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
|
// RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=swift-5.9 -Xcc -std=c++17)
// RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=swift-6 -Xcc -std=c++17)
// RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -cxx-interoperability-mode=upcoming-swift -Xcc -std=c++17)
//
// REQUIRES: executable_test
import StdlibUnittest
import StdOptional
import CxxStdlib
var StdOptionalTestSuite = TestSuite("StdOptional")
StdOptionalTestSuite.test("pointee") {
let nonNilOpt = getNonNilOptional()
let pointee = nonNilOpt.pointee
expectEqual(123, pointee)
#if !os(Linux) // crashes on Ubuntu 18.04 (rdar://113414160)
var modifiedOpt = getNilOptional()
modifiedOpt.pointee = 777
expectEqual(777, modifiedOpt.pointee)
#endif
}
StdOptionalTestSuite.test("std::optional => Swift.Optional") {
let nonNilOpt = getNonNilOptional()
let swiftOptional = Optional(fromCxx: nonNilOpt)
expectNotNil(swiftOptional)
expectEqual(123, swiftOptional!)
let nilOpt = getNilOptional()
let swiftNil = Optional(fromCxx: nilOpt)
expectNil(swiftNil)
}
StdOptionalTestSuite.test("std::optional hasValue/value") {
let nonNilOpt = getNonNilOptional()
expectTrue(nonNilOpt.hasValue)
expectEqual(123, nonNilOpt.value!)
let nilOpt = getNilOptional()
expectFalse(nilOpt.hasValue)
expectNil(nilOpt.value)
}
StdOptionalTestSuite.test("std::optional as ExpressibleByNilLiteral") {
let res1 = takesOptionalInt(nil)
expectFalse(res1)
let res2 = takesOptionalString(nil)
expectFalse(res2)
}
runAllTests()
|
