Adding tests for --with-packing output

Author: DaZombieKiller

tests/ClangSharp.PInvokeGenerator.UnitTests/Base/StructDeclarationTest.cs

@@ -206,6 +206,9 @@ public abstract class StructDeclarationTest : PInvokeGeneratorTest
     [Test]
     public Task WithAccessSpecifierTest() => WithAccessSpecifierTestImpl();
 
+    [Test]
+    public Task WithPackingTest() => WithPackingTestImpl();
+
     [Test]
     public Task SourceLocationAttributeTest() => SourceLocationAttributeTestImpl();
 
@@ -279,5 +282,7 @@ public abstract class StructDeclarationTest : PInvokeGeneratorTest
 
     protected abstract Task WithAccessSpecifierTestImpl();
 
+    protected abstract Task WithPackingTestImpl();
+
     protected abstract Task SourceLocationAttributeTestImpl();
 }

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpCompatibleUnix/StructDeclarationTest.cs

@@ -1724,6 +1724,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpCompatibleUnixBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpCompatibleUnixBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpCompatibleWindows/StructDeclarationTest.cs

@@ -1728,6 +1728,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpCompatibleWindowsBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpCompatibleWindowsBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpLatestUnix/StructDeclarationTest.cs

@@ -1702,6 +1702,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpLatestUnixBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpLatestUnixBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpLatestWindows/StructDeclarationTest.cs

@@ -1706,6 +1706,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpLatestWindowsBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpLatestWindowsBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpPreviewUnix/StructDeclarationTest.cs

@@ -1728,6 +1728,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpPreviewUnixBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpPreviewUnixBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct

tests/ClangSharp.PInvokeGenerator.UnitTests/CSharpPreviewWindows/StructDeclarationTest.cs

@@ -1732,6 +1732,27 @@ public partial struct MyStruct3
         return ValidateGeneratedCSharpPreviewWindowsBindingsAsync(inputContents, expectedOutputContents, withAccessSpecifiers: withAccessSpecifiers);
     }
 
+    protected override Task WithPackingTestImpl()
+    {
+        const string InputContents = @"struct MyStruct {};";
+
+        const string ExpectedOutputContents = @"using System.Runtime.InteropServices;
+
+namespace ClangSharp.Test
+{
+    [StructLayout(LayoutKind.Sequential, Pack = CustomPackValue)]
+    public partial struct MyStruct
+    {
+    }
+}
+";
+
+        var withPackings = new Dictionary<string, string> {
+            ["MyStruct"] = "CustomPackValue"
+        };
+        return ValidateGeneratedCSharpPreviewWindowsBindingsAsync(InputContents, ExpectedOutputContents, withPackings: withPackings);
+    }
+
     protected override Task SourceLocationAttributeTestImpl()
     {
         const string InputContents = @"struct MyStruct