Make sure to copy linux native files around

binding/HarfBuzzSharp.Desktop/HarfBuzzSharp.Desktop.csproj

@@ -58,6 +58,14 @@
       <Link>nuget\runtimes\osx\native\libHarfBuzzSharp.dylib</Link>
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Include="..\..\native-builds\lib\linux\x64\libHarfBuzzSharp.so" Condition="Exists('..\..\native-builds\lib\linux\x64\libHarfBuzzSharp.so')">
+      <Link>nuget\runtimes\linux-x64\native\libHarfBuzzSharp.so</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="..\..\native-builds\lib\linux\x86\libHarfBuzzSharp.so" Condition="Exists('..\..\native-builds\lib\linux\x86\libHarfBuzzSharp.so')">
+      <Link>nuget\runtimes\linux-x86\native\libHarfBuzzSharp.so</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <None Include="nuget\build\net45\HarfBuzzSharp.Desktop.targets">

binding/SkiaSharp.Desktop/SkiaSharp.Desktop.csproj

@@ -62,6 +62,14 @@
       <Link>nuget\runtimes\osx\native\libSkiaSharp.dylib</Link>
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Include="..\..\native-builds\lib\linux\x64\libSkiaSharp.so" Condition="Exists('..\..\native-builds\lib\linux\x64\libSkiaSharp.so')">
+      <Link>nuget\runtimes\linux-x64\native\libSkiaSharp.so</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="..\..\native-builds\lib\linux\x86\libSkiaSharp.so" Condition="Exists('..\..\native-builds\lib\linux\x86\libSkiaSharp.so')">
+      <Link>nuget\runtimes\linux-x86\native\libSkiaSharp.so</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <None Include="nuget\build\net45\SkiaSharp.Desktop.targets">

tests/Tests/SKTest.cs

@@ -9,6 +9,33 @@ namespace SkiaSharp.Tests
 {
 	public abstract class SKTest
 	{
+#if !NET_STANDARD
+		static SKTest()
+		{
+			// some platforms run the tests from a temporary location
+
+			var skiaRoot = Path.GetDirectoryName(typeof(SkiaSharp.SKImageInfo).Assembly.Location);
+			var harfRoot = Path.GetDirectoryName(typeof(HarfBuzzSharp.Buffer).Assembly.Location);
+
+			foreach (var file in Directory.GetFiles(PathToAssembly))
+			{
+				var fname = Path.GetFileNameWithoutExtension(file);
+
+				var skiaDest = Path.Combine(skiaRoot, Path.GetFileName(file));
+				if (fname == "libSkiaSharp" && !File.Exists(skiaDest))
+				{
+					File.Copy(file, skiaDest, true);
+				}
+
+				var harfDest = Path.Combine(harfRoot, Path.GetFileName(file));
+				if (fname == "libHarfBuzzSharp" && !File.Exists(harfDest))
+				{
+					File.Copy(file, harfDest, true);
+				}
+			}
+		}
+#endif
+
 		protected const string Category = nameof(Category);
 		protected const string GpuCategory = "GPU";