Removewarnings

src/NUnit.TestAdapter.Tests.Acceptance/AcceptanceTests.cs

@@ -31,7 +31,7 @@ public abstract class AcceptanceTests
             "netcoreapp3.1"
         };
 
-        private static readonly Lazy<(IsolatedWorkspaceManager manager, string nupkgVersion, bool keepWorkspaces)> Initialization = new Lazy<(IsolatedWorkspaceManager, string, bool)>(() =>
+        private static readonly Lazy<(IsolatedWorkspaceManager manager, string nupkgVersion, bool keepWorkspaces)> Initialization = new (() =>
         {
             var directory = TestContext.Parameters["ProjectWorkspaceDirectory"]
                 ?? TryAutoDetectProjectWorkspaceDirectory()
@@ -69,7 +69,7 @@ private static void ClearCachedTestNupkgs(string packageCachePath)
             Utils.DeleteDirectoryRobust(Path.Combine(packageCachePath, NuGetPackageId));
         }
 
-        private static readonly Dictionary<string, List<IsolatedWorkspace>> WorkspacesByTestId = new Dictionary<string, List<IsolatedWorkspace>>();
+        private static readonly Dictionary<string, List<IsolatedWorkspace>> WorkspacesByTestId = new ();
 
         protected static IsolatedWorkspace CreateWorkspace()
         {

src/NUnit.TestAdapter.Tests.Acceptance/WorkspaceTools/IsolatedWorkspace.RunSettings.cs

@@ -7,7 +7,7 @@ partial class IsolatedWorkspace
     {
         private sealed class RunSettings
         {
-            private readonly List<string> arguments = new List<string>();
+            private readonly List<string> arguments = new ();
 
             public string WorkingDirectory { get; }
             public string FileName { get; }

src/NUnit.TestAdapter.Tests.Acceptance/WorkspaceTools/IsolatedWorkspace.cs

@@ -8,7 +8,7 @@ namespace NUnit.VisualStudio.TestAdapter.Tests.Acceptance.WorkspaceTools
     [DebuggerDisplay("{Directory,nq}")]
     public sealed partial class IsolatedWorkspace : IDisposable
     {
-        private readonly List<string> projectPaths = new List<string>();
+        private readonly List<string> projectPaths = new ();
         private readonly ToolResolver toolResolver;
         private readonly DirectoryMutex directoryMutex;
 
@@ -111,6 +111,6 @@ public VSTestResult VSTest(string testAssemblyPath)
             return VSTestResult.Load(result, tempTrxFile);
         }
 
-        private RunSettings ConfigureRun(string filename) => new RunSettings(Directory, filename);
+        private RunSettings ConfigureRun(string filename) => new (Directory, filename);
     }
 }

src/NUnit.TestAdapter.Tests.Acceptance/WorkspaceTools/IsolatedWorkspaceManager.cs

@@ -44,7 +44,7 @@ public void Dispose()
 
         public IsolatedWorkspace CreateWorkspace(string name)
         {
-            return new IsolatedWorkspace(
+            return new (
                 Utils.CreateMutexDirectory(workspaceDirectory.DirectoryPath, name),
                 toolResolver);
         }

src/NUnit.TestAdapter.Tests.Acceptance/WorkspaceTools/ProcessUtils.cs

@@ -18,7 +18,7 @@ public static ProcessRunResult Run(string workingDirectory, string fileName, IEn
 
             var escapedArguments = arguments is null ? null : EscapeProcessArguments(arguments, alwaysQuote: false);
 
-            using (var process = new Process
+            using var process = new Process
             {
                 StartInfo =
                 {
@@ -29,51 +29,49 @@ public static ProcessRunResult Run(string workingDirectory, string fileName, IEn
                     RedirectStandardOutput = true,
                     RedirectStandardError = true
                 }
-            })
-            {
-                // This is inherited if the test runner was started by the Visual Studio process.
-                // It breaks MSBuild 15’s targets when it tries to build legacy csprojs and vbprojs.
-                process.StartInfo.EnvironmentVariables.Remove("VisualStudioVersion");
+            };
+            // This is inherited if the test runner was started by the Visual Studio process.
+            // It breaks MSBuild 15’s targets when it tries to build legacy csprojs and vbprojs.
+            process.StartInfo.EnvironmentVariables.Remove("VisualStudioVersion");
 
-                var stdout = (StringBuilder)null;
-                var stderr = (StringBuilder)null;
+            var stdout = (StringBuilder)null;
+            var stderr = (StringBuilder)null;
 
-                process.OutputDataReceived += (sender, e) =>
-                {
-                    if (e.Data is null) return;
+            process.OutputDataReceived += (sender, e) =>
+            {
+                if (e.Data is null) return;
 
-                    if (stdout is null)
-                        stdout = new StringBuilder();
-                    else
-                        stdout.AppendLine();
+                if (stdout is null)
+                    stdout = new StringBuilder();
+                else
+                    stdout.AppendLine();
 
-                    stdout.Append(e.Data);
-                };
+                stdout.Append(e.Data);
+            };
 
-                process.ErrorDataReceived += (sender, e) =>
-                {
-                    if (e.Data is null) return;
-
-                    if (stderr is null)
-                        stderr = new StringBuilder();
-                    else
-                        stderr.AppendLine();
-
-                    stderr.Append(e.Data);
-                };
-
-                process.Start();
-                process.BeginErrorReadLine();
-                process.BeginOutputReadLine();
-                process.WaitForExit();
-
-                return new ProcessRunResult(
-                    fileName,
-                    escapedArguments,
-                    process.ExitCode,
-                    stdout?.ToString(),
-                    stderr?.ToString());
-            }
+            process.ErrorDataReceived += (sender, e) =>
+            {
+                if (e.Data is null) return;
+
+                if (stderr is null)
+                    stderr = new StringBuilder();
+                else
+                    stderr.AppendLine();
+
+                stderr.Append(e.Data);
+            };
+
+            process.Start();
+            process.BeginErrorReadLine();
+            process.BeginOutputReadLine();
+            process.WaitForExit();
+
+            return new ProcessRunResult(
+                fileName,
+                escapedArguments,
+                process.ExitCode,
+                stdout?.ToString(),
+                stderr?.ToString());
         }
 
         private static readonly char[] CharsThatRequireQuoting = { ' ', '"' };
@@ -87,21 +85,19 @@ public static string EscapeProcessArguments(IEnumerable<string> literalValues, b
         {
             if (literalValues is null) throw new ArgumentNullException(nameof(literalValues));
 
-            using (var en = literalValues.GetEnumerator())
-            {
-                if (!en.MoveNext()) return string.Empty;
+            using var en = literalValues.GetEnumerator();
+            if (!en.MoveNext()) return string.Empty;
 
-                var builder = new StringBuilder();
+            var builder = new StringBuilder();
 
-                while (true)
-                {
-                    EscapeProcessArgument(builder, en.Current, alwaysQuote);
-                    if (!en.MoveNext()) break;
-                    builder.Append(' ');
-                }
-
-                return builder.ToString();
+            while (true)
+            {
+                EscapeProcessArgument(builder, en.Current, alwaysQuote);
+                if (!en.MoveNext()) break;
+                builder.Append(' ');
             }
+
+            return builder.ToString();
         }
 
         private static void EscapeProcessArgument(StringBuilder builder, string literalValue, bool alwaysQuote)

src/NUnit.TestAdapter.Tests.Acceptance/WorkspaceTools/ProcessUtilsTests.cs

@@ -19,13 +19,13 @@ public static void EscapeProcessArguments_null_alwaysQuote()
         [Test]
         public static void EscapeProcessArguments_empty()
         {
-            Assert.That(ProcessUtils.EscapeProcessArguments(new string[] { string.Empty }), Is.EqualTo("\"\""));
+            Assert.That(ProcessUtils.EscapeProcessArguments(new[] { string.Empty }), Is.EqualTo("\"\""));
         }
 
         [Test]
         public static void EscapeProcessArguments_empty_alwaysQuote()
         {
-            Assert.That(ProcessUtils.EscapeProcessArguments(new string[] { string.Empty }, true), Is.EqualTo("\"\""));
+            Assert.That(ProcessUtils.EscapeProcessArguments(new[] { string.Empty }, true), Is.EqualTo("\"\""));
         }
 
         [Test]

src/NUnitTestAdapter/CategoryList.cs

@@ -124,7 +124,7 @@ public void AddRange(IEnumerable<string> categories)
         /// <summary>
         /// See https://github.com/nunit/nunit/blob/master/src/NUnitFramework/framework/Internal/PropertyNames.cs.
         /// </summary>
-        private readonly HashSet<string> _internalProperties = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        private readonly HashSet<string> _internalProperties = new (StringComparer.OrdinalIgnoreCase)
         { "Author", "ApartmentState", "Description", "IgnoreUntilDate", "LevelOfParallelism", "MaxTime", "Order", "ParallelScope", "Repeat", "RequiresThread", "SetCulture", "SetUICulture", "TestOf", "Timeout" };
 
 

src/NUnitTestAdapter/Execution.cs

@@ -67,7 +67,7 @@ public virtual bool Run(TestFilter filter, DiscoveryConverter discovery, NUnit3T
         public abstract TestFilter CheckFilterInCurrentMode(TestFilter filter, IDiscoveryConverter discovery);
 
         protected NUnitTestFilterBuilder CreateTestFilterBuilder()
-            => new NUnitTestFilterBuilder(NUnitEngineAdapter.GetService<ITestFilterService>(), Settings);
+            => new (NUnitEngineAdapter.GetService<ITestFilterService>(), Settings);
         protected ITestConverterCommon CreateConverter(DiscoveryConverter discovery) => Settings.DiscoveryMethod == DiscoveryMethod.Current ? discovery.TestConverter : discovery.TestConverterForXml;
 
         protected TestFilter CheckFilter(IDiscoveryConverter discovery)

src/NUnitTestAdapter/Metadata/AppDomainMetadataProvider.cs

@@ -81,7 +81,7 @@ public void Dispose()
 
         private sealed class AppDomainHelper : MarshalByRefObject
         {
-            private readonly DirectReflectionMetadataProvider provider = new DirectReflectionMetadataProvider();
+            private readonly DirectReflectionMetadataProvider provider = new ();
 
             public TypeInfo? GetDeclaringType(string assemblyPath, string reflectedTypeName, string methodName)
             {

src/NUnitTestAdapter/NUnit3TestExecutor.cs

@@ -333,7 +333,7 @@ private void RestoreRandomSeed(string assemblyPath)
 
         private NUnitTestFilterBuilder CreateTestFilterBuilder()
         {
-            return new NUnitTestFilterBuilder(NUnitEngineAdapter.GetService<ITestFilterService>(), Settings);
+            return new (NUnitEngineAdapter.GetService<ITestFilterService>(), Settings);
         }
 
 

src/NUnitTestAdapter/NUnitEngine/DiscoveryConverter.cs

@@ -86,7 +86,7 @@ internal static class NUnitXmlAttributeNames
 
         public bool IsExplicitRun => CurrentTestAssembly?.IsExplicit ?? false;
 
-        private readonly List<TestCase> loadedTestCases = new List<TestCase>();
+        private readonly List<TestCase> loadedTestCases = new ();
         public IList<TestCase> LoadedTestCases => loadedTestCases;
 
         public int NoOfLoadedTestCases => loadedTestCases.Count;
@@ -429,7 +429,7 @@ public BaseProperties(string dId, string dName, string dFullname, int dTestcasec
             RunState = dRunstate;
         }
 
-        public List<NUnitProperty> Properties { get; } = new List<NUnitProperty>();
+        public List<NUnitProperty> Properties { get; } = new ();
 
         public string Id { get; }
         public string Name { get; }

src/NUnitTestAdapter/NUnitEngine/NUnitDiscoveryTestClasses.cs

@@ -77,7 +77,7 @@ protected NUnitDiscoverySuiteBase(BaseProperties other, INUnitDiscoverySuiteBase
             Parent = parent;
         }
 
-        public NUnitDiscoveryProperties NUnitDiscoveryProperties { get; } = new NUnitDiscoveryProperties();
+        public NUnitDiscoveryProperties NUnitDiscoveryProperties { get; } = new ();
 
         public abstract bool IsExplicit { get; }
         public virtual bool IsExplicitReverse => RunState == RunStateEnum.Explicit || (Parent?.IsExplicitReverse ?? RunState == RunStateEnum.Explicit);
@@ -109,7 +109,7 @@ public void AddTestAssembly(NUnitDiscoveryTestAssembly testAssembly)
 
     public class NUnitDiscoveryProperties
     {
-        private List<NUnitProperty> TheProperties { get; } = new List<NUnitProperty>();
+        private List<NUnitProperty> TheProperties { get; } = new ();
         public IEnumerable<NUnitProperty> Properties => TheProperties;
 
         public void Add(NUnitProperty p) => TheProperties.Add(p);
@@ -133,7 +133,7 @@ public sealed class NUnitDiscoveryTestAssembly : NUnitDiscoveryTestSuite
         public NUnitDiscoveryTestAssembly(BaseProperties theBase, NUnitDiscoveryTestRun parent) : base(theBase, parent)
         { }
 
-        private readonly List<NUnitDiscoveryTestCase> allTestCases = new List<NUnitDiscoveryTestCase>();
+        private readonly List<NUnitDiscoveryTestCase> allTestCases = new ();
 
         /// <summary>
         /// If all testcases are Explicit, we can run this one.
@@ -158,12 +158,12 @@ public override void AddToAllTestCases(NUnitDiscoveryTestCase tc)
 
     public sealed class NUnitDiscoveryTestFixture : NUnitDiscoveryCanHaveTestCases
     {
-        private readonly List<NUnitDiscoveryParameterizedMethod> parameterizedMethods = new List<NUnitDiscoveryParameterizedMethod>();
+        private readonly List<NUnitDiscoveryParameterizedMethod> parameterizedMethods = new ();
         public IEnumerable<NUnitDiscoveryParameterizedMethod> ParameterizedMethods => parameterizedMethods;
 
-        private readonly List<NUnitDiscoveryTheory> theories = new List<NUnitDiscoveryTheory>();
+        private readonly List<NUnitDiscoveryTheory> theories = new ();
 
-        private readonly List<NUnitDiscoveryGenericMethod> genericMethods = new List<NUnitDiscoveryGenericMethod>();
+        private readonly List<NUnitDiscoveryGenericMethod> genericMethods = new ();
         public IEnumerable<NUnitDiscoveryTheory> Theories => theories;
 
         public override int NoOfActualTestCases =>
@@ -266,7 +266,7 @@ public interface INUnitDiscoveryCanHaveTestCases : INUnitDiscoverySuiteBase
 
     public abstract class NUnitDiscoveryCanHaveTestCases : NUnitDiscoverySuiteBase, INUnitDiscoveryCanHaveTestCases
     {
-        private readonly List<NUnitDiscoveryTestCase> testCases = new List<NUnitDiscoveryTestCase>();
+        private readonly List<NUnitDiscoveryTestCase> testCases = new ();
 
         public IEnumerable<NUnitDiscoveryTestCase> TestCases => testCases;
         public virtual int NoOfActualTestCases => testCases.Count;
@@ -297,7 +297,7 @@ public interface INUnitDiscoveryCanHaveTestFixture : INUnitDiscoverySuiteBase
 
     public abstract class NUnitDiscoveryCanHaveTestFixture : NUnitDiscoverySuiteBase, INUnitDiscoveryCanHaveTestFixture
     {
-        private readonly List<NUnitDiscoveryTestFixture> testFixtures = new List<NUnitDiscoveryTestFixture>();
+        private readonly List<NUnitDiscoveryTestFixture> testFixtures = new ();
 
         public IEnumerable<NUnitDiscoveryTestFixture> TestFixtures => testFixtures;
 
@@ -310,11 +310,11 @@ protected NUnitDiscoveryCanHaveTestFixture(BaseProperties theBase, INUnitDiscove
         }
 
 
-        private readonly List<NUnitDiscoveryTestSuite> testSuites = new List<NUnitDiscoveryTestSuite>();
+        private readonly List<NUnitDiscoveryTestSuite> testSuites = new ();
 
-        private readonly List<NUnitDiscoveryGenericFixture> genericFixtures = new List<NUnitDiscoveryGenericFixture>();
-        private readonly List<NUnitDiscoverySetUpFixture> setUpFixtures = new List<NUnitDiscoverySetUpFixture>();
-        private readonly List<NUnitDiscoveryParameterizedTestFixture> parameterizedFixtures = new List<NUnitDiscoveryParameterizedTestFixture>();
+        private readonly List<NUnitDiscoveryGenericFixture> genericFixtures = new ();
+        private readonly List<NUnitDiscoverySetUpFixture> setUpFixtures = new ();
+        private readonly List<NUnitDiscoveryParameterizedTestFixture> parameterizedFixtures = new ();
 
 
         public IEnumerable<NUnitDiscoveryTestSuite> TestSuites => testSuites;

src/NUnitTestAdapter/NUnitEventListener.cs

@@ -50,7 +50,7 @@ public class NUnitEventListener :
         private readonly ITestExecutionRecorder _recorder;
         private readonly ITestConverterCommon _testConverter;
         private readonly IAdapterSettings _settings;
-        private readonly Dictionary<string, ICollection<INUnitTestEventTestOutput>> _outputNodes = new Dictionary<string, ICollection<INUnitTestEventTestOutput>>();
+        private readonly Dictionary<string, ICollection<INUnitTestEventTestOutput>> _outputNodes = new ();
 
 #if NET35
         public override object InitializeLifetimeService()

src/NUnitTestAdapter/NUnitTestFilterBuilder.cs

@@ -35,7 +35,7 @@ public class NUnitTestFilterBuilder
         private readonly ITestFilterService _filterService;
 
         // ReSharper disable once StringLiteralTypo
-        public static readonly TestFilter NoTestsFound = new TestFilter("<notestsfound/>");
+        public static readonly TestFilter NoTestsFound = new ("<notestsfound/>");
         private readonly IAdapterSettings settings;
 
         public NUnitTestFilterBuilder(ITestFilterService filterService, IAdapterSettings settings)

src/NUnitTestAdapter/NavigationData.cs

@@ -25,7 +25,7 @@ namespace NUnit.VisualStudio.TestAdapter
 {
     public class NavigationData
     {
-        public static readonly NavigationData Invalid = new NavigationData(null, 0);
+        public static readonly NavigationData Invalid = new (null, 0);
 
         public NavigationData(string filePath, int lineNumber)
         {

src/NUnitTestAdapter/NavigationDataProvider.cs

@@ -34,7 +34,7 @@ public sealed class NavigationDataProvider : IDisposable
         private readonly string _assemblyPath;
         private readonly IMetadataProvider _metadataProvider;
         private readonly ITestLogger _logger;
-        private readonly Dictionary<string, DiaSession> _sessionsByAssemblyPath = new Dictionary<string, DiaSession>(StringComparer.OrdinalIgnoreCase);
+        private readonly Dictionary<string, DiaSession> _sessionsByAssemblyPath = new (StringComparer.OrdinalIgnoreCase);
         private bool _disableMetadataLookup;
 
         public NavigationDataProvider(string assemblyPath, ITestLogger logger)
@@ -49,7 +49,7 @@ public NavigationDataProvider(string assemblyPath, ITestLogger logger)
 #if NET35
         internal static AppDomainMetadataProvider CreateMetadataProvider(string assemblyPath)
         {
-            return new AppDomainMetadataProvider(
+            return new (
                 applicationBase: Path.GetDirectoryName(assemblyPath),
                 configurationFile: assemblyPath + ".config");
         }