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
152
153
154
|
// RUN: %target-run-simple-swift(-Onone)
// RUN: %target-run-simple-swift(-O)
// REQUIRES: executable_test
// REQUIRES: objc_interop
import StdlibUnittest
import Foundation
let testSuiteSuffix = _isDebugAssertConfiguration() ? "_debug" : "_release"
struct NotBridgedKeyTy : Equatable, Hashable {
init(_ value: Int) {
self.value = value
}
func hash(into hasher: inout Hasher) {
hasher.combine(value)
}
var value: Int
}
func == (lhs: NotBridgedKeyTy, rhs: NotBridgedKeyTy) -> Bool {
return lhs.value == rhs.value
}
assert(!_isBridgedToObjectiveC(NotBridgedKeyTy.self))
struct NotBridgedValueTy {}
assert(!_isBridgedToObjectiveC(NotBridgedValueTy.self))
class BridgedVerbatimRefTy : Equatable, Hashable {
init(_ value: Int) {
self.value = value
}
func hash(into hasher: inout Hasher) {
hasher.combine(value)
}
var value: Int
}
func == (lhs: BridgedVerbatimRefTy, rhs: BridgedVerbatimRefTy) -> Bool {
return lhs.value == rhs.value
}
assert(_isBridgedToObjectiveC(BridgedVerbatimRefTy.self))
assert(_isBridgedVerbatimToObjectiveC(BridgedVerbatimRefTy.self))
var SetTraps = TestSuite("SetTraps" + testSuiteSuffix)
SetTraps.test("sanity") {
// Soundness checks. This code should not trap.
let s = Set<BridgedVerbatimRefTy>()
_ = s as NSSet
}
class TestObjCKeyTy : NSObject {
init(_ value: Int) {
self.value = value
}
override func isEqual(_ object: Any?) -> Bool {
if let other = object {
if let otherObjcKey = other as? TestObjCKeyTy {
return self.value == otherObjcKey.value
}
}
return false
}
override var hash : Int {
return value
}
var value: Int
}
struct TestBridgedKeyTy : Hashable, _ObjectiveCBridgeable {
init(_ value: Int) { self.value = value }
func hash(into hasher: inout Hasher) {
hasher.combine(value)
}
func _bridgeToObjectiveC() -> TestObjCKeyTy {
return TestObjCKeyTy(value)
}
static func _forceBridgeFromObjectiveC(
_ x: TestObjCKeyTy,
result: inout TestBridgedKeyTy?
) {
result = TestBridgedKeyTy(x.value)
}
static func _conditionallyBridgeFromObjectiveC(
_ x: TestObjCKeyTy,
result: inout TestBridgedKeyTy?
) -> Bool {
result = TestBridgedKeyTy(x.value)
return true
}
static func _unconditionallyBridgeFromObjectiveC(_ source: TestObjCKeyTy?)
-> TestBridgedKeyTy {
var result: TestBridgedKeyTy?
_forceBridgeFromObjectiveC(source!, result: &result)
return result!
}
var value: Int
}
func ==(x: TestBridgedKeyTy, y: TestBridgedKeyTy) -> Bool {
return x.value == y.value
}
SetTraps.test("BridgedKeyIsNotNSCopyable1") {
// This Set is bridged in O(1).
let s: Set<TestObjCKeyTy> = [ TestObjCKeyTy(10) ]
let nss = s as NSSet
// Unlike NSDictionary, NSSet does not require NSCopying from its element
// type.
let copiedSet = nss.mutableCopy() as! NSMutableSet
expectEqual(10, (copiedSet.anyObject() as! TestObjCKeyTy).value)
}
SetTraps.test("Downcast1")
.skip(.custom(
{ _isFastAssertConfiguration() },
reason: "this trap is not guaranteed to happen in -Ounchecked"))
.code {
let s: Set<NSObject> = [ NSObject(), NSObject() ]
let s2: Set<TestObjCKeyTy> = _setDownCast(s)
expectCrashLater()
_ = s2.contains(TestObjCKeyTy(10))
_ = s2.contains(TestObjCKeyTy(20))
// This triggers failure.
for _ in s2 { }
}
SetTraps.test("Downcast2")
.skip(.custom(
{ _isFastAssertConfiguration() },
reason: "this trap is not guaranteed to happen in -Ounchecked"))
.code {
let s: Set<NSObject> = [ TestObjCKeyTy(10), NSObject() ]
expectCrashLater()
let s2 = s as! Set<TestBridgedKeyTy>
_ = s2.contains(TestBridgedKeyTy(10))
}
runAllTests()
|
