Add iOS device tests (#1638)

2021-02-21 18:11:28 +02:00 · 2021-02-21 18:11:28 +02:00 · ec4f45adc3
--- a/build.cake
+++ b/build.cake
@ -139,7 +139,8 @@ Task ("tests")
    .Description ("Run all tests.")
    .IsDependentOn ("tests-netfx")
    .IsDependentOn ("tests-netcore")
-    .IsDependentOn ("tests-android");
+    .IsDependentOn ("tests-android")
+    .IsDependentOn ("tests-ios");

 Task ("tests-netfx")
    .Description ("Run all Full .NET Framework tests.")
@ -240,7 +241,7 @@ Task ("tests-android")
    // SkiaSharp.Android.Tests.csproj
    try {
        // build the solution to copy all the files
-        RunMSBuild ("./tests/SkiaSharp.Mobile.Tests.sln", configuration: "Debug");
+        RunMSBuild ("./tests/SkiaSharp.Android.Tests.sln", configuration: "Debug");
        // package the app
        FilePath csproj = "./tests/SkiaSharp.Android.Tests/SkiaSharp.Android.Tests.csproj";
        RunMSBuild (csproj,
@ -267,6 +268,46 @@ Task ("tests-android")
    }
 });

+Task ("tests-ios")
+    .Description ("Run all iOS tests.")
+    .IsDependentOn ("externals")
+    .Does (() =>
+{
+    var failedTests = 0;
+
+    CleanDirectories ($"{PACKAGE_CACHE_PATH}/skiasharp*");
+    CleanDirectories ($"{PACKAGE_CACHE_PATH}/harfbuzzsharp*");
+
+    // SkiaSharp.iOS.Tests.csproj
+    try {
+        // build the solution to copy all the files
+        RunMSBuild ("./tests/SkiaSharp.iOS.Tests.sln", configuration: "Debug");
+        // package the app
+        FilePath csproj = "./tests/SkiaSharp.iOS.Tests/SkiaSharp.iOS.Tests.csproj";
+        RunMSBuild (csproj,
+            properties: new Dictionary<string, string> { { "BuildIpa", "true" } },
+            platform: "iPhoneSimulator",
+            configuration: "Debug");
+        // run the tests
+        DirectoryPath results = "./output/testlogs/SkiaSharp.iOS.Tests";
+        RunCake ("./cake/xharness-ios.cake", "Default", new Dictionary<string, string> {
+            { "project", MakeAbsolute(csproj).FullPath },
+            { "configuration", "Debug" },
+            { "exclusive", "true" },
+            { "results", MakeAbsolute(results).FullPath },
+        });
+    } catch {
+        failedTests++;
+    }
+
+    if (failedTests > 0) {
+        if (THROW_ON_TEST_FAILURE)
+            throw new Exception ($"There were {failedTests} failed tests.");
+        else
+            Warning ($"There were {failedTests} failed tests.");
+    }
+});
+
 Task ("tests-wasm")
    .Description ("Run WASM tests.")
    .IsDependentOn ("externals-wasm")
--- a/cake/msbuild.cake
+++ b/cake/msbuild.cake
@ -9,7 +9,8 @@ void RunMSBuild(
    bool restore = true,
    bool bl = true,
    string[] targets = null,
-    string configuration = null)
+    string configuration = null,
+    Dictionary<string, string> properties = null)
 {
    var nugetSources = new [] {
        OUTPUT_NUGETS_PATH.FullPath,
@ -61,6 +62,12 @@ void RunMSBuild(

        c.Properties ["RestoreNoCache"] = new [] { "true" };
        c.Properties ["RestorePackagesPath"] = new [] { PACKAGE_CACHE_PATH.FullPath };
+
+        if (properties != null) {
+            foreach (var prop in properties) {
+                c.Properties [prop.Key] = new [] { prop.Value };
+            }
+        }
        // c.Properties ["RestoreSources"] = nugetSources;
        var sep = IsRunningOnWindows() ? ";" : "%3B";
        c.ArgumentCustomization = args => args.Append($"/p:RestoreSources=\"{string.Join(sep, nugetSources)}\"");
--- a/cake/xharness-android.cake
+++ b/cake/xharness-android.cake
@ -173,7 +173,7 @@ Task("Default")
        $"--output-directory=\"{TEST_RESULTS}\" " +
        $"--verbosity=\"Debug\" ");

-    var failed = XmlPeek($"{TEST_RESULTS}/TestResults.xml", "/assemblies/assembly[@failed > 0]/@failed");
+    var failed = XmlPeek($"{TEST_RESULTS}/TestResults.xml", "/assemblies/assembly[@failed > 0 or @errors > 0]/@failed");
    if (!string.IsNullOrEmpty(failed)) {
        throw new Exception($"At least {failed} test(s) failed.");
    }
--- a/cake/xharness-ios.cake
+++ b/cake/xharness-ios.cake
@ -0,0 +1,60 @@
+DirectoryPath ROOT_PATH = MakeAbsolute(Directory(".."));
+
+#load "shared.cake"
+
+// required
+FilePath PROJECT = Argument("project", EnvironmentVariable("IOS_TEST_PROJECT") ?? "");
+string TEST_DEVICE = Argument("device", EnvironmentVariable("IOS_TEST_DEVICE") ?? "ios-simulator-64_14.4"); // comma separated in the form <platform>-<device|simulator>[-<32|64>][_<version>] (eg: ios-simulator-64_13.4,[...])
+
+// optional
+var TEST_APP = Argument("app", EnvironmentVariable("IOS_TEST_APP") ?? "");
+var TEST_RESULTS = Argument("results", EnvironmentVariable("IOS_TEST_RESULTS") ?? "");
+
+// other
+string PLATFORM = TEST_DEVICE.ToLower().Contains("simulator") ? "iPhoneSimulator" : "iPhone";
+
+Information("Project File: {0}", PROJECT);
+
+Task("Default")
+    .Does(() =>
+{
+    if (string.IsNullOrEmpty(TEST_APP)) {
+        if (string.IsNullOrEmpty(PROJECT.FullPath))
+            throw new Exception("If no app was specified, an app must be provided.");
+        var binDir = PROJECT.GetDirectory().Combine("bin").Combine(PLATFORM).Combine(CONFIGURATION).FullPath;
+        var apps = GetDirectories(binDir + "/*.app");
+        TEST_APP = apps.First().FullPath;
+    }
+    if (string.IsNullOrEmpty(TEST_RESULTS)) {
+        TEST_RESULTS = TEST_APP + "-results";
+    }
+
+    Information("Test App: {0}", TEST_APP);
+    Information("Test Device: {0}", TEST_DEVICE);
+    Information("Test App: {0}", TEST_APP);
+    Information("Test Results Directory: {0}", TEST_RESULTS);
+
+    CleanDirectories(TEST_RESULTS);
+
+    try {
+        RunProcess("xharness", "apple test " +
+            $"--app=\"{TEST_APP}\" " +
+            $"--targets=\"{TEST_DEVICE}\" " +
+            $"--output-directory=\"{TEST_RESULTS}\" " +
+            $"--verbosity=\"Debug\" ");
+    } finally {
+        // ios test result files are weirdly named, so fix it up
+        var resultsFile = GetFiles($"{TEST_RESULTS}/xunit-test-*.xml").FirstOrDefault();
+        if (FileExists(resultsFile)) {
+            CopyFile(resultsFile, resultsFile.GetDirectory().CombineWithFilePath("TestResults.xml"));
+        }
+    }
+
+    // this _may_ not be needed, but just in case
+    var failed = XmlPeek($"{TEST_RESULTS}/TestResults.xml", "/assemblies/assembly[@failed > 0 or @errors > 0]/@failed");
+    if (!string.IsNullOrEmpty(failed)) {
+        throw new Exception($"At least {failed} test(s) failed.");
+    }
+});
+
+RunTarget(TARGET);
--- a/scripts/azure-pipelines.yml
+++ b/scripts/azure-pipelines.yml
@ -594,6 +594,38 @@ stages:
              inputs:
                artifactName: testlogs_android
                pathToPublish: 'output/testlogs'
+      - template: azure-templates-bootstrapper.yml # Tests|ios (macOS)
+        parameters:
+          name: tests_ios_macos
+          displayName: iOS (macOS)
+          vmImage: $(VM_IMAGE_MAC)
+          target: tests-ios
+          additionalArgs: --device=ios-simulator-64 --skipExternals="all" --throwOnTestFailure=$(THROW_ON_TEST_FAILURE) --coverage=$(ENABLE_CODE_COVERAGE)
+          shouldPublish: false
+          requiredArtifacts:
+            - native_ios_macos
+          preBuildSteps:
+            - template: azure-templates-provisioning-profiles.yml
+            - pwsh: |
+                dotnet tool install Microsoft.DotNet.XHarness.CLI `
+                  --global `
+                  --add-source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json `
+                  --version "1.0.0-prerelease*"
+              displayName: Install the xharness .NET Core tool
+          postBuildSteps:
+            - task: PublishTestResults@2
+              displayName: Publish the iOS test results
+              condition: always()
+              inputs:
+                testResultsFormat: xUnit
+                testResultsFiles: 'output/testlogs/SkiaSharp.iOS.Tests/**/TestResults.xml'
+                testRunTitle: 'iOS Tests'
+            - task: PublishBuildArtifacts@1
+              displayName: Publish the test logs
+              condition: always()
+              inputs:
+                artifactName: testlogs_ios
+                pathToPublish: 'output/testlogs'
      - template: azure-templates-bootstrapper.yml # Tests|netfx (Linux)
        parameters:
          name: tests_netfx_linux
@ -722,21 +754,7 @@ stages:
          requiredArtifacts:
            - nuget
          preBuildSteps:
-            - task: InstallAppleCertificate@2
-              inputs:
-                certSecureFile: 'SkiaSharp iOS Certificate.p12'
-            - task: InstallAppleCertificate@2
-              inputs:
-                certSecureFile: 'SkiaSharp Mac Certificate.p12'
-            - task: InstallAppleProvisioningProfile@1
-              inputs:
-                provProfileSecureFile: 'SkiaSharp iOS Provisioning.mobileprovision'
-            - task: InstallAppleProvisioningProfile@1
-              inputs:
-                provProfileSecureFile: 'SkiaSharp Mac Provisioning.provisionprofile'
-            - task: InstallAppleProvisioningProfile@1
-              inputs:
-                provProfileSecureFile: 'SkiaSharp tvOS Provisioning.mobileprovision'
+            - template: azure-templates-provisioning-profiles.yml
            - pwsh: |
                New-Item '.\output\nugets\' -Type Directory -Force | Out-Null
                Get-ChildItem '.\output\*.nupkg' | Move-Item -Destination '.\output\nugets\'
--- a/scripts/azure-templates-provisioning-profiles.yml
+++ b/scripts/azure-templates-provisioning-profiles.yml
@ -0,0 +1,16 @@
+steps:
+  - task: InstallAppleCertificate@2
+    inputs:
+      certSecureFile: 'SkiaSharp iOS Certificate.p12'
+  - task: InstallAppleCertificate@2
+    inputs:
+      certSecureFile: 'SkiaSharp Mac Certificate.p12'
+  - task: InstallAppleProvisioningProfile@1
+    inputs:
+      provProfileSecureFile: 'SkiaSharp iOS Provisioning.mobileprovision'
+  - task: InstallAppleProvisioningProfile@1
+    inputs:
+      provProfileSecureFile: 'SkiaSharp Mac Provisioning.provisionprofile'
+  - task: InstallAppleProvisioningProfile@1
+    inputs:
+      provProfileSecureFile: 'SkiaSharp tvOS Provisioning.mobileprovision'
--- a/tests/SkiaSharp.Android.Tests.sln
+++ b/tests/SkiaSharp.Android.Tests.sln
@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SkiaSharp.HarfBuzz", "..\so
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SkiaSharp.Views.Android", "..\source\SkiaSharp.Views\SkiaSharp.Views.Android\SkiaSharp.Views.Android.csproj", "{16922662-C540-4865-876D-94ED3211521B}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SkiaSharp.Views.Forms.Android", "..\source\SkiaSharp.Views.Forms\SkiaSharp.Views.Forms.Android\SkiaSharp.Views.Forms.Android.csproj", "{F962E49D-DC1F-4E93-9F6B-335E2746BCF1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@ -41,6 +43,10 @@ Global
 		{16922662-C540-4865-876D-94ED3211521B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{16922662-C540-4865-876D-94ED3211521B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{16922662-C540-4865-876D-94ED3211521B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F962E49D-DC1F-4E93-9F6B-335E2746BCF1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F962E49D-DC1F-4E93-9F6B-335E2746BCF1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F962E49D-DC1F-4E93-9F6B-335E2746BCF1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F962E49D-DC1F-4E93-9F6B-335E2746BCF1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
--- a/tests/SkiaSharp.Android.Tests/MainActivity.cs
+++ b/tests/SkiaSharp.Android.Tests/MainActivity.cs
@ -13,7 +13,7 @@ namespace SkiaSharp.Tests
 		{
 			Xamarin.Essentials.Platform.Init(this, bundle);

-			AssetCopier.CopyAssets(this);
+			AssetCopier.CopyAssets();

 			AddTestAssembly(Assembly.GetExecutingAssembly());
 			AddExecutionAssembly(Assembly.GetExecutingAssembly());
--- a/tests/SkiaSharp.Android.Tests/SkiaSharp.Android.Tests.csproj
+++ b/tests/SkiaSharp.Android.Tests/SkiaSharp.Android.Tests.csproj
@ -9,7 +9,6 @@
    <RootNamespace>SkiaSharp.Tests</RootNamespace>
    <AssemblyName>SkiaSharp.Tests</AssemblyName>
    <TargetFrameworkVersion>v10.0</TargetFrameworkVersion>
-    <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
    <AndroidApplication>True</AndroidApplication>
    <AndroidUseIntermediateDesignerFile>true</AndroidUseIntermediateDesignerFile>
    <AndroidResgenClass>Resource</AndroidResgenClass>
@ -23,6 +22,7 @@
    <SkipMDocGenerateDocs>true</SkipMDocGenerateDocs>
    <SkipCopyToOutputDirectory>true</SkipCopyToOutputDirectory>
    <SignAssembly>false</SignAssembly>
+    <AndroidSupportedAbis>armeabi-v7a;x86;x86_64;arm64-v8a</AndroidSupportedAbis>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
@ -33,7 +33,6 @@
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
    <AndroidLinkMode>None</AndroidLinkMode>
-    <AndroidSupportedAbis>armeabi-v7a;x86;x86_64;arm64-v8a</AndroidSupportedAbis>
    <JavaMaximumHeapSize>1G</JavaMaximumHeapSize>
    <AotAssemblies>false</AotAssemblies>
    <EnableLLVM>false</EnableLLVM>
@ -52,7 +51,6 @@
    <WarningLevel>4</WarningLevel>
    <AndroidManagedSymbols>true</AndroidManagedSymbols>
    <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
-    <AndroidSupportedAbis>armeabi-v7a;x86;x86_64;arm64-v8a</AndroidSupportedAbis>
    <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
    <JavaMaximumHeapSize>1G</JavaMaximumHeapSize>
    <AndroidLinkMode>None</AndroidLinkMode>
@ -86,18 +84,21 @@
      <Project>{4c5f53b5-9dfd-4cc6-8fae-98b4f40cb33a}</Project>
      <Name>SkiaSharp.HarfBuzz</Name>
    </ProjectReference>
+    <ProjectReference Include="..\..\source\SkiaSharp.Views.Forms\SkiaSharp.Views.Forms.Android\SkiaSharp.Views.Forms.Android.csproj">
+      <Project>{f962e49d-dc1f-4e93-9f6b-335e2746bcf1}</Project>
+      <Name>SkiaSharp.Views.Forms.Android</Name>
+    </ProjectReference>
    <ProjectReference Include="..\..\source\SkiaSharp.Views\SkiaSharp.Views.Android\SkiaSharp.Views.Android.csproj">
      <Project>{16922662-c540-4865-876d-94ed3211521b}</Project>
      <Name>SkiaSharp.Views.Android</Name>
    </ProjectReference>
  </ItemGroup>
  <ItemGroup>
-    <Compile Include="AssetCopier.cs" />
    <Compile Include="MainActivity.cs" />
    <Compile Include="TestInstrumentation.cs" />
  </ItemGroup>
  <ItemGroup>
-    <Compile Include="..\Tests\**\*.cs" Link="%(RecursiveDir)%(FileName)%(Extension)" />
+    <Compile Include="..\Tests\**\*.cs" Link="%(RecursiveDir)%(FileName)%(Extension)" Exclude="..\Tests\GlContexts\*\*;..\Tests\PlatformUtils\*\*" />
    <Compile Include="..\..\binding\Binding.Shared\LibraryLoader.cs" Link="PlatformUtils\LibraryLoader.cs" />
  </ItemGroup>
  <ItemGroup>
--- a/tests/SkiaSharp.Android.Tests/TestInstrumentation.cs
+++ b/tests/SkiaSharp.Android.Tests/TestInstrumentation.cs
@ -30,7 +30,7 @@ namespace SkiaSharp.Tests
 		{
 			base.OnCreate(arguments);

-			AssetCopier.CopyAssets(Context);
+			AssetCopier.CopyAssets();

 			resultsFileName = arguments.GetString("results-file-name", "TestResults.xml");

--- a/tests/SkiaSharp.iOS.Tests.sln
+++ b/tests/SkiaSharp.iOS.Tests.sln
@ -0,0 +1,107 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.808.5
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SkiaSharp.iOS", "..\binding\SkiaSharp.iOS\SkiaSharp.iOS.csproj", "{A4146A87-DB60-4A17-A179-0E2E4255A08E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HarfBuzzSharp.iOS", "..\binding\HarfBuzzSharp.iOS\HarfBuzzSharp.iOS.csproj", "{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SkiaSharp.HarfBuzz", "..\source\SkiaSharp.HarfBuzz\SkiaSharp.HarfBuzz\SkiaSharp.HarfBuzz.csproj", "{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SkiaSharp.Views.iOS", "..\source\SkiaSharp.Views\SkiaSharp.Views.iOS\SkiaSharp.Views.iOS.csproj", "{549F8E22-A756-4E99-A84A-C4E74832DA95}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SkiaSharp.Views.Forms.iOS", "..\source\SkiaSharp.Views.Forms\SkiaSharp.Views.Forms.iOS\SkiaSharp.Views.Forms.iOS.csproj", "{0254162B-6B4A-459E-BD96-3A42A104C144}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SkiaSharp.iOS.Tests", "SkiaSharp.iOS.Tests\SkiaSharp.iOS.Tests.csproj", "{B73EB308-70BE-49FD-91A7-1D1495663D6D}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+		Debug|iPhoneSimulator = Debug|iPhoneSimulator
+		Release|iPhoneSimulator = Release|iPhoneSimulator
+		Debug|iPhone = Debug|iPhone
+		Release|iPhone = Release|iPhone
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{A4146A87-DB60-4A17-A179-0E2E4255A08E}.Release|iPhone.Build.0 = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}.Release|iPhone.Build.0 = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}.Release|iPhone.Build.0 = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|Any CPU.Build.0 = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{549F8E22-A756-4E99-A84A-C4E74832DA95}.Release|iPhone.Build.0 = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{0254162B-6B4A-459E-BD96-3A42A104C144}.Release|iPhone.Build.0 = Release|Any CPU
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|Any CPU.ActiveCfg = Debug|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|Any CPU.Build.0 = Debug|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|Any CPU.ActiveCfg = Release|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|Any CPU.Build.0 = Release|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|iPhoneSimulator.ActiveCfg = Debug|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|iPhoneSimulator.Build.0 = Debug|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|iPhone.ActiveCfg = Debug|iPhone
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Debug|iPhone.Build.0 = Debug|iPhone
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|iPhone.ActiveCfg = Release|iPhone
+		{B73EB308-70BE-49FD-91A7-1D1495663D6D}.Release|iPhone.Build.0 = Release|iPhone
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {35C58E22-5C43-4580-AE38-8F774B6C98EC}
+	EndGlobalSection
+EndGlobal
--- a/tests/SkiaSharp.iOS.Tests/AppDelegate.cs
+++ b/tests/SkiaSharp.iOS.Tests/AppDelegate.cs
@ -0,0 +1,21 @@
+using System.Reflection;
+using Foundation;
+using UIKit;
+
+namespace SkiaSharp.Tests
+{
+    [Register(nameof(AppDelegate))]
+    public partial class AppDelegate : Xunit.Runner.RunnerAppDelegate
+    {
+        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
+        {
+            // We need this to ensure the execution assembly is part of the app bundle
+            AddExecutionAssembly(Assembly.GetExecutingAssembly());
+
+            // tests can be inside the main assembly
+            AddTestAssembly(Assembly.GetExecutingAssembly());
+
+            return base.FinishedLaunching(app, options);
+        }
+    }
+}
--- a/tests/SkiaSharp.iOS.Tests/Entitlements.plist
+++ b/tests/SkiaSharp.iOS.Tests/Entitlements.plist
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+</dict>
+</plist>
--- a/tests/SkiaSharp.iOS.Tests/Info.plist
+++ b/tests/SkiaSharp.iOS.Tests/Info.plist
@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>1</integer>
+		<integer>2</integer>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>MinimumOSVersion</key>
+	<string>10.0</string>
+	<key>CFBundleDisplayName</key>
+	<string>Tests</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.mono.skiasharp.tests</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>CFBundleName</key>
+	<string>Tests</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+</dict>
+</plist>
--- a/tests/SkiaSharp.iOS.Tests/Main.cs
+++ b/tests/SkiaSharp.iOS.Tests/Main.cs
@ -0,0 +1,18 @@
+using System;
+using UIKit;
+
+namespace SkiaSharp.Tests
+{
+    public class Application
+    {
+        static void Main(string[] args)
+        {
+            AssetCopier.CopyAssets();
+
+            if (args?.Length > 0 || Environment.GetEnvironmentVariable("NUNIT_AUTOEXIT")?.Length > 0) // usually means this is from xharness
+                UIApplication.Main(args, null, nameof(TestApplicationDelegate));
+            else
+                UIApplication.Main(args, null, nameof(AppDelegate));
+        }
+    }
+}
--- a/tests/SkiaSharp.iOS.Tests/Resources/LaunchScreen.storyboard
+++ b/tests/SkiaSharp.iOS.Tests/Resources/LaunchScreen.storyboard
@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6245" systemVersion="13F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="X5k-f2-b5h">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6238"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="gAE-YM-kbH">
+            <objects>
+                <viewController id="X5k-f2-b5h" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Y8P-hJ-Z43"/>
+                        <viewControllerLayoutGuide type="bottom" id="9ZL-r4-8FZ"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="yd7-JS-zBw">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                        <constraints>
+                            <constraint firstItem="23" firstAttribute="centerY" secondItem="yd7-JS-zBw" secondAttribute="centerY" priority="1" id="39"/>
+                            <constraint firstItem="23" firstAttribute="centerX" secondItem="yd7-JS-zBw" secondAttribute="centerX" priority="1" id="41"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="XAI-xm-WK6" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="349" y="339"/>
+        </scene>
+    </scenes>
+    <resources>
+    </resources>
+</document>
--- a/tests/SkiaSharp.iOS.Tests/SkiaSharp.iOS.Tests.csproj
+++ b/tests/SkiaSharp.iOS.Tests/SkiaSharp.iOS.Tests.csproj
@ -0,0 +1,138 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{B73EB308-70BE-49FD-91A7-1D1495663D6D}</ProjectGuid>
+    <ProjectTypeGuids>{FEACFBD2-3405-455C-9665-78FE426C6842};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <AssemblyName>SkiaSharp.Tests</AssemblyName>
+    <RootNamespace>SkiaSharp.Tests</RootNamespace>
+    <IPhoneResourcePrefix>Resources</IPhoneResourcePrefix>
+    <SkipGenerateAssemblyVersionInfo>true</SkipGenerateAssemblyVersionInfo>
+    <SkipMDocGenerateDocs>true</SkipMDocGenerateDocs>
+    <SkipCopyToOutputDirectory>true</SkipCopyToOutputDirectory>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG;USE_LIBRARY_LOADER</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <MtouchArch>x86_64</MtouchArch>
+    <MtouchLink>None</MtouchLink>
+    <MtouchDebug>true</MtouchDebug>
+    <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
+    <DefineConstants>USE_LIBRARY_LOADER</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchLink>SdkOnly</MtouchLink>
+    <MtouchExtraArgs>--linkskip=Xamarin.Forms.Platform.iOS --linkskip=Xamarin.Forms.Platform --linkskip=Xamarin.Forms.Core --linkskip=Xamarin.Forms.Xaml</MtouchExtraArgs>
+    <MtouchArch>x86_64</MtouchArch>
+    <ConsolePause>false</ConsolePause>
+    <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG;USE_LIBRARY_LOADER</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchLink>SdkOnly</MtouchLink>
+    <MtouchExtraArgs>--linkskip=Xamarin.Forms.Platform.iOS --linkskip=Xamarin.Forms.Platform --linkskip=Xamarin.Forms.Core --linkskip=Xamarin.Forms.Xaml</MtouchExtraArgs>
+    <ConsolePause>false</ConsolePause>
+    <MtouchArch>ARM64</MtouchArch>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchDebug>true</MtouchDebug>
+    <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <DefineConstants>USE_LIBRARY_LOADER</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchLink>SdkOnly</MtouchLink>
+    <MtouchExtraArgs>--linkskip=Xamarin.Forms.Platform.iOS --linkskip=Xamarin.Forms.Platform --linkskip=Xamarin.Forms.Core --linkskip=Xamarin.Forms.Xaml</MtouchExtraArgs>
+    <MtouchArch>ARM64</MtouchArch>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="Xamarin.iOS" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Xamarin.Essentials" Version="1.6.1" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.725" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.devices" Version="2.5.25" />
+    <PackageReference Include="xunit.skippablefact" Version="1.4.13" />
+    <PackageReference Include="Validation" Version="2.4.22" />
+    <PackageReference Include="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="1.0.0-prerelease.20602.1" />
+    <PackageReference Include="System.Memory" Version="4.5.3" ExcludeAssets="all" />
+    <PackageReference Include="System.Buffers" Version="4.5.1" ExcludeAssets="all" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="AppDelegate.cs" />
+    <Compile Include="TestApplicationDelegate.cs" />
+    <None Include="Entitlements.plist" />
+    <None Include="Info.plist" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Tests\**\*.cs" Link="%(RecursiveDir)%(FileName)%(Extension)" Exclude="..\Tests\GlContexts\*\*;..\Tests\PlatformUtils\*\*" />
+    <Compile Include="..\..\binding\Binding.Shared\LibraryLoader.cs" Link="PlatformUtils\LibraryLoader.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="..\Content\**\*" Link="Content\%(RecursiveDir)%(FileName)%(Extension)" />
+  </ItemGroup>
+  <ItemGroup>
+    <InterfaceDefinition Include="Resources\LaunchScreen.storyboard" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\binding\HarfBuzzSharp.iOS\HarfBuzzSharp.iOS.csproj">
+      <Project>{D958E2E9-DE32-42E8-AB10-D25E4186C4E1}</Project>
+      <Name>HarfBuzzSharp.iOS</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\source\SkiaSharp.HarfBuzz\SkiaSharp.HarfBuzz\SkiaSharp.HarfBuzz.csproj">
+      <Project>{A5614B8C-31C8-43A3-9BF9-2719E4BE4D36}</Project>
+      <Name>SkiaSharp.HarfBuzz</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\binding\SkiaSharp.iOS\SkiaSharp.iOS.csproj">
+      <Project>{A4146A87-DB60-4A17-A179-0E2E4255A08E}</Project>
+      <Name>SkiaSharp.iOS</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\source\SkiaSharp.Views.Forms\SkiaSharp.Views.Forms.iOS\SkiaSharp.Views.Forms.iOS.csproj">
+      <Project>{0254162B-6B4A-459E-BD96-3A42A104C144}</Project>
+      <Name>SkiaSharp.Views.Forms.iOS</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\source\SkiaSharp.Views\SkiaSharp.Views.iOS\SkiaSharp.Views.iOS.csproj">
+      <Project>{549F8E22-A756-4E99-A84A-C4E74832DA95}</Project>
+      <Name>SkiaSharp.Views.iOS</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
+  <Import Project="..\..\output\SkiaSharp\nuget\build\xamarinios1.0\SkiaSharp.targets" Condition="Exists('..\..\output\SkiaSharp\nuget\build\xamarinios1.0\SkiaSharp.targets')" />
+  <Import Project="..\..\output\HarfBuzzSharp\nuget\build\xamarinios1.0\HarfBuzzSharp.targets" Condition="Exists('..\..\output\HarfBuzzSharp\nuget\build\xamarinios1.0\HarfBuzzSharp.targets')" />
+</Project>
--- a/tests/SkiaSharp.iOS.Tests/TestApplicationDelegate.cs
+++ b/tests/SkiaSharp.iOS.Tests/TestApplicationDelegate.cs
@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Reflection;
+using Foundation;
+using Microsoft.DotNet.XHarness.TestRunners.Common;
+using Microsoft.DotNet.XHarness.TestRunners.Xunit;
+using UIKit;
+using Xamarin.Essentials;
+
+namespace SkiaSharp.Tests
+{
+    [Register(nameof(TestApplicationDelegate))]
+    public class TestApplicationDelegate : UIApplicationDelegate
+    {
+        public override UIWindow Window { get; set; }
+
+        public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
+        {
+            Window = new UIWindow(UIScreen.MainScreen.Bounds)
+            {
+                RootViewController = new ViewController()
+            };
+            Window.MakeKeyAndVisible();
+
+            return true;
+        }
+
+        class ViewController : UIViewController
+        {
+            public override async void ViewDidLoad()
+            {
+                base.ViewDidLoad();
+
+                var entryPoint = new TestsEntryPoint();
+
+                await entryPoint.RunAsync();
+            }
+        }
+
+        class TestsEntryPoint : iOSApplicationEntryPoint
+        {
+            protected override bool LogExcludedTests => true;
+
+            protected override int? MaxParallelThreads => Environment.ProcessorCount;
+
+            protected override IDevice Device { get; } = new TestDevice();
+
+            protected override IEnumerable<TestAssemblyInfo> GetTestAssemblies()
+            {
+                yield return new TestAssemblyInfo(Assembly.GetExecutingAssembly(), Assembly.GetExecutingAssembly().Location);
+            }
+
+            protected override void TerminateWithSuccess()
+            {
+                Console.WriteLine("Exiting test run with success");
+
+                var s = new ObjCRuntime.Selector("terminateWithSuccess");
+                UIApplication.SharedApplication.PerformSelector(s, UIApplication.SharedApplication, 0);
+            }
+
+            protected override TestRunner GetTestRunner(LogWriter logWriter)
+            {
+                var testRunner = base.GetTestRunner(logWriter);
+                return testRunner;
+            }
+        }
+
+        class TestDevice : IDevice
+        {
+            public string BundleIdentifier => AppInfo.PackageName;
+
+            public string UniqueIdentifier => Guid.NewGuid().ToString("N");
+
+            public string Name => DeviceInfo.Name;
+
+            public string Model => DeviceInfo.Model;
+
+            public string SystemName => DeviceInfo.Platform.ToString();
+
+            public string SystemVersion => DeviceInfo.VersionString;
+
+            public string Locale => CultureInfo.CurrentCulture.Name;
+        }
+    }
+}
--- a/tests/Tests/BaseTest.cs
+++ b/tests/Tests/BaseTest.cs
@ -27,7 +27,7 @@ namespace SkiaSharp.Tests
 		static BaseTest()
 		{
 			// the the base paths
-#if __ANDROID__
+#if __ANDROID__ || __IOS__
 			PathToAssembly = Xamarin.Essentials.FileSystem.CacheDirectory;
 #else
 			PathToAssembly = Directory.GetCurrentDirectory();
@ -36,7 +36,7 @@ namespace SkiaSharp.Tests
 			PathToImages = Path.Combine(PathToAssembly, "images");

 			// some platforms run the tests from a temporary location, so copy the native files
-#if !NET_STANDARD && !__ANDROID__
+#if !NET_STANDARD && !__ANDROID__ && !__IOS__
 			var skiaRoot = Path.GetDirectoryName(typeof(SkiaSharp.SKImageInfo).Assembly.Location);
 			var harfRoot = Path.GetDirectoryName(typeof(HarfBuzzSharp.Buffer).Assembly.Location);

@ -64,6 +64,9 @@ namespace SkiaSharp.Tests
 #if __ANDROID__
 			DefaultFontFamily = "sans-serif";
 			UnicodeFontFamilies = new[] { "Noto Color Emoji" };
+#elif __IOS__
+			DefaultFontFamily = "Arial";
+			UnicodeFontFamilies = new[] { "Apple Color Emoji" };
 #else
 			DefaultFontFamily = IsLinux ? "DejaVu Sans" : "Arial";
 			UnicodeFontFamilies =
--- a/tests/SkiaSharp.Android.Tests/AssetCopier.cs
+++ b/tests/SkiaSharp.Android.Tests/AssetCopier.cs
@ -1,11 +1,10 @@
 using System.IO;
-using Android.Content;

 namespace SkiaSharp.Tests
 {
 	internal static class AssetCopier
 	{
-		public static void CopyAssets(Context context)
+		public static void CopyAssets()
 		{
 			var fontsRoot = BaseTest.PathToFonts;
 			var imagesRoot = BaseTest.PathToImages;
--- a/tests/Tests/SKBitmapTest.cs
+++ b/tests/Tests/SKBitmapTest.cs
@ -501,8 +501,8 @@ namespace SkiaSharp.Tests
 			mask.FreeImage();
 		}

-#if __ANDROID__
-		[SkippableTheory(Skip = "Android runs out of memory.")]
+#if __ANDROID__ || __IOS__
+		[SkippableTheory(Skip = "Mobile devices sometimes run out of memory.")]
 #else
 		[SkippableTheory]
 #endif
--- a/tests/Tests/SKObjectTest.cs
+++ b/tests/Tests/SKObjectTest.cs
@ -321,6 +321,7 @@ namespace SkiaSharp.Tests
 			}
 		}

+#if !__ANDROID__ && !__IOS__
 		[SkippableFact]
 		public async Task DelayedConstructionDoesNotCreateInvalidState()
 		{
@ -437,6 +438,7 @@ namespace SkiaSharp.Tests
 			Assert.True(SKObject.GetInstance<DelayedDestructionObject>(handle, out var final));
 			Assert.Same(objSlow, final);
 		}
+#endif

 		private class DelayedConstructionObject : SKObject
 		{
--- a/tests/Tests/SKTest.cs
+++ b/tests/Tests/SKTest.cs
@ -145,6 +145,7 @@ namespace SkiaSharp.Tests
 		{
 			try
 			{
+#if !__ANDROID__ && !__IOS__
 				if (IsLinux)
 				{
 					return new GlxContext();
@ -158,6 +159,7 @@ namespace SkiaSharp.Tests
 					return new WglContext();
 				}
 				else
+#endif
 				{
 					throw new PlatformNotSupportedException();
 				}