Files
swift-mirror/test/Interop/Cxx/stdlib/use-std-optional.swift

43 lines
1.1 KiB
Swift

// RUN: %target-run-simple-swift(-I %S/Inputs -Xfrontend -enable-experimental-cxx-interop -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)
var modifiedOpt = getNilOptional()
modifiedOpt.pointee = 777
expectEqual(777, modifiedOpt.pointee)
}
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)
}
runAllTests()