Fix missing type cast for sizeof macro

sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.VisitStmt.cs

@@ -3266,7 +3266,7 @@ private void VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr unaryExprOrT
                         }
 
                         needsCast = IsType<BuiltinType>(unaryExprOrTypeTraitExpr, parentType, out var builtinType) &&
-                                    ((builtinType.Kind == CXType_UInt) || (builtinType.Kind == CXType_ULong));
+                                    (builtinType.Kind is CXType_UInt or CXType_ULong or CXType_ULongLong);
                         needsCast &= !IsSupportedFixedSizedBufferType(typeName);
                         needsCast &= !IsType<EnumType>(unaryExprOrTypeTraitExpr, argumentType);
                         needsCast |= parentTypeIsVariableSized;

tests/ClangSharp.PInvokeGenerator.UnitTests/Baseline/Baselines/SizeOfMacroTestTest/RuntimeSizeofMacroTestUnix.CSharp.Latest.Unix.cs

@@ -0,0 +1,14 @@
+namespace ClangSharp.Test
+{
+    public unsafe partial struct XrEventDataBuffer
+    {
+        [NativeTypeName("const void *")]
+        public void* next;
+    }
+
+    public static unsafe partial class Methods
+    {
+        [NativeTypeName("#define XR_MAX_EVENT_DATA_SIZE sizeof(XrEventDataBuffer)")]
+        public static readonly nuint XR_MAX_EVENT_DATA_SIZE = unchecked((nuint)((uint)(sizeof(XrEventDataBuffer))));
+    }
+}

tests/ClangSharp.PInvokeGenerator.UnitTests/Baseline/Baselines/SizeOfMacroTestTest/RuntimeSizeofMacroTestWindows.CSharp.Latest.Windows.cs

@@ -0,0 +1,14 @@
+namespace ClangSharp.Test
+{
+    public unsafe partial struct XrEventDataBuffer
+    {
+        [NativeTypeName("const void *")]
+        public void* next;
+    }
+
+    public static unsafe partial class Methods
+    {
+        [NativeTypeName("#define XR_MAX_EVENT_DATA_SIZE sizeof(XrEventDataBuffer)")]
+        public static readonly ulong XR_MAX_EVENT_DATA_SIZE = (uint)(sizeof(XrEventDataBuffer));
+    }
+}

tests/ClangSharp.PInvokeGenerator.UnitTests/SizeOfMacroTest.cs

@@ -0,0 +1,42 @@
+// Copyright (c) .NET Foundation and Contributors. All Rights Reserved. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
+
+using System.Threading.Tasks;
+using ClangSharp.UnitTests.Baseline;
+using NUnit.Framework;
+
+namespace ClangSharp.UnitTests;
+
+public sealed class SizeOfMacroTestTest : StandaloneBaselineTest
+{
+    protected override string Area => "SizeOfMacroTestTest";
+
+    [Test]
+    [Platform("win")]
+    public Task RuntimeSizeofMacroTestWindows()
+    {
+        var inputContents = """
+            typedef struct XrEventDataBuffer {
+                const void* next;
+            } XrEventDataBuffer;
+
+            #define XR_MAX_EVENT_DATA_SIZE sizeof(XrEventDataBuffer)
+            """;
+
+        return ValidateGeneratedCSharpLatestWindowsBaselineAsync(inputContents);
+    }
+
+    [Test]
+    [Platform("unix")]
+    public Task RuntimeSizeofMacroTestUnix()
+    {
+        var inputContents = """
+            typedef struct XrEventDataBuffer {
+                const void* next;
+            } XrEventDataBuffer;
+
+            #define XR_MAX_EVENT_DATA_SIZE sizeof(XrEventDataBuffer)
+            """;
+
+        return ValidateGeneratedCSharpLatestUnixBaselineAsync(inputContents);
+    }
+}