3340=> TypeWithAnnotations.Create(_type, NullableAnnotation.NotAnnotated);

556if (typeWithAnnotations.NullableAnnotation == NullableAnnotation.Annotated && performOnlyCycleSafeValidation &&

1705expression = new BoundDiscardExpression(node, NullableAnnotation.Annotated, isInferred: true, type: null);

333declType: TypeWithAnnotations.Create(narrowedType, NullableAnnotation.NotAnnotated), 943return TypeWithAnnotations.Create(inputType.StrippedType(), NullableAnnotation.NotAnnotated);

16public static NullableAnnotation GetNullableAnnotation(ArrayBuilder<TypeWithAnnotations> types) 22var result = NullableAnnotation.NotAnnotated;

159private readonly NullableAnnotation[] _nullableAnnotationLowerBounds; 351_nullableAnnotationLowerBounds = new NullableAnnotation[methodTypeParameters.Length]; 3458var oldAnnotation = oldBound.NullableAnnotation; 3459var newAnnotation = oldAnnotation.MergeNullableAnnotation(candidate.NullableAnnotation, variance);

25return this.Update(NullableAnnotation.Oblivious, this.IsInferred, binder.CreateErrorType("var"));

11public BoundExpressionWithNullability(SyntaxNode syntax, BoundExpression expression, NullableAnnotation nullableAnnotation, TypeSymbol? type)

2424internal ArrayTypeSymbol CreateArrayTypeSymbol(TypeSymbol elementType, int rank = 1, NullableAnnotation elementNullableAnnotation = NullableAnnotation.Oblivious) 2442internal PointerTypeSymbol CreatePointerTypeSymbol(TypeSymbol elementType, NullableAnnotation elementNullableAnnotation = NullableAnnotation.Oblivious) 4238var annotation = (elementNullableAnnotations.IsDefault ? typeSymbol.NullableAnnotation : elementNullableAnnotations[i]).ToInternalAnnotation(); 4306var nullableAnnotation = memberNullableAnnotations.IsDefault ? NullableAnnotation.Oblivious : memberNullableAnnotations[i].ToInternalAnnotation();

53internal readonly struct GetterNullResilienceData(SynthesizedBackingFieldSymbol field, NullableAnnotation assumedAnnotation) 56public readonly NullableAnnotation assumedAnnotation = assumedAnnotation; 58public void Deconstruct(out SynthesizedBackingFieldSymbol field, out NullableAnnotation assumedAnnotation) 145public VisitResult(TypeSymbol? type, NullableAnnotation annotation, NullableFlowState state) 2396case NullableAnnotation.Oblivious: 2397case NullableAnnotation.Annotated: 2889NullableAnnotation nullableAnnotation; 4403var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4465[new BoundExpressionWithNullability(objectInitializer.Syntax, objectInitializer, nullableAnnotation: NullableAnnotation.NotAnnotated, containingType)], 4630SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4746return GetOrCreatePlaceholderSlot(node, TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated)); 5904targetType = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 6236var lValueAnnotation = consequenceLValue.NullableAnnotation.EnsureCompatible(alternativeLValue.NullableAnnotation); 8456private static NullableAnnotation GetNullableAnnotation(BoundExpression expr) 8463return expr.ConstantValueOpt == ConstantValue.NotAvailable || !expr.ConstantValueOpt.IsNull || expr.IsSuppressed ? NullableAnnotation.NotAnnotated : NullableAnnotation.Annotated; 8471return NullableAnnotation.NotAnnotated; 8474return NullableAnnotation.Oblivious; 8556return new BoundExpressionWithNullability(argument.Syntax, argument, NullableAnnotation.Oblivious, type: null); 9761dependsOnTypeParameter(typeParameter1, (TypeParameterSymbol)targetType.Type, NullableAnnotation.NotAnnotated, out var annotation)) 9763return (annotation == NullableAnnotation.Annotated) ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 9794bool dependsOn = dependsOnTypeParameter(typeParameter1, typeParameter2, NullableAnnotation.NotAnnotated, out var annotation); 9798return (annotation == NullableAnnotation.Annotated) ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 9831static bool dependsOnTypeParameter(TypeParameterSymbol typeParameter1, TypeParameterSymbol typeParameter2, NullableAnnotation typeParameter1Annotation, out NullableAnnotation annotation) 9839var combinedAnnotation = NullableAnnotation.Annotated; 9843dependsOnTypeParameter(constraintTypeParameter, typeParameter2, constraintType.NullableAnnotation, out var constraintAnnotation)) 10338var argTypeWithAnnotations = TypeWithAnnotations.Create(argType, NullableAnnotation.NotAnnotated); 10537var lvalueResult = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 10817placeholderArgs.Add(new BoundExpressionWithNullability(variables[i].Expression.Syntax, variables[i].Expression, NullableAnnotation.Oblivious, conversion.DeconstructionInfo.OutputPlaceholders[i].Type)); 11804TypeWithAnnotations.Create(enumeratorInfoOpt.ElementType, NullableAnnotation.NotAnnotated).ToTypeWithState(); 12595var result = TypeWithAnnotations.Create(node.Type, NullableAnnotation.Oblivious); 12701var result = TypeWithAnnotations.Create(node.Type, NullableAnnotation.Oblivious); 12872var result = TypeWithAnnotations.Create(node.Type, node.IsInferred ? NullableAnnotation.Annotated : node.NullableAnnotation);

476outputSlot = makeDagTempSlot(TypeWithAnnotations.Create(e.Type, NullableAnnotation.NotAnnotated), output); 535? ReInferAndVisitExtensionPropertyAccess(e, e.Property, new BoundExpressionWithNullability(e.Syntax, expression, NullableAnnotation.NotAnnotated, inputType)).updatedProperty 841var type = TypeWithAnnotations.Create(t, NullableAnnotation.Annotated);

1526public BoundRefValueOperator(SyntaxNode syntax, NullableAnnotation nullableAnnotation, BoundExpression operand, TypeSymbol type, bool hasErrors = false) 1538public NullableAnnotation NullableAnnotation { get; } 1544public BoundRefValueOperator Update(NullableAnnotation nullableAnnotation, BoundExpression operand, TypeSymbol type) 8563public BoundDiscardExpression(SyntaxNode syntax, NullableAnnotation nullableAnnotation, bool isInferred, TypeSymbol? type, bool hasErrors) 8570public BoundDiscardExpression(SyntaxNode syntax, NullableAnnotation nullableAnnotation, bool isInferred, TypeSymbol? type) 8578public NullableAnnotation NullableAnnotation { get; } 8584public BoundDiscardExpression Update(NullableAnnotation nullableAnnotation, bool isInferred, TypeSymbol? type) 8796public BoundExpressionWithNullability(SyntaxNode syntax, BoundExpression expression, NullableAnnotation nullableAnnotation, TypeSymbol? type, bool hasErrors = false) 8808public NullableAnnotation NullableAnnotation { get; } 8813public BoundExpressionWithNullability Update(BoundExpression expression, NullableAnnotation nullableAnnotation, TypeSymbol? type)

409annotatedNamespaceOrType.TypeWithAnnotations.NullableAnnotation == NullableAnnotation.Annotated &&

49get { return TypeWithAnnotations.Create(this.Manager.System_String, NullableAnnotation.NotAnnotated); }

1241case NullableAnnotation.Annotated: 1243case NullableAnnotation.Oblivious: 1280case NullableAnnotation.Oblivious: 1281case NullableAnnotation.Annotated: 1639case NullableAnnotation.Annotated: 1641case NullableAnnotation.NotAnnotated: 1643case NullableAnnotation.Oblivious: 1661case NullableAnnotation.Annotated:

170return TypeWithAnnotations.Create(type, NullableAnnotation.Oblivious, CSharpCustomModifier.Convert(customModifiers));

13/// The order of values here is used in the computation of <see cref="NullableAnnotationExtensions.Meet(NullableAnnotation, NullableAnnotation)"/>, 14/// <see cref="NullableAnnotationExtensions.Join(NullableAnnotation, NullableAnnotation)"/>, and 15/// <see cref="NullableAnnotationExtensions.EnsureCompatible(NullableAnnotation, NullableAnnotation)"/>. If the order here is changed

16public static bool IsAnnotated(this NullableAnnotation annotation) => annotation == NullableAnnotation.Annotated; 18public static bool IsNotAnnotated(this NullableAnnotation annotation) => annotation == NullableAnnotation.NotAnnotated; 20public static bool IsOblivious(this NullableAnnotation annotation) => annotation == NullableAnnotation.Oblivious; 26public static NullableAnnotation Join(this NullableAnnotation a, NullableAnnotation b) 28Debug.Assert(a != NullableAnnotation.Ignored); 29Debug.Assert(b != NullableAnnotation.Ignored); 37public static NullableAnnotation Meet(this NullableAnnotation a, NullableAnnotation b) 39Debug.Assert(a != NullableAnnotation.Ignored); 40Debug.Assert(b != NullableAnnotation.Ignored); 48public static NullableAnnotation EnsureCompatible(this NullableAnnotation a, NullableAnnotation b) 50Debug.Assert(a != NullableAnnotation.Ignored); 51Debug.Assert(b != NullableAnnotation.Ignored); 54(NullableAnnotation.Oblivious, _) => b, 55(_, NullableAnnotation.Oblivious) => a, 63public static NullableAnnotation MergeNullableAnnotation(this NullableAnnotation a, NullableAnnotation b, VarianceKind variance) 65Debug.Assert(a != NullableAnnotation.Ignored); 66Debug.Assert(b != NullableAnnotation.Ignored); 77/// The attribute (metadata) representation of <see cref="NullableAnnotation.NotAnnotated"/>. 82/// The attribute (metadata) representation of <see cref="NullableAnnotation.Annotated"/>. 87/// The attribute (metadata) representation of <see cref="NullableAnnotation.Oblivious"/>. 98CSharp.NullableAnnotation internalAnnotation = annotation.ToInternalAnnotation(); 102internal static NullabilityInfo ToNullabilityInfo(this NullableAnnotation annotation, TypeSymbol type) 126internal static CodeAnalysis.NullableAnnotation ToPublicAnnotation(TypeSymbol? type, NullableAnnotation annotation) 128Debug.Assert(annotation != NullableAnnotation.Ignored); 131NullableAnnotation.Annotated => CodeAnalysis.NullableAnnotation.Annotated, 132NullableAnnotation.NotAnnotated => CodeAnalysis.NullableAnnotation.NotAnnotated, 137NullableAnnotation.Oblivious when type?.IsValueType == true => CodeAnalysis.NullableAnnotation.NotAnnotated, 138NullableAnnotation.Oblivious => CodeAnalysis.NullableAnnotation.None, 140NullableAnnotation.Ignored => CodeAnalysis.NullableAnnotation.None, 148internal static CSharp.NullableAnnotation ToInternalAnnotation(this CodeAnalysis.NullableAnnotation annotation) => 151CodeAnalysis.NullableAnnotation.None => CSharp.NullableAnnotation.Oblivious, 152CodeAnalysis.NullableAnnotation.NotAnnotated => CSharp.NullableAnnotation.NotAnnotated, 153CodeAnalysis.NullableAnnotation.Annotated => CSharp.NullableAnnotation.Annotated,

25builder.Add(TypeWithAnnotations.Create(type, (typeArg?.NullableAnnotation.ToInternalAnnotation() ?? NullableAnnotation.NotAnnotated))); 48var annotation = typeArgumentNullableAnnotations.IsDefault ? NullableAnnotation.Oblivious : typeArgumentNullableAnnotations[i].ToInternalAnnotation();

113builder.Add(TypeWithAnnotations.Create(GetTypeParameter(i), NullableAnnotation.Ignored));

444static void appendAnnotation(StringBuilder builder, NullableAnnotation annotation) 448case NullableAnnotation.Annotated: 451case NullableAnnotation.NotAnnotated: 454case NullableAnnotation.Oblivious: 456case NullableAnnotation.Ignored:

151=> TypeWithAnnotations.Create(_containingType, NullableAnnotation.NotAnnotated);

32TypeWithAnnotations.Create(ContainingType.BaseTypeNoUseSiteDiagnostics, NullableAnnotation.Annotated),

83return (TypeWithAnnotations.Create(Binder.GetWellKnownType(DeclaringCompilation, WellKnownType.System_Type, diagnostics, Location), NullableAnnotation.NotAnnotated),

70var annotation = ContainingType.IsRecordStruct ? NullableAnnotation.Oblivious : NullableAnnotation.Annotated;

36var annotation = ContainingType.IsRecordStruct ? NullableAnnotation.Oblivious : NullableAnnotation.Annotated;

31var annotation = ContainingType.IsRecordStruct ? NullableAnnotation.Oblivious : NullableAnnotation.Annotated;

93var annotation = ContainingType.IsRecordStruct ? NullableAnnotation.Oblivious : NullableAnnotation.NotAnnotated;

42var annotation = ContainingType.IsRecordStruct ? NullableAnnotation.Oblivious : NullableAnnotation.NotAnnotated;

84private int _inferredNullableAnnotation = (int)NullableAnnotation.Ignored; 140if (propertyType.NullableAnnotation != NullableAnnotation.NotAnnotated 158internal NullableAnnotation GetInferredNullableAnnotation() 160if (_inferredNullableAnnotation == (int)NullableAnnotation.Ignored) 162var inferredAnnotation = ComputeInferredNullableAnnotation(); 163Debug.Assert(inferredAnnotation is not NullableAnnotation.Ignored); 164Interlocked.CompareExchange(ref _inferredNullableAnnotation, (int)inferredAnnotation, (int)NullableAnnotation.Ignored); 166Debug.Assert((NullableAnnotation)_inferredNullableAnnotation is NullableAnnotation.NotAnnotated or NullableAnnotation.Annotated); 167return (NullableAnnotation)_inferredNullableAnnotation; 170private NullableAnnotation ComputeInferredNullableAnnotation() 179return NullableAnnotation.Annotated; 185return NullableAnnotation.NotAnnotated; 190var annotatedDiagnostics = nullableAnalyzeAndFilterDiagnostics(assumedNullableAnnotation: NullableAnnotation.Annotated); 195return NullableAnnotation.Annotated; 198var notAnnotatedDiagnostics = nullableAnalyzeAndFilterDiagnostics(assumedNullableAnnotation: NullableAnnotation.NotAnnotated); 204return NullableAnnotation.NotAnnotated; 218return NullableAnnotation.NotAnnotated; 223return NullableAnnotation.Annotated; 225DiagnosticBag nullableAnalyzeAndFilterDiagnostics(NullableAnnotation assumedNullableAnnotation)

32return typeParameters.SelectAsArray(static (tp) => TypeWithAnnotations.Create(tp, NullableAnnotation.Ignored));

2515internal CodeAnalysis.NullableAnnotation DefaultNullableAnnotation => NullableAnnotationExtensions.ToPublicAnnotation(this, NullableAnnotation.Oblivious);

51public readonly NullableAnnotation DefaultNullableAnnotation; 53private TypeWithAnnotations(TypeSymbol defaultType, NullableAnnotation defaultAnnotation, Extensions extensions) 55Debug.Assert(defaultType?.IsNullableType() != true || defaultAnnotation == NullableAnnotation.Annotated); 82return Create(typeSymbol, nullableAnnotation: isAnnotated ? NullableAnnotation.Annotated : isNullableEnabled ? NullableAnnotation.NotAnnotated : NullableAnnotation.Oblivious); 85internal static TypeWithAnnotations Create(TypeSymbol typeSymbol, NullableAnnotation nullableAnnotation = NullableAnnotation.Oblivious, ImmutableArray<CustomModifier> customModifiers = default) 92Debug.Assert(nullableAnnotation != NullableAnnotation.Ignored || typeSymbol.IsTypeParameter()); 95case NullableAnnotation.Oblivious: 96case NullableAnnotation.NotAnnotated: 100nullableAnnotation = NullableAnnotation.Annotated; 115return Create(Type, NullableAnnotation.Annotated, CustomModifiers); 125return Create(Type, NullableAnnotation.NotAnnotated, CustomModifiers); 129internal NullableAnnotation GetValueNullableAnnotation() 138return NullableAnnotation.Annotated; 143return NullableAnnotation.Annotated; 155case NullableAnnotation.Oblivious: 156case NullableAnnotation.Annotated: 159case NullableAnnotation.NotAnnotated: 168private static TypeWithAnnotations CreateNonLazyType(TypeSymbol typeSymbol, NullableAnnotation nullableAnnotation, ImmutableArray<CustomModifier> customModifiers) 175return new TypeWithAnnotations(defaultType: underlying.DefaultType, defaultAnnotation: NullableAnnotation.Annotated, new LazyNullableTypeParameter(compilation, underlying)); 180return new TypeWithAnnotations(defaultType: substitutedTypeSymbol, defaultAnnotation: NullableAnnotation.Ignored, new LazySubstitutedType(customModifiers, typeParameter)); 204return CreateNonLazyType(typeSymbol, NullableAnnotation.Annotated, this.CustomModifiers); 244NullableAnnotation nullableAnnotation = this.NullableAnnotation.MergeNullableAnnotation(other.NullableAnnotation, variance); 255public NullableAnnotation NullableAnnotation => _extensions?.GetResolvedAnnotation(DefaultNullableAnnotation) ?? default; 364var thisAnnotation = NullableAnnotation; 365var otherAnnotation = other.NullableAnnotation; 442Debug.Assert(NullableAnnotation != NullableAnnotation.Ignored); 452Debug.Assert(NullableAnnotation != NullableAnnotation.Ignored); 473else if (Is((TypeParameterSymbol)typeSymbol) && newTypeWithModifiers.NullableAnnotation != NullableAnnotation.Ignored) 483NullableAnnotation newAnnotation; 484Debug.Assert(newTypeWithModifiers.Type is not IndexedTypeParameterSymbol || newTypeWithModifiers.NullableAnnotation == NullableAnnotation.Ignored); 488newAnnotation = NullableAnnotation.Annotated; 490else if (newTypeWithModifiers.NullableAnnotation == NullableAnnotation.Ignored) 494else if (NullableAnnotation != NullableAnnotation.Oblivious) 496Debug.Assert(NullableAnnotation == NullableAnnotation.NotAnnotated); 497if (newTypeWithModifiers.NullableAnnotation == NullableAnnotation.Oblivious) 505newAnnotation = NullableAnnotation.NotAnnotated; 518Debug.Assert(newTypeWithModifiers.NullableAnnotation is NullableAnnotation.NotAnnotated); 519newAnnotation = NullableAnnotation.NotAnnotated; 522else if (newTypeWithModifiers.NullableAnnotation != NullableAnnotation.Oblivious) 596typeWithAnnotationsPredicate: (t, a, b) => t.NullableAnnotation != NullableAnnotation.Oblivious && !t.Type.IsErrorType() && !t.Type.IsValueType, 633var annotation = typeWithAnnotations.NullableAnnotation; 709if (result.NullableAnnotation != NullableAnnotation.Oblivious && 712result = CreateNonLazyType(newTypeSymbol, NullableAnnotation.Oblivious, result.CustomModifiers); 732return CreateNonLazyType(typeSymbol, NullableAnnotation.NotAnnotated, CustomModifiers); 740if (NullableAnnotation != NullableAnnotation.Oblivious) 745return CreateNonLazyType(newTypeSymbol, NullableAnnotation.Oblivious, CustomModifiers); 813static NullableFlowState getFlowState(TypeSymbol type, NullableAnnotation annotation) 821return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeDefault, NullableAnnotation.NotAnnotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull }; 825return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeDefault, _ => NullableFlowState.NotNull }; 831return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull }; 853internal abstract NullableAnnotation GetResolvedAnnotation(NullableAnnotation defaultAnnotation); 894internal override NullableAnnotation GetResolvedAnnotation(NullableAnnotation defaultAnnotation) => defaultAnnotation; 921return CreateNonLazyType(type.DefaultType, NullableAnnotation.Annotated, _customModifiers); 927return CreateNonLazyType(defaultType, defaultType.IsNullableType() ? type.NullableAnnotation : NullableAnnotation.NotAnnotated, _customModifiers); 978internal override NullableAnnotation GetResolvedAnnotation(NullableAnnotation defaultAnnotation) 980Debug.Assert(defaultAnnotation == NullableAnnotation.Ignored); 987return (NullableAnnotation)_resolved; 989NullableAnnotation getResolvedAnnotationCore() 994return NullableAnnotation.NotAnnotated; 1000return NullableAnnotation.Oblivious; 1008internal override bool IsResolved => _resolved != (int)NullableAnnotation.Ignored; 1024return CreateNonLazyType(type.DefaultType, NullableAnnotation.Annotated, _customModifiers); 1030return CreateNonLazyType(defaultType, defaultType.IsNullableType() ? type.NullableAnnotation : NullableAnnotation.NotAnnotated, _customModifiers); 1051_ = GetResolvedAnnotation(NullableAnnotation.Ignored); 1109internal override NullableAnnotation GetResolvedAnnotation(NullableAnnotation defaultAnnotation) => defaultAnnotation;

89var type = TypeWithAnnotations.Create(Type, NullableAnnotation.NotAnnotated); 92NullableAnnotation annotation = asAnnotatedType ? 93(Type?.IsValueType == true ? NullableAnnotation.NotAnnotated : NullableAnnotation.Annotated) : 94(State.IsNotNull() || Type?.CanContainNull() == false ? NullableAnnotation.NotAnnotated : NullableAnnotation.Annotated);

5363Assert.Equal(NullableAnnotation.Annotated, localFn1.ReturnTypeWithAnnotations.NullableAnnotation); 5367Assert.Equal(NullableAnnotation.Annotated, param.TypeWithAnnotations.NullableAnnotation);

28989var obliviousObject = TypeWithAnnotations.Create(@object, NullableAnnotation.Oblivious); 29006var nullableObject = TypeWithAnnotations.Create(@object, NullableAnnotation.Annotated); 29007var nonNullableObject = TypeWithAnnotations.Create(@object, NullableAnnotation.NotAnnotated);

624Assert.Equal(NullableAnnotation.NotAnnotated, fieldSymbol.TypeWithAnnotations.NullableAnnotation); 625Assert.Equal(NullableAnnotation.Annotated, ((SynthesizedBackingFieldSymbol)fieldSymbol).GetInferredNullableAnnotation()); 672Assert.Equal(NullableAnnotation.NotAnnotated, fieldSymbol.TypeWithAnnotations.NullableAnnotation); 673Assert.Equal(NullableAnnotation.NotAnnotated, ((SynthesizedBackingFieldSymbol)fieldSymbol).GetInferredNullableAnnotation()); 713Assert.Equal(NullableAnnotation.NotAnnotated, fieldSymbol.TypeWithAnnotations.NullableAnnotation); 714Assert.Equal(NullableAnnotation.NotAnnotated, ((SynthesizedBackingFieldSymbol)fieldSymbol).GetInferredNullableAnnotation()); 7526verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P1>k__BackingField"), NullableAnnotation.Annotated); 7527verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P2>k__BackingField"), NullableAnnotation.NotAnnotated); 7528verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P3>k__BackingField"), NullableAnnotation.Annotated); 7529verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P4>k__BackingField"), NullableAnnotation.Annotated); 7530verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P5>k__BackingField"), NullableAnnotation.NotAnnotated); 7531verify(classC.GetMember<SynthesizedBackingFieldSymbol>("<P6>k__BackingField"), NullableAnnotation.Annotated); 7533void verify(SynthesizedBackingFieldSymbol field, NullableAnnotation expectedInferredAnnotation) 7535Assert.Equal(NullableAnnotation.NotAnnotated, field.TypeWithAnnotations.NullableAnnotation); 10870Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 10871Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 10892Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 10893Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 10924Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 10925Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 10985Assert.Equal(NullableAnnotation.Annotated, field.GetInferredNullableAnnotation()); 10986Assert.Equal(NullableAnnotation.NotAnnotated, field.TypeWithAnnotations.NullableAnnotation); 11004Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11005Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11024Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11025Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11045Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11046Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11064Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11065Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11084Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11085Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11108Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11109Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11138Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11139Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11166Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11167Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11193Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11194Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11217Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11218Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11244Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11269Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11270Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11298Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11299Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11322Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11323Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11349Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11350Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11378Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11379Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11408Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11409Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11436Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11437Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11475Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11476Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11507Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11508Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11543Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11572Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11573Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11596Assert.Equal(NullableAnnotation.Annotated, prop.BackingField.GetInferredNullableAnnotation()); 11597Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11638Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.GetInferredNullableAnnotation()); 11639Assert.Equal(NullableAnnotation.NotAnnotated, prop.BackingField.TypeWithAnnotations.NullableAnnotation); 11662Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11663Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11667Assert.Equal(NullableAnnotation.NotAnnotated, metadataField.TypeWithAnnotations.NullableAnnotation); 11701Assert.Equal(NullableAnnotation.Annotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11738Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11739Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11759Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11760Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11783Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 11784Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11808Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 11809Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11829Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 11830Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11861Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 11862Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11894Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11895Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11924Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11925Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11967Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11968Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 11996Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 11997Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12028Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 12029Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12063Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 12064Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12094Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 12095Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12128Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 12129Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12158Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 12159Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12191Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 12192Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12225Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.GetInferredNullableAnnotation()); 12226Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation); 12256Assert.Equal(NullableAnnotation.Annotated, sourceField.GetInferredNullableAnnotation()); 12257Assert.Equal(NullableAnnotation.NotAnnotated, sourceField.TypeWithAnnotations.NullableAnnotation);

2776Assert.Equal(NullableAnnotation.NotAnnotated, e.TypeWithAnnotations.NullableAnnotation); 2780Assert.Equal(NullableAnnotation.Annotated, f.TypeWithAnnotations.NullableAnnotation); 2784Assert.Equal(NullableAnnotation.Oblivious, g.TypeWithAnnotations.NullableAnnotation);

24192Assert.Equal(NullableAnnotation.NotAnnotated, extension.ExtensionParameter.TypeWithAnnotations.NullableAnnotation); 24284Assert.Equal(NullableAnnotation.Annotated, tupleElements[0].NullableAnnotation); 24285Assert.Equal(NullableAnnotation.NotAnnotated, tupleElements[1].NullableAnnotation); 24286Assert.Equal(NullableAnnotation.Oblivious, tupleElements[2].NullableAnnotation); 24399Assert.Equal(NullableAnnotation.Annotated, typeArguments[0].NullableAnnotation); 24400Assert.Equal(NullableAnnotation.NotAnnotated, typeArguments[1].NullableAnnotation); 24401Assert.Equal(NullableAnnotation.Oblivious, typeArguments[2].NullableAnnotation);

15666var funcOfObjectNullable = funcOfT.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(objectType, NullableAnnotation.Annotated))); 15667var funcOfStringNullable = funcOfT.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(stringType, NullableAnnotation.Annotated))); 15668var funcOfStringNotNullable = funcOfT.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(stringType, NullableAnnotation.NotAnnotated))); 15684var setNotNullable = (TypeWithAnnotations type) => TypeWithAnnotations.Create(type.Type, NullableAnnotation.NotAnnotated);

8815Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp0).NullableAnnotation); 8820Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8823Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8828Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8831Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8838Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp0).NullableAnnotation); 8843Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8846Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8851Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8854Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8858Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8861Assert.Equal(NullableAnnotation.Oblivious, getParameterType(comp1).NullableAnnotation); 8868Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp0).NullableAnnotation); 8873Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8876Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8881Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8884Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8891Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8897Assert.Equal(NullableAnnotation.NotAnnotated, getParameterType(comp1).NullableAnnotation); 8934Assert.Equal(NullableAnnotation.Oblivious, c.GetMember<FieldSymbol>("C.F").TypeWithAnnotations.NullableAnnotation); 8935Assert.Equal(NullableAnnotation.Oblivious, c.GetMember<EventSymbol>("C.E").TypeWithAnnotations.NullableAnnotation); 8936Assert.Equal(NullableAnnotation.Oblivious, c.GetMember<PropertySymbol>("C.P").TypeWithAnnotations.NullableAnnotation); 8938Assert.Equal(NullableAnnotation.Oblivious, indexer.TypeWithAnnotations.NullableAnnotation); 8939Assert.Equal(NullableAnnotation.Oblivious, indexer.Parameters[0].TypeWithAnnotations.NullableAnnotation); 8941Assert.Equal(NullableAnnotation.Oblivious, method.ReturnTypeWithAnnotations.NullableAnnotation); 8942Assert.Equal(NullableAnnotation.Oblivious, method.Parameters[0].TypeWithAnnotations.NullableAnnotation); 8981Assert.Equal(NullableAnnotation.Oblivious, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 8982Assert.Equal(NullableAnnotation.Oblivious, tuple.TupleElements[1].TypeWithAnnotations.NullableAnnotation); 9022Assert.Equal(NullableAnnotation.Oblivious, constraintType.NullableAnnotation); 9025Assert.Equal(NullableAnnotation.Oblivious, constraintType.NullableAnnotation); 9028Assert.Equal(NullableAnnotation.Oblivious, constraintType.NullableAnnotation); 9048Assert.Equal(NullableAnnotation.Oblivious, typeArg.NullableAnnotation); 9050Assert.Equal(NullableAnnotation.Oblivious, method.ReturnTypeWithAnnotations.NullableAnnotation); 9052Assert.Equal(NullableAnnotation.Oblivious, typeArg.NullableAnnotation); 9054Assert.Equal(NullableAnnotation.Oblivious, parameter.TypeWithAnnotations.NullableAnnotation); 9056Assert.Equal(NullableAnnotation.Oblivious, typeArg.NullableAnnotation); 10355Assert.Equal(NullableAnnotation.Oblivious, typeArg.NullableAnnotation); 10360Assert.Equal(NullableAnnotation.Oblivious, typeArg.NullableAnnotation); 11180verify("C1.F1", "System.String", NullableAnnotation.Oblivious); 11181verify("C1.F2", "System.String?", NullableAnnotation.Annotated); 11182verify("C1.F3", "System.Int32", NullableAnnotation.Oblivious); 11183verify("C1.F4", "System.Int32?", NullableAnnotation.Annotated); 11184verify("C1.F5", "System.Int32?", NullableAnnotation.Annotated); 11185verify("C2.F1", "System.String", NullableAnnotation.Oblivious); 11186verify("C2.F2", "System.String?", NullableAnnotation.Annotated); 11187verify("C2.F3", "System.Int32", NullableAnnotation.Oblivious); 11188verify("C2.F4", "System.Int32?", NullableAnnotation.Annotated); 11189verify("C2.F5", "System.Int32?", NullableAnnotation.Annotated); 11190verify("C3.F1", "System.String!", NullableAnnotation.NotAnnotated); 11191verify("C3.F2", "System.String?", NullableAnnotation.Annotated); 11192verify("C3.F3", "System.Int32", NullableAnnotation.NotAnnotated); 11193verify("C3.F4", "System.Int32?", NullableAnnotation.Annotated); 11194verify("C3.F5", "System.Int32?", NullableAnnotation.Annotated); 11198void verify(string methodName, string displayName, NullableAnnotation nullableAnnotation) 11276verify("C1.F1", "T", NullableAnnotation.Oblivious); 11277verify("C1.F2", "T?", NullableAnnotation.Annotated); 11278verify("C1.F3", "T", NullableAnnotation.Oblivious); 11279verify("C1.F4", "T?", NullableAnnotation.Annotated); 11280verify("C1.F5", "T", NullableAnnotation.Oblivious); 11281verify("C1.F6", "T?", NullableAnnotation.Annotated); 11282verify("C1.F7", "T?", NullableAnnotation.Annotated); 11283verify("C2.F1", "T", NullableAnnotation.Oblivious); 11284verify("C2.F2", "T?", NullableAnnotation.Annotated); 11285verify("C2.F3", "T", NullableAnnotation.Oblivious); 11286verify("C2.F4", "T?", NullableAnnotation.Annotated); 11287verify("C2.F5", "T", NullableAnnotation.Oblivious); 11288verify("C2.F6", "T?", NullableAnnotation.Annotated); 11289verify("C2.F7", "T?", NullableAnnotation.Annotated); 11290verify("C3.F1", "T", NullableAnnotation.NotAnnotated); 11291verify("C3.F2", "T?", NullableAnnotation.Annotated); 11292verify("C3.F3", "T!", NullableAnnotation.NotAnnotated); 11293verify("C3.F4", "T?", NullableAnnotation.Annotated); 11294verify("C3.F5", "T", NullableAnnotation.NotAnnotated); 11295verify("C3.F6", "T?", NullableAnnotation.Annotated); 11296verify("C3.F7", "T?", NullableAnnotation.Annotated); 11301void verify(string methodName, string displayName, NullableAnnotation nullableAnnotation) 12100Assert.Equal(NullableAnnotation.Annotated, m1.Parameters[0].TypeWithAnnotations.NullableAnnotation); 13899Assert.Equal(NullableAnnotation.Annotated, m1.Parameters[0].TypeWithAnnotations.NullableAnnotation); 13905Assert.Equal(NullableAnnotation.Annotated, m2.ReturnTypeWithAnnotations.NullableAnnotation); 59062Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59096Assert.Equal(NullableAnnotation.Oblivious, symbol.TypeWithAnnotations.NullableAnnotation); 59124Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59156Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59185Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59218Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59250Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59283Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59317Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59344Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59374Assert.Equal(NullableAnnotation.Annotated, type.NullableAnnotation); 59402Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59406Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 59410Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71320Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71324Assert.Equal(NullableAnnotation.NotAnnotated, symbol.TypeWithAnnotations.NullableAnnotation); 71356Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71359Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71397Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71400Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71434Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71437Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71471Assert.Equal(NullableAnnotation.NotAnnotated, symbol.TypeWithAnnotations.NullableAnnotation); 71474Assert.Equal(NullableAnnotation.NotAnnotated, symbol.TypeWithAnnotations.NullableAnnotation); 71506Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71509Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 71539Assert.Equal(NullableAnnotation.NotAnnotated, symbol.TypeWithAnnotations.NullableAnnotation); 71576Assert.Equal(NullableAnnotation.NotAnnotated, symbol.TypeWithAnnotations.NullableAnnotation); 71579Assert.Equal(NullableAnnotation.Annotated, symbol.TypeWithAnnotations.NullableAnnotation); 113178m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.Annotated))), 113179m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.NotAnnotated))), 113180m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.Oblivious))) 113185m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.Annotated))), 113186m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.NotAnnotated))), 113187m1.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(a, NullableAnnotation.Oblivious))) 113544Assert.Equal(NullableAnnotation.NotAnnotated, f1.TypeWithAnnotations.NullableAnnotation); 113569Assert.Equal(NullableAnnotation.Oblivious, f1.TypeWithAnnotations.NullableAnnotation); 115860var c2 = cDefinition.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(cDefinition.TypeParameters.Single(), NullableAnnotation.NotAnnotated))); 115872var c3 = cDefinition.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(cDefinition.TypeParameters.Single(), NullableAnnotation.Annotated))); 115902var i1 = iDefinition.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(iDefinition.TypeParameters.Single(), NullableAnnotation.Annotated))); 115911var c2 = cDefinition.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(cDefinition.TypeParameters.Single(), NullableAnnotation.NotAnnotated))); 115923var i2b = i2.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(iDefinition.TypeParameters.Single(), NullableAnnotation.Annotated))); 115928var i2c = i2.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(i2.TypeParameters.Single(), NullableAnnotation.Annotated))); 115932var c3 = cDefinition.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(cDefinition.TypeParameters.Single(), NullableAnnotation.Annotated))); 115937var i3b = i3.Construct(ImmutableArray.Create(TypeWithAnnotations.Create(i3.TypeParameters.Single(), NullableAnnotation.Annotated))); 126899private static readonly NullableAnnotation[] s_AllNullableAnnotations = ((NullableAnnotation[])Enum.GetValues(typeof(NullableAnnotation))).Where(n => n != NullableAnnotation.Ignored).ToArray(); 126905var inputs = new[] { NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }; 126906Func<int, int, NullableAnnotation> getResult = (i, j) => NullableAnnotationExtensions.Join(inputs[i], inputs[j]); 126908var expected = new NullableAnnotation[3, 3] 126910{ NullableAnnotation.Annotated, NullableAnnotation.Annotated, NullableAnnotation.Annotated }, 126911{ NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.Oblivious }, 126912{ NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }, 126937var inputs = new[] { NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }; 126938Func<int, int, NullableAnnotation> getResult = (i, j) => NullableAnnotationExtensions.Meet(inputs[i], inputs[j]); 126940var expected = new NullableAnnotation[3, 3] 126942{ NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }, 126943{ NullableAnnotation.Oblivious, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }, 126944{ NullableAnnotation.NotAnnotated, NullableAnnotation.NotAnnotated, NullableAnnotation.NotAnnotated }, 126968var inputs = new[] { NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }; 126969Func<int, int, NullableAnnotation> getResult = (i, j) => NullableAnnotationExtensions.EnsureCompatible(inputs[i], inputs[j]); 126971var expected = new NullableAnnotation[3, 3] 126973{ NullableAnnotation.Annotated, NullableAnnotation.Annotated, NullableAnnotation.NotAnnotated }, 126974{ NullableAnnotation.Annotated, NullableAnnotation.Oblivious, NullableAnnotation.NotAnnotated }, 126975{ NullableAnnotation.NotAnnotated, NullableAnnotation.NotAnnotated, NullableAnnotation.NotAnnotated }, 126981private static void AssertEqual(NullableAnnotation[,] expected, Func<int, int, NullableAnnotation> getResult, int size) 126983AssertEx.Equal<NullableAnnotation>(expected, getResult, (na1, na2) => na1 == na2, na => $"NullableAnnotation.{na}", "{0,-32:G}", size); 126994foreach (var a in s_AllNullableAnnotations) 126996foreach (var b in s_AllNullableAnnotations) 127020foreach (var a in s_AllNullableAnnotations) 127022foreach (var b in s_AllNullableAnnotations) 127024foreach (var c in s_AllNullableAnnotations) 127026var leftFirst = a.Join(b).Join(c); 127027var rightFirst = a.Join(b.Join(c)); 127054foreach (var a in s_AllNullableAnnotations) 127056foreach (var b in s_AllNullableAnnotations) 127058foreach (var c in s_AllNullableAnnotations) 127060var leftFirst = a.Meet(b).Meet(c); 127061var rightFirst = a.Meet(b.Meet(c)); 127089foreach (var a in s_AllNullableAnnotations) 127091foreach (var b in s_AllNullableAnnotations) 127093foreach (var c in s_AllNullableAnnotations) 127097var leftFirst = a.EnsureCompatible(b).EnsureCompatible(c); 127098var rightFirst = a.EnsureCompatible(b.EnsureCompatible(c)); 127109foreach (var a in s_AllNullableAnnotations) 127111foreach (var b in s_AllNullableAnnotations) 127113var leftFirst = a.Join(b); 127114var rightFirst = b.Join(a); 127138foreach (var a in s_AllNullableAnnotations) 127140foreach (var b in s_AllNullableAnnotations) 127142var leftFirst = a.Meet(b); 127143var rightFirst = b.Meet(a); 127166foreach (var a in s_AllNullableAnnotations) 127168foreach (var b in s_AllNullableAnnotations) 127170var leftFirst = a.EnsureCompatible(b); 127171var rightFirst = b.EnsureCompatible(a); 138315Assert.Equal(NullableAnnotation.NotAnnotated, interfaces[0].TypeArgumentsWithAnnotationsNoUseSiteDiagnostics.Single().NullableAnnotation); 138317Assert.Equal(NullableAnnotation.Oblivious, interfaces[1].TypeArgumentsWithAnnotationsNoUseSiteDiagnostics.Single().NullableAnnotation); 139487Assert.True(dGoo.Parameters[0].TypeWithAnnotations.NullableAnnotation == NullableAnnotation.Annotated); 139515Assert.Equal(NullableAnnotation.Annotated, c2Goo.Parameters[0].TypeWithAnnotations.NullableAnnotation); 139543Assert.Equal(NullableAnnotation.Annotated, ((ArrayTypeSymbol)c2Goo.Parameters[0].Type).ElementTypeWithAnnotations.NullableAnnotation); 139573Assert.Equal(NullableAnnotation.NotAnnotated, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 139575Assert.Equal(NullableAnnotation.Annotated, tuple.TupleElements[1].TypeWithAnnotations.NullableAnnotation); 139603Assert.Equal(NullableAnnotation.Annotated, c2Goo.ReturnTypeWithAnnotations.NullableAnnotation); 139631Assert.Equal(NullableAnnotation.Annotated, ((ArrayTypeSymbol)c2Goo.ReturnType).ElementTypeWithAnnotations.NullableAnnotation); 139661Assert.Equal(NullableAnnotation.NotAnnotated, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 139663Assert.Equal(NullableAnnotation.Annotated, tuple.TupleElements[1].TypeWithAnnotations.NullableAnnotation); 139686Assert.Equal(NullableAnnotation.Annotated, dGoo.Parameters[0].TypeWithAnnotations.NullableAnnotation); 139709Assert.Equal(NullableAnnotation.Annotated, ((ArrayTypeSymbol)dGoo.Parameters[0].Type).ElementTypeWithAnnotations.NullableAnnotation); 139734Assert.Equal(NullableAnnotation.NotAnnotated, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 139736Assert.Equal(NullableAnnotation.Annotated, tuple.TupleElements[1].TypeWithAnnotations.NullableAnnotation); 139759Assert.Equal(NullableAnnotation.Annotated, dGoo.ReturnTypeWithAnnotations.NullableAnnotation); 139782Assert.Equal(NullableAnnotation.Annotated, ((ArrayTypeSymbol)dGoo.ReturnType).ElementTypeWithAnnotations.NullableAnnotation); 139807Assert.Equal(NullableAnnotation.NotAnnotated, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 139809Assert.Equal(NullableAnnotation.Annotated, tuple.TupleElements[1].TypeWithAnnotations.NullableAnnotation); 139834Assert.Equal(NullableAnnotation.Annotated, dGoo.ReturnTypeWithAnnotations.NullableAnnotation); 139840Assert.Equal(NullableAnnotation.Annotated, tuple.TupleElements[0].TypeWithAnnotations.NullableAnnotation); 150060Assert.Equal(NullableAnnotation.Annotated, parameterType.NullableAnnotation); 154894VerifyVariableAnnotation(model, locals[0], "T? t1", NullableAnnotation.Annotated); 154895VerifyVariableAnnotation(model, locals[1], "T? t2", NullableAnnotation.Annotated); 154896VerifyVariableAnnotation(model, locals[2], "T? t3", NullableAnnotation.Annotated); 154897VerifyVariableAnnotation(model, locals[3], "T? t4", NullableAnnotation.Annotated); 154898VerifyVariableAnnotation(model, locals[4], "T? t5", NullableAnnotation.Annotated); 154963VerifyVariableAnnotation(model, locals[0], "T? y1", NullableAnnotation.Annotated); 154964VerifyVariableAnnotation(model, locals[1], "T? y2", NullableAnnotation.Annotated); 154965VerifyVariableAnnotation(model, locals[2], "T? y3", NullableAnnotation.Annotated); 154966VerifyVariableAnnotation(model, locals[3], "T? y4", NullableAnnotation.Annotated); 154967VerifyVariableAnnotation(model, locals[4], "U? y5", NullableAnnotation.Annotated); 154970private static void VerifyVariableAnnotation(SemanticModel model, VariableDeclaratorSyntax syntax, string expectedDisplay, NullableAnnotation expectedAnnotation) 154975(expectedAnnotation == NullableAnnotation.Annotated) ? CodeAnalysis.NullableAnnotation.Annotated : CodeAnalysis.NullableAnnotation.NotAnnotated,

1680Assert.Equal(NullableAnnotation.NotAnnotated, p1.TypeWithAnnotations.NullableAnnotation); 1684Assert.Equal(NullableAnnotation.Annotated, p2.TypeWithAnnotations.NullableAnnotation); 1688Assert.Equal(NullableAnnotation.Oblivious, p3.TypeWithAnnotations.NullableAnnotation);

43var wrappedLocal1 = UpdatedContainingSymbolAndNullableAnnotationLocal.CreateForTest(local1, m2, TypeWithAnnotations.Create(local1.Type, NullableAnnotation.Annotated)); 44var wrappedLocal1a = UpdatedContainingSymbolAndNullableAnnotationLocal.CreateForTest(local1, m2, TypeWithAnnotations.Create(local1.Type, NullableAnnotation.Annotated)); 45var wrappedLocal2 = UpdatedContainingSymbolAndNullableAnnotationLocal.CreateForTest(local2, m2, TypeWithAnnotations.Create(local1.Type, NullableAnnotation.NotAnnotated));

158return (type.NullableAnnotation != NullableAnnotation.Oblivious && typeSymbol.IsReferenceType && !typeSymbol.IsErrorType()) ||