Fix code style warnings

.editorconfig

@@ -1,16 +1,40 @@
-# The default style generated by dotnet new editorconfig, with some minor changes. 
+# The default style generated by dotnet new editorconfig, with some minor changes.
 # All changes are annotated with `# not default`
 
 root = true
 
 # All files
 [*]
+# indent_size intentionally not specified in this section.
 indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
 
 # Xml files
 [*.xml]
 indent_size = 2
 
+# Markdown files
+[*.md]
+indent_size = 2
+trim_trailing_whitespace = false
+
+# PowerShell scripts
+[*.ps1]
+indent_size = 4
+
+# Visual Studio XML project files
+[*.{csproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
+indent_size = 2
+
+# Visual Studio and .NET related XML config files
+[*.{props,targets,ruleset,config,nuspec,resx,vsixmanifest,vsct}]
+indent_size = 2
+
+# YAML files
+[*.{yml,yaml}]
+indent_size = 2
+
 # C# files
 [*.cs]
 
@@ -30,13 +54,13 @@ insert_final_newline = false
 # Organize usings
 dotnet_separate_import_directive_groups = true
 dotnet_sort_system_directives_first = true
-file_header_template = unset
+file_header_template = Copyright (c) Microsoft Corporation. All rights reserved.\nLicensed under the MIT license. See LICENSE file in the project root for full license information.
 
 # this. and Me. preferences
-dotnet_style_qualification_for_event = false:silent
-dotnet_style_qualification_for_field = false:silent
-dotnet_style_qualification_for_method = false:silent
-dotnet_style_qualification_for_property = false:silent
+dotnet_style_qualification_for_event = false:warning
+dotnet_style_qualification_for_field = false:warning
+dotnet_style_qualification_for_method = false:warning
+dotnet_style_qualification_for_property = false:warning
 
 # Language keywords vs BCL types preferences
 dotnet_style_predefined_type_for_locals_parameters_members = true:silent
@@ -111,7 +135,7 @@ csharp_preferred_modifier_order = public,private,protected,internal,static,exter
 
 # Code-block preferences
 csharp_prefer_braces = true:silent
-csharp_prefer_simple_using_statement = true:suggestion
+csharp_prefer_simple_using_statement = true:warning
 
 # Expression-level preferences
 csharp_prefer_simple_default_expression = true:suggestion
@@ -173,7 +197,7 @@ csharp_space_between_square_brackets = false
 # Wrapping preferences
 csharp_preserve_single_line_blocks = true
 csharp_preserve_single_line_statements = true
-csharp_style_namespace_declarations = block_scoped:silent
+csharp_style_namespace_declarations = file_scoped:warning
 
 #### Naming styles ####
 
@@ -185,6 +209,10 @@ dotnet_diagnostic.IDE0051.severity = silent
 # IDE0052: Remove unread private members
 dotnet_diagnostic.IDE0052.severity = silent
 
+# IDE1006: Naming Styles
+dotnet_diagnostic.IDE1006.severity = warning
+dotnet_diagnostic.IDE0073.severity = warning
+
 [*.{cs,vb}]
 
 # Naming rules
@@ -269,63 +297,63 @@ dotnet_naming_rule.non_field_members_should_be_pascalcase.style = pascalcase
 
 dotnet_naming_symbols.interfaces.applicable_kinds = interface
 dotnet_naming_symbols.interfaces.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.interfaces.required_modifiers = 
+dotnet_naming_symbols.interfaces.required_modifiers =
 
 dotnet_naming_symbols.enums.applicable_kinds = enum
 dotnet_naming_symbols.enums.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.enums.required_modifiers = 
+dotnet_naming_symbols.enums.required_modifiers =
 
 dotnet_naming_symbols.events.applicable_kinds = event
 dotnet_naming_symbols.events.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.events.required_modifiers = 
+dotnet_naming_symbols.events.required_modifiers =
 
 dotnet_naming_symbols.methods.applicable_kinds = method
 dotnet_naming_symbols.methods.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.methods.required_modifiers = 
+dotnet_naming_symbols.methods.required_modifiers =
 
 dotnet_naming_symbols.properties.applicable_kinds = property
 dotnet_naming_symbols.properties.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.properties.required_modifiers = 
+dotnet_naming_symbols.properties.required_modifiers =
 
 dotnet_naming_symbols.public_fields.applicable_kinds = field
 dotnet_naming_symbols.public_fields.applicable_accessibilities = public, internal
-dotnet_naming_symbols.public_fields.required_modifiers = 
+dotnet_naming_symbols.public_fields.required_modifiers =
 
 dotnet_naming_symbols.private_fields.applicable_kinds = field
 dotnet_naming_symbols.private_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
-dotnet_naming_symbols.private_fields.required_modifiers = 
+dotnet_naming_symbols.private_fields.required_modifiers =
 
 dotnet_naming_symbols.private_static_fields.applicable_kinds = field
 dotnet_naming_symbols.private_static_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
 dotnet_naming_symbols.private_static_fields.required_modifiers = static
 
 dotnet_naming_symbols.types_and_namespaces.applicable_kinds = namespace, class, struct, interface, enum
 dotnet_naming_symbols.types_and_namespaces.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.types_and_namespaces.required_modifiers = 
+dotnet_naming_symbols.types_and_namespaces.required_modifiers =
 
 dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
 dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.non_field_members.required_modifiers = 
+dotnet_naming_symbols.non_field_members.required_modifiers =
 
 dotnet_naming_symbols.type_parameters.applicable_kinds = namespace
 dotnet_naming_symbols.type_parameters.applicable_accessibilities = *
-dotnet_naming_symbols.type_parameters.required_modifiers = 
+dotnet_naming_symbols.type_parameters.required_modifiers =
 
 dotnet_naming_symbols.private_constant_fields.applicable_kinds = field
 dotnet_naming_symbols.private_constant_fields.applicable_accessibilities = private, protected, protected_internal, private_protected
 dotnet_naming_symbols.private_constant_fields.required_modifiers = const
 
 dotnet_naming_symbols.local_variables.applicable_kinds = local
 dotnet_naming_symbols.local_variables.applicable_accessibilities = local
-dotnet_naming_symbols.local_variables.required_modifiers = 
+dotnet_naming_symbols.local_variables.required_modifiers =
 
 dotnet_naming_symbols.local_constants.applicable_kinds = local
 dotnet_naming_symbols.local_constants.applicable_accessibilities = local
 dotnet_naming_symbols.local_constants.required_modifiers = const
 
 dotnet_naming_symbols.parameters.applicable_kinds = parameter
 dotnet_naming_symbols.parameters.applicable_accessibilities = *
-dotnet_naming_symbols.parameters.required_modifiers = 
+dotnet_naming_symbols.parameters.required_modifiers =
 
 dotnet_naming_symbols.public_constant_fields.applicable_kinds = field
 dotnet_naming_symbols.public_constant_fields.applicable_accessibilities = public, internal
@@ -341,40 +369,40 @@ dotnet_naming_symbols.private_static_readonly_fields.required_modifiers = readon
 
 dotnet_naming_symbols.local_functions.applicable_kinds = local_function
 dotnet_naming_symbols.local_functions.applicable_accessibilities = *
-dotnet_naming_symbols.local_functions.required_modifiers = 
+dotnet_naming_symbols.local_functions.required_modifiers =
 
 # Naming styles
 
-dotnet_naming_style.pascalcase.required_prefix = 
-dotnet_naming_style.pascalcase.required_suffix = 
-dotnet_naming_style.pascalcase.word_separator = 
+dotnet_naming_style.pascalcase.required_prefix =
+dotnet_naming_style.pascalcase.required_suffix =
+dotnet_naming_style.pascalcase.word_separator =
 dotnet_naming_style.pascalcase.capitalization = pascal_case
 
 dotnet_naming_style.ipascalcase.required_prefix = I
-dotnet_naming_style.ipascalcase.required_suffix = 
-dotnet_naming_style.ipascalcase.word_separator = 
+dotnet_naming_style.ipascalcase.required_suffix =
+dotnet_naming_style.ipascalcase.word_separator =
 dotnet_naming_style.ipascalcase.capitalization = pascal_case
 
 dotnet_naming_style.tpascalcase.required_prefix = T
-dotnet_naming_style.tpascalcase.required_suffix = 
-dotnet_naming_style.tpascalcase.word_separator = 
+dotnet_naming_style.tpascalcase.required_suffix =
+dotnet_naming_style.tpascalcase.word_separator =
 dotnet_naming_style.tpascalcase.capitalization = pascal_case
 
 dotnet_naming_style._camelcase.required_prefix = _
-dotnet_naming_style._camelcase.required_suffix = 
-dotnet_naming_style._camelcase.word_separator = 
+dotnet_naming_style._camelcase.required_suffix =
+dotnet_naming_style._camelcase.word_separator =
 dotnet_naming_style._camelcase.capitalization = camel_case
 
-dotnet_naming_style.camelcase.required_prefix = 
-dotnet_naming_style.camelcase.required_suffix = 
-dotnet_naming_style.camelcase.word_separator = 
+dotnet_naming_style.camelcase.required_prefix =
+dotnet_naming_style.camelcase.required_suffix =
+dotnet_naming_style.camelcase.word_separator =
 dotnet_naming_style.camelcase.capitalization = camel_case
 
 dotnet_naming_style.s_camelcase.required_prefix = s_
-dotnet_naming_style.s_camelcase.required_suffix = 
-dotnet_naming_style.s_camelcase.word_separator = 
+dotnet_naming_style.s_camelcase.required_suffix =
+dotnet_naming_style.s_camelcase.word_separator =
 dotnet_naming_style.s_camelcase.capitalization = camel_case
-tab_width = 4
-indent_size = 4
-end_of_line = crlf
 
+# IDE0055: Fix formatting
+dotnet_diagnostic.IDE0055.severity = warning
+dotnet_style_namespace_match_folder = true:suggestion

playground/MSTest1/UnitTest1.cs

@@ -1,13 +1,15 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
-namespace MSTest1
+namespace MSTest1;
+
+[TestClass]
+public class UnitTest1
 {
-    [TestClass]
-    public class UnitTest1
+    [TestMethod]
+    public void TestMethod1()
     {
-        [TestMethod]
-        public void TestMethod1()
-        {
-        }
     }
-}
+}