@Test("Clock.minimumResolution property")
func clockMinimumResolutionProperty() async throws {
let minimumResolution = Test.Clock().minimumResolution
#expect(minimumResolution == SuspendingClock().minimumResolution)
}
@available(_clockAPI, *)
@Test("Clock.Instant.advanced(by:) and .duration(to:) methods")
func instantAdvancedByAndDurationTo() async throws {
let offsetNanoseconds = Int64.random(in: -1_000_000_000 ..< 1_000_000_000)
let instant1 = Test.Clock.Instant.now
let instant2 = instant1.advanced(by: .nanoseconds(offsetNanoseconds))
let duration = instant1.duration(to: instant2)
#expect(SuspendingClock.Instant(instant1).advanced(by: .nanoseconds(offsetNanoseconds)) == SuspendingClock.Instant(instant2))
#if !SWT_NO_UTC_CLOCK
#expect(instant1.durationSince1970 + .nanoseconds(offsetNanoseconds) == instant2.durationSince1970)
#endif
#expect(duration == .nanoseconds(offsetNanoseconds))
}
#if canImport(Foundation)
@available(_clockAPI, *)
@Test("Codable")
func codable() async throws {
let now = Test.Clock.Instant()
let instant = now.advanced(by: .nanoseconds(100))
let decoded = try JSON.encodeAndDecode(instant)
#expect(instant == decoded)
#expect(instant != now)
}
#endif
@available(_clockAPI, *)
@Test("Clock.Instant.nanoseconds(until:) method",
arguments: [
(Duration.zero, 0),
(.nanoseconds(1), 1),
(.seconds(1), 1_000_000_000),
(Duration(secondsComponent: 0, attosecondsComponent: 1), 0),
]
)
func nanoseconds(until offset: Duration, nanoseconds: Int) {
let now = Test.Clock.Instant.now
#expect(now.nanoseconds(until: now.advanced(by: offset)) == nanoseconds)
}
}
|
