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// RUN: %target-run-simple-swift
// RUN: %target-run-simple-swift(-Xfrontend -unavailable-decl-optimization=complete)
// REQUIRES: executable_test
// REQUIRES: objc_interop
import StdlibUnittest
import Foundation
var CodableEnumUnavailableElementTestSuite = TestSuite("CodableEnumUnavailableElement")
@available(*, unavailable)
struct UnavailableStruct: Codable {}
enum EnumWithUnavailableCase: Codable {
case a
@available(*, unavailable)
case b(UnavailableStruct)
}
func decodeEnum(from json: String) throws -> EnumWithUnavailableCase {
let data = json.data(using: .utf8)!
return try JSONDecoder().decode(EnumWithUnavailableCase.self, from: data)
}
CodableEnumUnavailableElementTestSuite.test("decode_available_case") {
do {
let decoded = try decodeEnum(from: #"{"a":{}}"#)
switch decoded {
case .a: break
default: assertionFailure("Unexpected value \(decoded)")
}
} catch {
expectUnreachable("Unexpected error \(error)")
}
}
CodableEnumUnavailableElementTestSuite.test("decode_unavailable_case") {
do {
let decoded = try decodeEnum(from: #"{"b":{"_0":{}}}"#)
expectUnreachable("Unexpectedly decoded \(decoded)")
} catch DecodingError.dataCorrupted {
// Expected error
} catch {
expectUnreachable("Unexpected error \(error)")
}
}
runAllTests()
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