fix: null flag comparison

baywet · andrueastman · web-flow · commit 081e2511b9df · 2025-02-03T08:55:20.000-05:00
Co-authored-by: Andrew Omondi &lt;andrueastman@users.noreply.github.com&gt;
diff --git a/src/Microsoft.OpenApi/Models/OpenApiSchema.cs b/src/Microsoft.OpenApi/Models/OpenApiSchema.cs
@@ -633,7 +633,7 @@ private void SerializeTypeProperty(JsonSchemaType? type, IOpenApiWriter writer,
         {
             // check whether nullable is true for upcasting purposes
             var isNullable = Nullable ||
-                            Type is JsonSchemaType.Null ||
+                            (Type.HasValue && Type.Value.HasFlag(JsonSchemaType.Null))  ||
                                 Extensions is not null &&
                                 Extensions.TryGetValue(OpenApiConstants.NullableExtension, out var nullExtRawValue) && 
                                 nullExtRawValue is OpenApiAny { Node: JsonNode jsonNode} &&

Original file line number	Diff line number	Diff line change
`@@ -633,7 +633,7 @@ private void SerializeTypeProperty(JsonSchemaType? type, IOpenApiWriter writer,`
`633`	`633`	`{`
`634`	`634`	`// check whether nullable is true for upcasting purposes`
`635`	`635`	`var isNullable = Nullable \|\|`
`636`		`- Type is JsonSchemaType.Null \|\|`
	`636`	`+ (Type.HasValue && Type.Value.HasFlag(JsonSchemaType.Null)) \|\|`
`637`	`637`	`Extensions is not null &&`
`638`	`638`	`Extensions.TryGetValue(OpenApiConstants.NullableExtension, out var nullExtRawValue) &&`
`639`	`639`	`nullExtRawValue is OpenApiAny { Node: JsonNode jsonNode} &&`