cleanup PrepareRemoteExecutor()

tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs

@@ -7,6 +7,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using SixLabors.ImageSharp.Memory;
 
 namespace SixLabors.ImageSharp.Tests
 {
@@ -46,13 +47,12 @@ namespace SixLabors.ImageSharp.Tests
 
         internal static string SolutionDirectoryFullPath => SolutionDirectoryFullPathLazy.Value;
 
+        private static readonly FileInfo TestAssemblyFile =
+            new FileInfo(typeof(TestEnvironment).GetTypeInfo().Assembly.Location);
+
         private static string GetSolutionDirectoryFullPathImpl()
         {
-            string assemblyLocation = typeof(TestEnvironment).GetTypeInfo().Assembly.Location;
-
-            var assemblyFile = new FileInfo(assemblyLocation);
-
-            DirectoryInfo directory = assemblyFile.Directory;
+            DirectoryInfo directory = TestAssemblyFile.Directory;
 
             while (!directory.EnumerateFiles(ImageSharpSolutionFileName).Any())
             {
@@ -63,13 +63,13 @@ namespace SixLabors.ImageSharp.Tests
                 catch (Exception ex)
                 {
                     throw new Exception(
-                        $"Unable to find ImageSharp solution directory from {assemblyLocation} because of {ex.GetType().Name}!",
+                        $"Unable to find ImageSharp solution directory from {TestAssemblyFile} because of {ex.GetType().Name}!",
                         ex);
                 }
 
                 if (directory == null)
                 {
-                    throw new Exception($"Unable to find ImageSharp solution directory from {assemblyLocation}!");
+                    throw new Exception($"Unable to find ImageSharp solution directory from {TestAssemblyFile}!");
                 }
             }
 
@@ -138,7 +138,7 @@ namespace SixLabors.ImageSharp.Tests
         /// <summary>
         /// Creates Microsoft.DotNet.RemoteExecutor.exe.config for .NET framework,
         /// When running in 32 bits, enforces 32 bit execution of Microsoft.DotNet.RemoteExecutor.exe
-        /// with the help of corflags.exe found in Windows SDK.
+        /// with the help of CorFlags.exe found in Windows SDK.
         /// </summary>
         internal static void PrepareRemoteExecutor()
         {
@@ -147,16 +147,16 @@ namespace SixLabors.ImageSharp.Tests
                 return;
             }
 
-            var assemblyFile = new FileInfo(typeof(TestEnvironment).GetTypeInfo().Assembly.Location);
             string remoteExecutorConfigPath =
-                Path.Combine(assemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe.config");
+                Path.Combine(TestAssemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe.config");
 
             if (File.Exists(remoteExecutorConfigPath))
             {
+                // already prepared
                 return;
             }
 
-            string testProjectConfigPath = assemblyFile.FullName + ".config";
+            string testProjectConfigPath = TestAssemblyFile.FullName + ".config";
 
             File.Copy(testProjectConfigPath, remoteExecutorConfigPath);
 
@@ -165,43 +165,43 @@ namespace SixLabors.ImageSharp.Tests
                 return;
             }
 
-            // Locate and run CorFlags.exe:
-            try
-            {
-                string windowsSdksDir = Path.Combine(Environment.GetEnvironmentVariable("PROGRAMFILES(x86)"),
-                    "Microsoft SDKs", "Windows");
+            EnsureRemoteExecutorIs32Bit();
+        }
+
+        /// <summary>
+        /// Locate and run CorFlags.exe /32Bit+
+        /// https://docs.microsoft.com/en-us/dotnet/framework/tools/corflags-exe-corflags-conversion-tool
+        /// </summary>
+        private static void EnsureRemoteExecutorIs32Bit()
+        {
+            string windowsSdksDir = Path.Combine(Environment.GetEnvironmentVariable("PROGRAMFILES(x86)"),
+                "Microsoft SDKs", "Windows");
 
-                FileInfo corFlagsFile = Find(new DirectoryInfo(windowsSdksDir), "corflags.exe");
+            FileInfo corFlagsFile = Find(new DirectoryInfo(windowsSdksDir), "CorFlags.exe");
 
-                string remoteExecutorPath = Path.Combine(assemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe");
+            string remoteExecutorPath = Path.Combine(TestAssemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe");
 
-                string args = $"{remoteExecutorPath} /32Bit+ /Force";
+            string args = $"{remoteExecutorPath} /32Bit+ /Force";
 
-                var si = new ProcessStartInfo()
-                {
-                    FileName = corFlagsFile.FullName,
-                    Arguments = args,
-                    UseShellExecute = false,
-                    RedirectStandardOutput = true,
-                    RedirectStandardError = true
-                };
-
-                using var proc = Process.Start(si);
-                proc.WaitForExit();
-                string standardOutput = proc.StandardOutput.ReadToEnd();
-                string standardError = proc.StandardError.ReadToEnd();
-                Debug.Print(standardOutput);
-                Debug.Print(standardError);
-            }
-            catch (Exception ex)
+            var si = new ProcessStartInfo()
             {
-                // Avoid fatal exceptions here
-                Debug.Print(ex.Message);
-            }
+                FileName = corFlagsFile.FullName,
+                Arguments = args,
+                UseShellExecute = false,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true
+            };
+
+            using var proc = Process.Start(si);
+            proc.WaitForExit();
+            string standardOutput = proc.StandardOutput.ReadToEnd();
+            string standardError = proc.StandardError.ReadToEnd();
+            Debug.Print(standardOutput);
+            Debug.Print(standardError);
 
             static FileInfo Find(DirectoryInfo root, string name)
             {
-                FileInfo fi = root.EnumerateFiles().FirstOrDefault(f => f.Name.ToLower() == name);
+                FileInfo fi = root.EnumerateFiles(name).FirstOrDefault();
                 if (fi != null)
                 {
                     return fi;