Update SA1106 for asynchronous streams

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.CodeFixes/ReadabilityRules/SA1106CodeFixProvider.cs

@@ -77,6 +77,7 @@ private static async Task<Document> RemoveEmptyStatementAsync(Document document,
             case SyntaxKind.IfStatement:
             case SyntaxKind.ElseClause:
             case SyntaxKind.ForStatement:
+            case SyntaxKind.ForEachStatement:
             case SyntaxKind.WhileStatement:
             case SyntaxKind.DoStatement:
                 // these cases are always replaced with an empty block

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/ReadabilityRules/SA1106CSharp8UnitTests.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Tunnel Vision Laboratories, LLC. All Rights Reserved.
 // Licensed under the MIT License. See LICENSE in the project root for license information.
 
-#nullable disable
-
 namespace StyleCop.Analyzers.Test.CSharp8.ReadabilityRules
 {
     using System.Threading;
@@ -32,5 +30,39 @@ public void Method()
 
             await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
+
+        [Fact]
+        [WorkItem(3007, "https://github.com/DotNetAnalyzers/StyleCopAnalyzers/issues/3007")]
+        public async Task TestAwaitForEachEmptyStatementAsync()
+        {
+            var testCode = @"
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+public class TestClass
+{
+    public async Task TestAsync(IAsyncEnumerable<int> values)
+    {
+        await foreach (var value in values){|#0:;|}
+    }
+}
+";
+            var fixedCode = @"
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+public class TestClass
+{
+    public async Task TestAsync(IAsyncEnumerable<int> values)
+    {
+        await foreach (var value in values)
+        {
+        }
+    }
+}
+";
+
+            await VerifyCSharpFixAsync(testCode, Diagnostic().WithLocation(0), fixedCode, CancellationToken.None).ConfigureAwait(false);
+        }
     }
 }

StyleCop.Analyzers/StyleCop.Analyzers.Test/ReadabilityRules/SA1106UnitTests.cs

@@ -20,6 +20,7 @@ public class SA1106UnitTests
         [InlineData("if (true)")]
         [InlineData("if (true) { } else")]
         [InlineData("for (int i = 0; i < 10; i++)")]
+        [InlineData("foreach (int i in new int[] { 0 })")]
         [InlineData("while (true)")]
         public async Task TestEmptyStatementAsBlockAsync(string controlFlowConstruct)
         {