UPDATED swift version to 5.9

FIXED typos in names and strings
MINOR test improvement

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.9
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

Sources/CBC/CBCError.swift

@@ -24,7 +24,7 @@ internal struct CBCError: LocalizedError {
 		case kCCParamError:
 			return "Illegal parameter value"
 		case kCCBufferTooSmall:
-			return "Insufficent buffer provided for specified operation"
+			return "Insufficient buffer provided for specified operation"
 		case kCCMemoryFailure:
 			return "Memory allocation failure"
 		case kCCAlignmentError:
@@ -36,7 +36,7 @@ internal struct CBCError: LocalizedError {
 		case kCCOverflow:
 			return "Overflow"
 		case kCCRNGFailure:
-			return "Rundom Number Generation Failure"
+			return "Random Number Generation Failure"
 		case kCCCallSequenceError:
 			return "Call Sequence Error"
 		case kCCKeySizeError:

Sources/CBC/Cipher.swift

@@ -17,10 +17,10 @@ extension AES.CBC {
 
 		/// Initialize new cipher instance that can operate on data to either encrypt or decrypt it.
 		/// - Parameters:
-		///   - operation: the cryptografic operation
+		///   - operation: the cryptographic operation
 		///   - key: a symmetric key for operation
 		///   - iv: initial vector data
-		/// - Throws: when fails to create a cryptografic context
+		/// - Throws: when fails to create a cryptographic context
 		public init(_ operation: Operation, using key: SymmetricKey, iv: Data, options: CCOptions = pkcs7Padding) throws {
 			let keyData = key.dataRepresentation.bytes
 			let ivData = iv.bytes
@@ -34,7 +34,7 @@ extension AES.CBC {
 			}
 
 			context = cryptor
-			state = OpatationState()
+			state = OperationState()
 		}
 
 		/// releases the crypto context
@@ -67,7 +67,7 @@ fileprivate protocol CipherState {
 	func finalize(cipher: AES.CBC.Cipher, context: CCCryptorRef) throws -> Data
 }
 
-private class OpatationState: CipherState {
+private class OperationState: CipherState {
 	private var buffer = Data()
 
 	func update(cipher: AES.CBC.Cipher, context: CCCryptorRef, _ data: Data) throws -> Data {

Sources/CBC/Extensions.swift

@@ -18,8 +18,8 @@ public extension SymmetricKey {
 	/// A Data instance created safely from the contiguous bytes without making any copies.
 	var dataRepresentation: Data {
 		return withUnsafeBytes { bytes in
-			let cfdata = CFDataCreateWithBytesNoCopy(nil, bytes.baseAddress?.assumingMemoryBound(to: UInt8.self), bytes.count, kCFAllocatorNull)
-			return (cfdata as Data?) ?? Data()
+			let cfData = CFDataCreateWithBytesNoCopy(nil, bytes.baseAddress?.assumingMemoryBound(to: UInt8.self), bytes.count, kCFAllocatorNull)
+			return (cfData as Data?) ?? Data()
 		}
 	}
 }

Sources/SimpleEncryptor/CryptoService/FileProcessing.swift

@@ -17,7 +17,7 @@ func process(file src: URL, to dest: URL, using key: SymmetricKey, bufferSize: I
 			 operation: Operation, finalOperation: FinalOperation? = nil,
 			 onProgress: OnProgress?) async throws {
 	guard let fileSize = src.fileSize else {
-		throw ProccessingError.fileNotFound
+		throw ProcessingError.fileNotFound
 	}
 
 	try await safeStream(to: dest) { output in
@@ -53,7 +53,7 @@ private func safeStream(to dest: URL, operation: SafeStreamBlock) async throws {
 	let tempFile = tempDir.appendingPathComponent(UUID().uuidString)
 
 	guard let output = OutputStream(url: tempFile, append: false) else {
-		throw ProccessingError.failedToCreateOutputStream
+		throw ProcessingError.failedToCreateOutputStream
 	}
 
 	output.open()
@@ -83,7 +83,7 @@ extension OutputStream {
 	}
 }
 
-enum ProccessingError: LocalizedError {
+enum ProcessingError: LocalizedError {
 	case fileNotFound
 	case failedToCreateOutputStream
 

Tests/Tests/SimpleEncryptorTests.swift

@@ -50,12 +50,7 @@ class SimpleEncryptorTests: XCTestCase {
 
 		//When
 		//Then
-		do {
-			try await encryptor.encrypt(file: src, to: dest)
-			XCTFail("Should throw an error")
-		} catch {
-			XCTAssertEqual(error.localizedDescription, ProccessingError.fileNotFound.localizedDescription)
-		}
+		await assertThrows(try await encryptor.encrypt(file: src, to: dest), ProcessingError.fileNotFound)
 	}
 
 	@available(macOS 12.0, iOS 15.0, *)
@@ -162,3 +157,21 @@ fileprivate struct MockKeyService: KeyService {
 		try fetchResult.get()
 	}
 }
+
+
+private func assertThrows<T>(
+	_ expression: @autoclosure () async throws -> T,
+	message: String? = nil,
+	file: StaticString = #filePath,
+	line: UInt = #line,
+	_ expectedError: LocalizedError? = nil
+) async {
+	do {
+		_ = try await expression()
+		XCTFail(message ?? "expression did not throw an error", file: file, line: line)
+	} catch {
+		if let expectedError {
+			XCTAssertEqual(error.localizedDescription, expectedError.localizedDescription)
+		}
+	}
+}