From 28951012e3efebb3394db5bccf3013906d18945c Mon Sep 17 00:00:00 2001
From: Susko3 <Susko3@protonmail.com>
Date: Sun, 22 Jun 2025 14:30:20 +0200
Subject: [PATCH 1/2] Add simple tests for SDL_image and SDL_ttf

---
 SDL3-CS.Tests/SDL3-CS.Tests.csproj |  9 +++++++
 SDL3-CS.Tests/TestImage.cs         | 43 ++++++++++++++++++++++++++++++
 SDL3-CS.Tests/TestTTF.cs           | 42 +++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+)
 create mode 100644 SDL3-CS.Tests/TestImage.cs
 create mode 100644 SDL3-CS.Tests/TestTTF.cs

diff --git a/SDL3-CS.Tests/SDL3-CS.Tests.csproj b/SDL3-CS.Tests/SDL3-CS.Tests.csproj
index db77335..392e88b 100644
--- a/SDL3-CS.Tests/SDL3-CS.Tests.csproj
+++ b/SDL3-CS.Tests/SDL3-CS.Tests.csproj
@@ -22,6 +22,15 @@
 
   <ItemGroup>
     <ProjectReference Include="..\SDL3-CS\SDL3-CS.csproj"/>
+    <ProjectReference Include="..\SDL3_image-CS\SDL3_image-CS.csproj"/>
+    <ProjectReference Include="..\SDL3_ttf-CS\SDL3_ttf-CS.csproj"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include="..\External\SDL_image\test\sample.png">
+      <Link>sample.png</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
 </Project>
diff --git a/SDL3-CS.Tests/TestImage.cs b/SDL3-CS.Tests/TestImage.cs
new file mode 100644
index 0000000..545c3bc
--- /dev/null
+++ b/SDL3-CS.Tests/TestImage.cs
@@ -0,0 +1,43 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using static SDL.SDL3_image;
+using static SDL.SDL3;
+
+namespace SDL.Tests
+{
+    public unsafe class TestImage
+    {
+        [Test]
+        public void TestBasic()
+        {
+            const IMG_InitFlags flags = IMG_InitFlags.IMG_INIT_PNG;
+            var actual = IMG_Init(flags);
+
+            try
+            {
+                Assert.That(actual, Is.EqualTo(flags), SDL_GetError);
+                Assert.That(IMG_Version(), Is.EqualTo(SDL_IMAGE_VERSION));
+
+                Assume.That("sample.png", Does.Exist);
+                var image = IMG_Load("sample.png");
+
+                try
+                {
+                    Assert.That(image != null, SDL_GetError);
+                    Assert.That(image->w, Is.EqualTo(23));
+                    Assert.That(image->h, Is.EqualTo(42));
+                }
+                finally
+                {
+                    SDL_DestroySurface(image);
+                }
+            }
+            finally
+            {
+                IMG_Quit();
+            }
+        }
+    }
+}
diff --git a/SDL3-CS.Tests/TestTTF.cs b/SDL3-CS.Tests/TestTTF.cs
new file mode 100644
index 0000000..48fc183
--- /dev/null
+++ b/SDL3-CS.Tests/TestTTF.cs
@@ -0,0 +1,42 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using static SDL.SDL3_ttf;
+using static SDL.SDL3;
+
+namespace SDL.Tests
+{
+    public unsafe class TestTTF
+    {
+        [Test]
+        public void TestBasic()
+        {
+            bool init = TTF_Init();
+
+            try
+            {
+                Assert.That(init, Is.True, SDL_GetError);
+                Assert.That(TTF_Version(), Is.EqualTo(SDL_TTF_VERSION));
+
+                Assume.That(@"C:\Windows\Fonts\times.ttf", Does.Exist);
+                var font = TTF_OpenFont(@"C:\Windows\Fonts\times.ttf", 12f);
+
+                try
+                {
+                    Assert.That(font != null, SDL_GetError);
+                    string? name = PtrToStringUTF8(TTF_GetFontFamilyName(font)); // TODO: fix Unsafe_ generation
+                    Assert.That(name, Is.EqualTo("Times New Roman"));
+                }
+                finally
+                {
+                    TTF_CloseFont(font);
+                }
+            }
+            finally
+            {
+                TTF_Quit();
+            }
+        }
+    }
+}

From 5d7ad9a1b8167d0fd3d5881b0361411fb68f8a15 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Mon, 23 Jun 2025 22:10:36 +0900
Subject: [PATCH 2/2] Init SDL too

---
 SDL3-CS.Tests/TestImage.cs | 3 +++
 SDL3-CS.Tests/TestTTF.cs   | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/SDL3-CS.Tests/TestImage.cs b/SDL3-CS.Tests/TestImage.cs
index 545c3bc..845cce2 100644
--- a/SDL3-CS.Tests/TestImage.cs
+++ b/SDL3-CS.Tests/TestImage.cs
@@ -12,6 +12,8 @@ namespace SDL.Tests
         [Test]
         public void TestBasic()
         {
+            SDL_Init(0);
+
             const IMG_InitFlags flags = IMG_InitFlags.IMG_INIT_PNG;
             var actual = IMG_Init(flags);
 
@@ -37,6 +39,7 @@ namespace SDL.Tests
             finally
             {
                 IMG_Quit();
+                SDL_Quit();
             }
         }
     }
diff --git a/SDL3-CS.Tests/TestTTF.cs b/SDL3-CS.Tests/TestTTF.cs
index 48fc183..bb3a625 100644
--- a/SDL3-CS.Tests/TestTTF.cs
+++ b/SDL3-CS.Tests/TestTTF.cs
@@ -12,6 +12,8 @@ namespace SDL.Tests
         [Test]
         public void TestBasic()
         {
+            SDL_Init(0);
+
             bool init = TTF_Init();
 
             try
@@ -36,6 +38,7 @@ namespace SDL.Tests
             finally
             {
                 TTF_Quit();
+                SDL_Quit();
             }
         }
     }