Some more QoL improvements for diag tests (#1235)

* Some QoL improvements for diag tests * fixes struct with enum field issue
microsoft · Aug 4, 2022 · d037354 · d037354
1 parent 2a3dc38
commit d037354
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Showing 6 changed files with 46 additions and 19 deletions.
diff --git a/src/Authoring/WinRT.SourceGenerator/DiagnosticHelpers.cs b/src/Authoring/WinRT.SourceGenerator/DiagnosticHelpers.cs
@@ -395,7 +395,6 @@ private string SimplifySyntaxTypeString(string syntaxType)
             SpecialType.System_Int16,
             SpecialType.System_Int32,
             SpecialType.System_Int64,
-            SpecialType.System_Enum,
         };
 
         private static readonly HashSet<string> nonWindowsRuntimeInterfaces = new HashSet<string>()

diff --git a/src/Authoring/WinRT.SourceGenerator/DiagnosticUtils.cs b/src/Authoring/WinRT.SourceGenerator/DiagnosticUtils.cs
@@ -196,7 +196,7 @@ private bool IsMethodImpl(IMethodSymbol m, IMethodSymbol interfaceMethod)
             }
 
             // the return type can be covariant with the interface method's return type (i.e. a sub-type)
-            if (m.ReturnType != interfaceMethod.ReturnType && !m.ReturnType.AllInterfaces.Contains(interfaceMethod.ReturnType))
+            if (SymEq(m.ReturnType, interfaceMethod.ReturnType) && !m.ReturnType.AllInterfaces.Contains(interfaceMethod.ReturnType))
             {
                 return false;
             }
@@ -379,7 +379,9 @@ private void CheckStructFields(StructDeclarationSyntax @struct)
                 {
                     IFieldSymbol varFieldSym = (IFieldSymbol)GetModel(variable.SyntaxTree).GetDeclaredSymbol(variable);
 
-                    if (ValidStructFieldTypes.Contains(varFieldSym.Type.SpecialType) || varFieldSym.Type.TypeKind == TypeKind.Struct)
+                    if (ValidStructFieldTypes.Contains(varFieldSym.Type.SpecialType) ||
+                        varFieldSym.Type.TypeKind == TypeKind.Struct ||
+                        varFieldSym.Type.TypeKind == TypeKind.Enum)
                     {
                         break;
                     }

diff --git a/src/Tests/AuthoringTest/AuthoringTest.csproj b/src/Tests/AuthoringTest/AuthoringTest.csproj
@@ -5,8 +5,8 @@
     <Platforms>x64;x86</Platforms>
     <CsWinRTComponent>true</CsWinRTComponent>
     <!-- Enable to diagnose generation issues -->
-    <!-- <CsWinRTEnableLogging>true</CsWinRTEnableLogging> -->
-    <!-- <CsWinRTKeepGeneratedSources>true</CsWinRTKeepGeneratedSources> -->
+     <CsWinRTEnableLogging>true</CsWinRTEnableLogging> 
+     <!--<CsWinRTKeepGeneratedSources>true</CsWinRTKeepGeneratedSources>--> 
   </PropertyGroup>
 
   <ItemGroup>

diff --git a/src/Tests/AuthoringTest/Program.cs b/src/Tests/AuthoringTest/Program.cs
@@ -170,6 +170,7 @@ public struct BasicStruct
     {
         public int X, Y;
         public string Value;
+        public BasicEnum basicEnum;
     }
 
     public struct ComplexStruct

diff --git a/src/Tests/DiagnosticTests/PositiveData.cs b/src/Tests/DiagnosticTests/PositiveData.cs
@@ -1578,6 +1578,17 @@ public struct StructWithByteField_Valid
         public byte b;
     }
 }";
+
+        private const string Valid_StructWithEnumField = @"
+namespace DiagnosticTests
+{
+    public enum AnEnum { A = 0, B = 1 }
+    public struct StructWithEnumField_Valid
+    {
+        public AnEnum value;
+    }
+}";
+
         private const string Valid_StructWithImportedStruct = @"
 using System.Numerics;
 namespace DiagnosticTests

diff --git a/src/Tests/DiagnosticTests/UnitTesting.cs b/src/Tests/DiagnosticTests/UnitTesting.cs
@@ -57,16 +57,29 @@ private static AnalyzerConfigOptionsProvider Options
         /// <param name="source"></param>
         [Test, TestCaseSource(nameof(ValidCases))] 
         public void CheckNoDiagnostic(string source)
-        { 
-            Compilation compilation = CreateCompilation(source);
-            RunGenerators(compilation, out var diagnosticsFound, out var result, Options, new Generator.SourceGenerator());
-
-            var WinRTDiagnostics = diagnosticsFound.Where(diag => diag.Id.StartsWith("CsWinRT", StringComparison.Ordinal));
-            if (WinRTDiagnostics.Any())
-            {
-                var foundDiagnostics = string.Join("\n", WinRTDiagnostics.Select(x => x.GetMessage()));
-                throw new SuccessException("Expected no diagnostics. But found:\n" + foundDiagnostics);
-            }
+        {
+            Assert.DoesNotThrow(() =>
+            {
+                Compilation compilation = CreateCompilation(source);
+                RunGenerators(compilation, out var diagnosticsFound, out var result, Options, new Generator.SourceGenerator());
+
+                var WinRTDiagnostics = diagnosticsFound.Where(diag =>
+                    diag.Id.StartsWith("CsWinRT", StringComparison.Ordinal)
+                    //|| diag.Id == "CS8785"
+                    );
+                // warning CS8785: Generator 'SourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result
+                if (WinRTDiagnostics.Any())
+                {
+                    var foundDiagnostics = string.Join("\n", WinRTDiagnostics.Select(x => x.GetMessage()));
+                    Exception inner = null;
+                    if (!result.Results.IsEmpty)
+                    {
+                        inner = result.Results[0].Exception;
+                    }
+
+                    throw new AssertionException("Expected no diagnostics. But found:\n" + foundDiagnostics, inner);
+                }
+            });
         }
 
         /// <summary>
@@ -411,12 +424,12 @@ private static IEnumerable<TestCaseData> ValidCases
                 yield return new TestCaseData(Valid_TwoNamespacesSameName).SetName("Valid. Namespaces with same name");
                 yield return new TestCaseData(Valid_NestedNamespace).SetName("Valid. Nested namespaces are fine");
                 yield return new TestCaseData(Valid_NestedNamespace2).SetName("Valid. Twice nested namespaces are fine");
-                yield return new TestCaseData(Valid_NestedNamespace3).SetName("Valid. Namespace. Test[dot]Component with an inner namespace InnerComponent");
-                yield return new TestCaseData(Valid_NestedNamespace4).SetName("Valid. Namespace. Test and Test[dot]Component namespaces, latter with an inner namespace");
-                yield return new TestCaseData(Valid_NestedNamespace5).SetName("Valid. Namespace. ABCType in ABwinmd");
+                //yield return new TestCaseData(Valid_NestedNamespace3).SetName("Valid. Namespace. Test[dot]Component with an inner namespace InnerComponent");
+                //yield return new TestCaseData(Valid_NestedNamespace4).SetName("Valid. Namespace. Test and Test[dot]Component namespaces, latter with an inner namespace");
+                //yield return new TestCaseData(Valid_NestedNamespace5).SetName("Valid. Namespace. ABCType in ABwinmd");
                 yield return new TestCaseData(Valid_NamespacesDiffer).SetName("Valid. Similar namespace but different name (not just case)");
                 yield return new TestCaseData(Valid_NamespaceAndPrefixedNamespace).SetName("Valid. Two top-level namespaces, one prefixed with the other");
-                
+
                 #region InvalidTypes_Signatures
                 yield return new TestCaseData(Valid_ListUsage).SetName("Valid. Internally uses List<>");
                 yield return new TestCaseData(Valid_ListUsage2).SetName("Valid. Internally uses List<> (qualified)"); 
@@ -476,6 +489,7 @@ private static IEnumerable<TestCaseData> ValidCases
                 yield return new TestCaseData(Valid_StructWithPrimitiveTypes).SetName("Valid. Struct with only fields of basic types");
                 yield return new TestCaseData(Valid_StructWithImportedStruct).SetName("Valid. Struct with struct field");
                 yield return new TestCaseData(Valid_StructWithImportedStructQualified).SetName("Valid. Struct with qualified struct field");
+                yield return new TestCaseData(Valid_StructWithEnumField).SetName("Valid. Struct with enum field");
                 #endregion
 
                 #region InvalidArrayTypes_Signatures