Allow single-line ArrayCreationExpression syntax

Fixes #2607

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test/LayoutRules/SA1500/SA1500UnitTests.ArrayInitializers.cs

@@ -25,6 +25,8 @@ public partial class SA1500UnitTests
         public async Task TestArrayInitializersValidAsync()
         {
             var testCode = @"
+using System;
+
 public class TestClass
 {
     private int[] array1 = { };
@@ -33,6 +35,8 @@ public class TestClass
 
     private int[] array3 = new[] { 0, 1 };
 
+    private int[] array3b = new int[] { 0, 1 };
+
     private int[] array4 =
     {
     };
@@ -70,6 +74,10 @@ public void TestMethod()
         {
             0,
         };
+
+        Console.WriteLine(new[] { 0, 1 });
+        Console.WriteLine(new int[] { 0, 1 });
+        Console.WriteLine(new int[] { });
     }
 }";
 

StyleCop.Analyzers/StyleCop.Analyzers/LayoutRules/SA1500BracesForMultiLineStatementsMustNotShareLine.cs

@@ -155,6 +155,14 @@ private static void CheckBraces(SyntaxNodeAnalysisContext context, SyntaxToken o
 
                         break;
 
+                    case SyntaxKind.ArrayCreationExpression:
+                        if (GetStartLine(((ArrayCreationExpressionSyntax)context.Node.Parent).NewKeyword) == GetStartLine(openBraceToken))
+                        {
+                            return;
+                        }
+
+                        break;
+
                     case SyntaxKind.ImplicitArrayCreationExpression:
                         if (GetStartLine(((ImplicitArrayCreationExpressionSyntax)context.Node.Parent).NewKeyword) == GetStartLine(openBraceToken))
                         {