Remove unnecessary type casting

Sources/Overlays/_Testing_Foundation/Attachments/Attachment+URL.swift

@@ -131,8 +131,7 @@ private let _archiverPath: String? = {
     return _archiverName.withCString(encodedAs: UTF16.self) { archiverName -> String? in
       var result: UnsafeMutablePointer<CWideChar>?
 
-      let flags = ULONG(PATHCCH_ALLOW_LONG_PATHS.rawValue)
-      guard S_OK == PathAllocCombine(buffer.baseAddress!, archiverName, flags, &result) else {
+      guard S_OK == PathAllocCombine(buffer.baseAddress!, archiverName, DWORD(PATHCCH_ALLOW_LONG_PATHS.rawValue), &result) else {
         return nil
       }
       defer {

Sources/Overlays/_Testing_WinSDK/Attachments/HBITMAP+AttachableAsIWICBitmapSource.swift

@@ -28,7 +28,7 @@ extension HBITMAP__: _AttachableByAddressAsIWICBitmapSource {
     // The only reasonable failure mode for `CopyImage()` is allocation failure,
     // and Swift treats allocation failures as fatal. Hence, we do not check for
     // `nil` on return.
-    CopyImage(imageAddress, UINT(IMAGE_BITMAP), 0, 0, 0).assumingMemoryBound(to: Self.self)
+    CopyImage(imageAddress, IMAGE_BITMAP, 0, 0, 0).assumingMemoryBound(to: Self.self)
   }
 
   public static func _deinitializeAttachableValue(at imageAddress: UnsafeMutablePointer<Self>) {

Sources/Testing/ExitTests/ExitTest.swift

@@ -242,8 +242,8 @@ extension ExitTest {
     // On Windows, similarly disable Windows Error Reporting and the Windows
     // Error Reporting UI. Note we expect to be the first component to call
     // these functions, so we don't attempt to preserve any previously-set bits.
-    _ = SetErrorMode(UINT(SEM_NOGPFAULTERRORBOX))
-    _ = WerSetFlags(DWORD(WER_FAULT_REPORTING_NO_UI))
+    _ = SetErrorMode(SEM_NOGPFAULTERRORBOX)
+    _ = WerSetFlags(WER_FAULT_REPORTING_NO_UI)
 #else
 #warning("Platform-specific implementation missing: unable to disable crash reporting")
 #endif

Sources/Testing/ExitTests/SpawnProcess.swift

@@ -258,7 +258,7 @@ func spawnExecutable(
         }
 
         // Ensure the file handle can be inherited by the child process.
-        guard SetHandleInformation(windowsHANDLE, DWORD(HANDLE_FLAG_INHERIT), DWORD(HANDLE_FLAG_INHERIT)) else {
+        guard SetHandleInformation(windowsHANDLE, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT) else {
           throw Win32Error(rawValue: GetLastError())
         }
 
@@ -326,13 +326,13 @@ func spawnExecutable(
       // SEE: https://devblogs.microsoft.com/oldnewthing/20101109-00/?p=12323
       let workingDirectoryPath = rootDirectoryPath
 
-      var flags = DWORD(CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT | EXTENDED_STARTUPINFO_PRESENT)
+      var flags = CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT | EXTENDED_STARTUPINFO_PRESENT
 
       // Start the process suspended so we can attach a debugger if needed. We
       // always start the child process in a suspended state even if the
       // "SWT_START_CHILD_PROCESSES_SUSPENDED" environment variable isn't set so that
       // the debugger has a chance to attach to the child.
-      flags |= DWORD(CREATE_SUSPENDED)
+      flags |= CREATE_SUSPENDED
 
       return try environ.withCString(encodedAs: UTF16.self) { environ in
         try workingDirectoryPath.withCString(encodedAs: UTF16.self) { workingDirectoryPath in

Sources/Testing/ExitTests/WaitFor.swift

@@ -296,7 +296,7 @@ func wait(for processHandle: consuming HANDLE) async throws -> ExitStatus {
 
     // We only want the callback to fire once (and not be rescheduled.) Waiting
     // may take an arbitrarily long time, so let the thread pool know that too.
-    let flags = ULONG(WT_EXECUTEONLYONCE | WT_EXECUTELONGFUNCTION)
+    let flags = WT_EXECUTEONLYONCE | WT_EXECUTELONGFUNCTION
     guard RegisterWaitForSingleObject(&waitHandle, processHandle, callback, context, INFINITE, flags) else {
       continuation.resume(throwing: Win32Error(rawValue: GetLastError()))
       return

Sources/Testing/SourceAttribution/Backtrace+Symbolication.swift

@@ -86,7 +86,7 @@ extension Backtrace {
         withUnsafeTemporaryAllocation(of: SYMBOL_INFO_PACKAGEW.self, capacity: 1) { symbolInfo in
           let symbolInfo = symbolInfo.baseAddress!
           symbolInfo.pointee.si.SizeOfStruct = ULONG(MemoryLayout<SYMBOL_INFOW>.stride)
-          symbolInfo.pointee.si.MaxNameLen = ULONG(MAX_SYM_NAME)
+          symbolInfo.pointee.si.MaxNameLen = MAX_SYM_NAME
           var displacement = DWORD64(0)
           if SymFromAddrW(hProcess, DWORD64(clamping: address), &displacement, symbolInfo.pointer(to: \.si)!) {
             let symbolName = String.decodeCString(symbolInfo.pointer(to: \.si.Name)!, as: UTF16.self)?.result

Sources/Testing/Support/Additions/CommandLineAdditions.swift

@@ -108,15 +108,15 @@ extension CommandLine {
 #endif
       while result == nil {
         try withUnsafeTemporaryAllocation(of: CWideChar.self, capacity: bufferCount) { buffer in
-          SetLastError(DWORD(ERROR_SUCCESS))
+          SetLastError(ERROR_SUCCESS)
           _ = GetModuleFileNameW(nil, buffer.baseAddress!, DWORD(buffer.count))
           switch GetLastError() {
-          case DWORD(ERROR_SUCCESS):
+          case ERROR_SUCCESS:
             result = String.decodeCString(buffer.baseAddress!, as: UTF16.self)?.result
             if result == nil {
-              throw Win32Error(rawValue: DWORD(ERROR_ILLEGAL_CHARACTER))
+              throw Win32Error(rawValue: ERROR_ILLEGAL_CHARACTER)
             }
-          case DWORD(ERROR_INSUFFICIENT_BUFFER):
+          case ERROR_INSUFFICIENT_BUFFER:
             bufferCount += Int(MAX_PATH)
           case let errorCode:
             throw Win32Error(rawValue: errorCode)

Sources/Testing/Support/CError.swift

@@ -97,7 +97,7 @@ extension Win32Error: CustomStringConvertible {
       // we need to temporarily mis-cast the pointer before we can pass it in.
       let count = buffer.withMemoryRebound(to: CWideChar.self) { buffer in
         FormatMessageW(
-          DWORD(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK),
+          FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
           nil,
           rawValue,
           DWORD(swt_MAKELANGID(WORD(LANG_NEUTRAL), WORD(SUBLANG_DEFAULT))),

Sources/Testing/Support/Environment.swift

@@ -199,14 +199,14 @@ package enum Environment {
     name.withCString(encodedAs: UTF16.self) { name in
       func getVariable(maxCount: Int) -> String? {
         withUnsafeTemporaryAllocation(of: CWideChar.self, capacity: maxCount) { buffer in
-          SetLastError(DWORD(ERROR_SUCCESS))
+          SetLastError(ERROR_SUCCESS)
           let count = GetEnvironmentVariableW(name, buffer.baseAddress!, DWORD(buffer.count))
           if count == 0 {
             switch GetLastError() {
-            case DWORD(ERROR_SUCCESS):
+            case ERROR_SUCCESS:
               // Empty String
               return ""
-            case DWORD(ERROR_ENVVAR_NOT_FOUND):
+            case ERROR_ENVVAR_NOT_FOUND:
               // The environment variable wasn't set.
               return nil
             case let errorCode:

Sources/_TestDiscovery/Additions/WinSDKAdditions.swift

@@ -42,7 +42,7 @@ extension HMODULE {
         }
       } else {
         // Create a toolhelp snapshot that lists modules.
-        guard let snapshot = CreateToolhelp32Snapshot(DWORD(TH32CS_SNAPMODULE), 0) else {
+        guard let snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0) else {
           return nil
         }
         state.snapshot = snapshot

Tests/TestingTests/ABIEntryPointTests.swift

@@ -262,7 +262,7 @@ private func withTestingLibraryImageAddress<R>(_ body: (ImageAddress?) throws ->
   // We can't dynamically look up a function linked into the test executable on
   // ELF-based platforms.
 #elseif os(Windows)
-  let flags = DWORD(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)
+  let flags = GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
   try addressInTestingLibrary.withMemoryRebound(to: CWideChar.self, capacity: MemoryLayout<UnsafeRawPointer>.stride / MemoryLayout<CWideChar>.stride) { addressInTestingLibrary in
     try #require(GetModuleHandleExW(flags, addressInTestingLibrary, &testingLibraryAddress))
   }

Tests/TestingTests/Support/CErrorTests.swift

@@ -26,9 +26,9 @@ struct CErrorTests {
 struct Win32ErrorTests {
   @Test("Win32Error.description property",
     arguments: [
-      (DWORD(ERROR_OUTOFMEMORY), "Not enough memory resources are available to complete this operation."),
-      (DWORD(ERROR_INVALID_ACCESS), "The access code is invalid."),
-      (DWORD(ERROR_ARITHMETIC_OVERFLOW), "Arithmetic result exceeded 32 bits."),
+      (ERROR_OUTOFMEMORY, "Not enough memory resources are available to complete this operation."),
+      (ERROR_INVALID_ACCESS, "The access code is invalid."),
+      (ERROR_ARITHMETIC_OVERFLOW, "Arithmetic result exceeded 32 bits."),
       (999_999_999, "An unknown error occurred (999999999)."),
     ]
   )

Tests/TestingTests/Support/FileHandleTests.swift

@@ -62,10 +62,10 @@ struct FileHandleTests {
           CreateFileW(
             path,
             GENERIC_READ,
-            DWORD(FILE_SHARE_READ | FILE_SHARE_WRITE),
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
             nil,
-            DWORD(OPEN_ALWAYS),
-            DWORD(FILE_ATTRIBUTE_NORMAL),
+            OPEN_ALWAYS,
+            FILE_ATTRIBUTE_NORMAL,
             nil
           )
         )