Added BlittableHelper for testing structs.

Raylib-cs.Tests/BlittableHelper.cs

@@ -0,0 +1,85 @@
+// For more information see the blog post: https://aakinshin.net/posts/blittable/
+// Original code derived from: https://github.com/AndreyAkinshin/BlittableStructs/blob/master/BlittableStructs/BlittableHelper.cs
+
+/*
+MIT License
+Copyright (c) 2015 Andrey Akinshin
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+/*
+MIT License
+Copyright (c) 2020 Lucas Girouard-Stranks
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+using System;
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+
+namespace Raylib_cs.Tests
+{
+    public static class BlittableHelper
+    {
+        public static bool IsBlittable<T>()
+        {
+            return IsBlittableCache<T>.Value;
+        }
+
+        public static bool IsBlittable(this Type type)
+        {
+            if (type == typeof(decimal))
+            {
+                return false;
+            }
+            if (type.IsArray)
+            {
+                var elementType = type.GetElementType();
+                return elementType != null && elementType.IsValueType && IsBlittable(elementType);
+            }
+            try
+            {
+                var instance = FormatterServices.GetUninitializedObject(type);
+                GCHandle.Alloc(instance, GCHandleType.Pinned).Free();
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        private static class IsBlittableCache<T>
+        {
+            public static readonly bool Value = IsBlittable(typeof(T));
+        }
+    }
+}

Raylib-cs.Tests/Raylib-cs.Tests.csproj

@@ -1,6 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
     <TargetFrameworks>net47;netcoreapp3.1</TargetFrameworks>
     <Platforms>x64</Platforms>
   </PropertyGroup>