Merge pull request #23390 from zaytsev-victor/Fixed22776

Fixed 'Qualify member access' analyzer for object initializer

Author: sharwell

src/EditorFeatures/CSharpTest/QualifyMemberAccess/QualifyMemberAccessTests.cs

@@ -1238,6 +1238,44 @@ await TestAsyncWithOption(
     public string Foo { get; set; }
     public string Bar { get { return Foo; } => this.Foo; }
 }",
+CodeStyleOptions.QualifyPropertyAccess);
+        }
+
+        [WorkItem(22776, "https://github.com/dotnet/roslyn/issues/22776")]
+        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsQualifyMemberAccess)]
+        public async Task DoNotReportToQualify_InObjectInitializer1()
+        {
+            await TestMissingAsyncWithOption(
+@"public class C
+{
+    public string Foo { get; set; }
+    public void Bar()
+    {
+        var c = new C
+        {
+            [|Foo|] = string.Empty
+        };
+    }
+}",
+CodeStyleOptions.QualifyPropertyAccess);
+        }
+
+        [WorkItem(22776, "https://github.com/dotnet/roslyn/issues/22776")]
+        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsQualifyMemberAccess)]
+        public async Task DoNotReportToQualify_InObjectInitializer2()
+        {
+            await TestMissingAsyncWithOption(
+@"public class C
+{
+    public string Foo;
+    public void Bar()
+    {
+        var c = new C
+        {
+            [|Foo|] = string.Empty
+        };
+    }
+}",
 CodeStyleOptions.QualifyPropertyAccess);
         }
     }

src/EditorFeatures/VisualBasicTest/QualifyMemberAccess/QualifyMemberAccessTests.vb

@@ -586,6 +586,36 @@ Class C
     Private Shared Field As String = NameOf([|Value|])
 End Class
 ",
+CodeStyleOptions.QualifyFieldAccess)
+        End Function
+
+        <WorkItem(22776, "https://github.com/dotnet/roslyn/issues/22776")>
+        <Fact, Trait(Traits.Feature, Traits.Features.CodeActionsQualifyMemberAccess)>
+        Public Async Function DoNotReportToQualify_InObjectInitializer1() As Task
+            Await TestMissingAsyncWithOption("
+class C
+    Public Foo As Integer
+
+    Sub Bar()
+        Dim c = New C() With { [|.Foo = 1|] }
+    End Sub
+End Class
+",
+CodeStyleOptions.QualifyFieldAccess)
+        End Function
+
+        <WorkItem(22776, "https://github.com/dotnet/roslyn/issues/22776")>
+        <Fact, Trait(Traits.Feature, Traits.Features.CodeActionsQualifyMemberAccess)>
+        Public Async Function DoNotReportToQualify_InObjectInitializer2() As Task
+            Await TestMissingAsyncWithOption("
+class C
+    Public Property Foo As Integer
+
+    Sub Bar()
+        Dim c = New C() With { [|.Foo|] = 1 }
+    End Sub
+End Class
+",
 CodeStyleOptions.QualifyFieldAccess)
         End Function
     End Class

src/Features/CSharp/Portable/QualifyMemberAccess/CSharpQualifyMemberAccessDiagnosticAnalyzer.cs

@@ -16,9 +16,13 @@ protected override string GetLanguageName()
         protected override bool IsAlreadyQualifiedMemberAccess(SyntaxNode node)
             => node.IsKind(SyntaxKind.ThisExpression);
 
-        // If the member is already qualified with `base.`, it cannot be further qualified.
+        // If the member is already qualified with `base.`,
+        // or member is in object initialization context,
+        // or member in property or field initialization, it cannot be qualified.
         protected override bool CanMemberAccessBeQualified(ISymbol containingSymbol, SyntaxNode node)
-            => !(node.IsKind(SyntaxKind.BaseExpression) || IsInPropertyOrFieldInitialization(containingSymbol, node));
+            => !(node.IsKind(SyntaxKind.BaseExpression) ||
+                node.Parent.Parent.IsKind(SyntaxKind.ObjectInitializerExpression) ||
+                IsInPropertyOrFieldInitialization(containingSymbol, node));
 
         private bool IsInPropertyOrFieldInitialization(ISymbol containingSymbol, SyntaxNode node)
         {

src/Features/VisualBasic/Portable/Diagnostics/Analyzers/VisualBasicQualifyMemberAccessDiagnosticAnalyzer.vb

@@ -17,8 +17,9 @@ Namespace Microsoft.CodeAnalysis.VisualBasic.QualifyMemberAccess
         End Function
 
         Protected Overrides Function CanMemberAccessBeQualified(containingSymbol As ISymbol, node As SyntaxNode) As Boolean
-            ' If the member is already qualified with `MyBase.`, or `MyClass.`, it cannot be further qualified.
-            Return Not (node.IsKind(SyntaxKind.MyBaseExpression) OrElse node.IsKind(SyntaxKind.MyClassExpression))
+            ' If the member is already qualified with `MyBase.`, or `MyClass.`,
+            ' or member is in object initialization context, it cannot be qualified.
+            Return Not (node.IsKind(SyntaxKind.MyBaseExpression) OrElse node.IsKind(SyntaxKind.MyClassExpression) OrElse node.IsKind(SyntaxKind.ObjectCreationExpression))
         End Function
     End Class
 End Namespace