Update SA1513 for property initializer

Author: EdwinEngelen

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp14/LayoutRules/SA1513CSharp14UnitTests.cs

@@ -3,9 +3,39 @@
 
 namespace StyleCop.Analyzers.Test.CSharp14.LayoutRules
 {
+    using System.Threading;
+    using System.Threading.Tasks;
+    using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp13.LayoutRules;
+    using Xunit;
+    using static StyleCop.Analyzers.Test.Verifiers.StyleCopCodeFixVerifier<
+        StyleCop.Analyzers.LayoutRules.SA1513ClosingBraceMustBeFollowedByBlankLine,
+        StyleCop.Analyzers.LayoutRules.SA1513CodeFixProvider>;
 
     public partial class SA1513CSharp14UnitTests : SA1513CSharp13UnitTests
     {
+        /// <summary>
+        /// Verifies that no diagnostics are reported for the valid properties defined in this test.
+        /// </summary>
+        /// <remarks>
+        /// <para>These are valid for SA1513 only, some will report other diagnostics.</para>
+        /// </remarks>
+        /// <returns>A <see cref="Task"/> representing the asynchronous unit test.</returns>
+        [Fact]
+        public async Task TestPropertyDefaultValueAssignmentValidAsync()
+        {
+            var testCode = @"using System;
+
+public class Foo
+{
+    public bool Property1
+    {
+        get { return field; }
+        set { field = value; }
+    } = default;
+}";
+
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+        }
     }
 }

StyleCop.Analyzers/StyleCop.Analyzers/LayoutRules/SA1513ClosingBraceMustBeFollowedByBlankLine.cs

@@ -318,6 +318,12 @@ private void AnalyzeCloseBrace(SyntaxToken token)
                         return;
                     }
 
+                    if (token.Parent is AccessorListSyntax && nextToken.IsKind(SyntaxKind.EqualsToken))
+                    {
+                        // the close brace is followed by a property initializer
+                        return;
+                    }
+
                     if ((nextToken.IsKind(SyntaxKind.PrivateKeyword)
                         || nextToken.IsKind(SyntaxKind.ProtectedKeyword)
                         || nextToken.IsKind(SyntaxKind.InternalKeyword))