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// REQUIRES: OS=macosx
// RUN: %target-swift-frontend -DVALUE -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=VALUE
// RUN: %target-swift-frontend -DEMPTYCATCH -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=EMPTYCATCH
// RUN: %target-swift-frontend -DASQEXPR -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=ASQEXPR
// RUN: %target-swift-frontend -DASBANGEXPR -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=ASBANGEXPR
// RUN: %target-swift-frontend -DCATCHIS -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=CATCHIS
// RUN: %target-swift-frontend -DCATCHAS -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=CATCHAS
// RUN: %target-swift-frontend -DGENERICONLY -emit-sil %s -import-objc-header %S/Inputs/enum-error.h | %FileCheck %s -check-prefix=GENERICONLY
// RUN: not %target-swift-frontend -DEXHAUSTIVE -emit-sil %s -import-objc-header %S/Inputs/enum-error.h -enable-nonfrozen-enum-exhaustivity-diagnostics 2>&1 | %FileCheck %s -check-prefix=EXHAUSTIVE
// RUN: %target-swift-frontend -typecheck %s -import-objc-header %S/Inputs/enum-error.h -DERRORS -verify
// RUN: echo '#include "enum-error.h"' > %t.m
// RUN: %target-swift-ide-test -source-filename %s -print-header -header-to-print %S/Inputs/enum-error.h -import-objc-header %S/Inputs/enum-error.h --cc-args %target-cc-options -fsyntax-only %t.m -I %S/Inputs > %t.txt
// RUN: %FileCheck -check-prefix=HEADER %s < %t.txt
// RUN: %target-swift-ide-test -source-filename %s -print-header -header-to-print %S/Inputs/enum-error.h -import-objc-header %S/Inputs/enum-error.h --skip-private-stdlib-decls -skip-underscored-stdlib-protocols --cc-args %target-cc-options -fsyntax-only %t.m -I %S/Inputs > %t2.txt
// RUN: %FileCheck -check-prefix=HEADER-NO-PRIVATE %s < %t2.txt
import Foundation
func testDropCode(other: OtherError) -> OtherError.Code {
return other.code
}
func testImportsCorrectly() {
_ = TypedefOnlyError.badness
_ = TypedefOnlyError.Code.badness
}
func testError() {
let testErrorNSError = NSError(domain: TestErrorDomain,
code: Int(TestError.TENone.rawValue),
userInfo: nil)
// Below are a number of test cases to make sure that various pattern and cast
// expression forms are sufficient in pulling in the _NSBridgedError
// conformance.
#if VALUE
// VALUE: TestError: _BridgedStoredNSError
let terr = getErr(); terr
#elseif EMPTYCATCH
// EMPTYCATCH: TestError: _BridgedStoredNSError
do {
throw TestError(.TENone)
} catch {}
#elseif ASQEXPR
// ASQEXPR: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
let wasTestError = testErrorNSError as? TestError; wasTestError
#elseif ASBANGEXPR
// ASBANGEXPR: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
let terr2 = testErrorNSError as! TestError; terr2
#elseif ISEXPR
// ISEXPR: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
if (testErrorNSError is TestError) {
print("true")
} else {
print("false")
}
#elseif CATCHIS
// CATCHIS: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
do {
throw TestError(.TETwo)
} catch is TestError {
} catch {}
#elseif CATCHAS
// CATCHAS: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
do {
throw TestError(.TETwo)
} catch let err as TestError {
err
} catch {}
#elseif GENERICONLY
// GENERICONLY: TestError: _BridgedStoredNSError
func dyncast<T, U>(_ x: T) -> U {
return x as! U
}
let _ : TestError = dyncast(testErrorNSError)
#elseif EXHAUSTIVE
// CHECK: sil_witness_table shared TestError: _BridgedStoredNSError module __ObjC
// CHECK: sil_witness_table shared ExhaustiveError: _BridgedStoredNSError module __ObjC
let terr = getErr()
switch (terr) { case .TENone, .TEOne, .TETwo: break }
// EXHAUSTIVE: [[@LINE-1]]:{{.+}}: warning: switch covers known cases, but 'TestError.Code' may have additional unknown values
// EXHAUSTIVE: {{.+}}: note: handle unknown values using "@unknown default"
switch (terr) { case .TENone, .TEOne: break }
// EXHAUSTIVE: [[@LINE-1]]:{{.+}}: error: switch must be exhaustive
// EXHAUSTIVE: {{.+}}: note: add missing case: '.TETwo'
let _ = TestError.Code(rawValue: 2)!
do {
throw TestError(.TEOne)
} catch is TestError {
} catch {}
// Allow exhaustive error codes as well.
let eerr = getExhaustiveErr()
switch eerr { case .EENone, .EEOne, .EETwo: break }
// EXHAUSTIVE-NOT: [[@LINE-1]]:{{.+}}: {{error|warning|note}}
switch eerr { case .EENone, .EEOne: break }
// EXHAUSTIVE: [[@LINE-1]]:{{.+}}: error: switch must be exhaustive
// EXHAUSTIVE: {{.+}}: note: add missing case: '.EETwo'
#endif
}
#if ERRORS
class ObjCTest {
@objc func foo() -> TestError {} // expected-error {{method cannot be marked @objc because its result type cannot be represented in Objective-C}} expected-note {{Swift structs cannot be represented in Objective-C}}
@objc func bar() -> TestError.Code {} // okay
}
#endif
// HEADER: struct TestError : _BridgedStoredNSError {
// HEADER: enum Code : Int32, _ErrorCodeProtocol, @unchecked Sendable {
// HEADER: init?(rawValue: Int32)
// HEADER: var rawValue: Int32 { get }
// HEADER: typealias _ErrorType = TestError
// HEADER: case TENone
// HEADER: case TEOne
// HEADER: case TETwo
// HEADER: }
// HEADER: }
// HEADER: func getErr() -> TestError.Code
// HEADER-NO-PRIVATE: struct TestError : CustomNSError, Hashable, Error {
// HEADER-NO-PRIVATE: enum Code : Int32, @unchecked Sendable, Equatable {
// HEADER-NO-PRIVATE: init?(rawValue: Int32)
// HEADER-NO-PRIVATE: var rawValue: Int32 { get }
// HEADER-NO-PRIVATE: typealias _ErrorType = TestError
// HEADER-NO-PRIVATE: case TENone
// HEADER-NO-PRIVATE: case TEOne
// HEADER-NO-PRIVATE: case TETwo
// HEADER-NO-PRIVATE: }
// HEADER-NO-PRIVATE: }
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