Fix XmlDocumentationExtensions deadlock

src/NJsonSchema.Tests/Generation/XmlDocTests.cs

@@ -118,7 +118,7 @@ public async Task When_xml_doc_is_missing_then_summary_is_missing()
             //// Assert
             Assert.Empty(summary);
         }
-        
+
         public abstract class BaseBaseClass
         {
             /// <summary>Foo.</summary>

src/NJsonSchema/Generation/JsonSchemaGenerator.cs

@@ -325,7 +325,7 @@ public virtual string GetPropertyName(Newtonsoft.Json.Serialization.JsonProperty
             schema.IsAbstract = type.GetTypeInfo().IsAbstract;
 
             await GeneratePropertiesAndInheritanceAsync(type, schema, schemaResolver).ConfigureAwait(false);
-            await ApplyAdditionalPropertiesAsync(type, schema, schemaResolver);
+            await ApplyAdditionalPropertiesAsync(type, schema, schemaResolver).ConfigureAwait(false);
 
             if (Settings.GenerateKnownTypes)
                 await GenerateKnownTypesAsync(type, schemaResolver).ConfigureAwait(false);
@@ -345,7 +345,7 @@ public virtual string GetPropertyName(Newtonsoft.Json.Serialization.JsonProperty
                 var genericTypeArguments = extensionDataProperty.PropertyType.GetGenericTypeArguments();
                 var extensionDataPropertyType = genericTypeArguments.Length == 2 ? genericTypeArguments[1] : typeof(object);
 
-                schema.AdditionalPropertiesSchema = await GenerateWithReferenceAndNullabilityAsync<JsonSchema4>(extensionDataPropertyType, null, schemaResolver);
+                schema.AdditionalPropertiesSchema = await GenerateWithReferenceAndNullabilityAsync<JsonSchema4>(extensionDataPropertyType, null, schemaResolver).ConfigureAwait(false);
             }
             else
                 schema.AllowAdditionalProperties = false;

src/NJsonSchema/Infrastructure/DynamicApis.cs

@@ -121,7 +121,7 @@ public static async Task<bool> DirectoryExistsAsync(string filePath)
                 return false;
 
             return await FromResult((bool)DirectoryType.GetRuntimeMethod("Exists",
-                new[] { typeof(string) }).Invoke(null, new object[] { filePath }));
+                new[] { typeof(string) }).Invoke(null, new object[] { filePath })).ConfigureAwait(false);
         }
 
         /// <summary>Checks whether a file exists.</summary>
@@ -137,7 +137,7 @@ public static async Task<bool> FileExistsAsync(string filePath)
                 return false;
 
             return await FromResult((bool)FileType.GetRuntimeMethod("Exists",
-                new[] { typeof(string) }).Invoke(null, new object[] { filePath }));
+                new[] { typeof(string) }).Invoke(null, new object[] { filePath })).ConfigureAwait(false);
         }
 
         /// <summary>Reads all content of a file (UTF8).</summary>
@@ -206,13 +206,13 @@ public static object XPathEvaluate(XDocument document, string path)
         }
 
 #if LEGACY
-        private static async Task<T> FromResult<T>(T result)
+        internal static async Task<T> FromResult<T>(T result)
         {
             return result;
         }
 #else
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static Task<T> FromResult<T>(T result)
+        internal static Task<T> FromResult<T>(T result)
         {
             return Task.FromResult(result);
         }

src/NJsonSchema/JsonReferenceResolver.cs

@@ -58,7 +58,7 @@ public void AddDocumentReference(string documentPath, IJsonReference schema)
         /// <exception cref="NotSupportedException">Could not resolve the JSON path.</exception>
         public async Task<IJsonReference> ResolveReferenceAsync(object rootObject, string jsonPath)
         {
-            return await ResolveReferenceAsync(rootObject, jsonPath, true);
+            return await ResolveReferenceAsync(rootObject, jsonPath, true).ConfigureAwait(false);
         }
 
         /// <summary>Gets the object from the given JSON path.</summary>
@@ -69,7 +69,7 @@ public async Task<IJsonReference> ResolveReferenceAsync(object rootObject, strin
         /// <exception cref="NotSupportedException">Could not resolve the JSON path.</exception>
         public async Task<IJsonReference> ResolveReferenceWithoutAppendAsync(object rootObject, string jsonPath)
         {
-            return await ResolveReferenceAsync(rootObject, jsonPath, false);
+            return await ResolveReferenceAsync(rootObject, jsonPath, false).ConfigureAwait(false);
         }
 
         /// <summary>Resolves a document reference.</summary>

src/NJsonSchema/JsonSchema4.cs

@@ -158,7 +158,7 @@ public static async Task<JsonSchema4> FromUrlAsync(string url)
         /// <exception cref="NotSupportedException">The HttpClient.GetAsync API is not available on this platform.</exception>
         public static async Task<JsonSchema4> FromUrlAsync(string url, Func<JsonSchema4, JsonReferenceResolver> referenceResolverFactory)
         {
-            var data = await DynamicApis.HttpGetAsync(url);
+            var data = await DynamicApis.HttpGetAsync(url).ConfigureAwait(false);
             return await FromJsonAsync(data, url, referenceResolverFactory).ConfigureAwait(false);
         }
 

src/NJsonSchema/JsonSchemaReferenceUtilities.cs

@@ -96,9 +96,9 @@ public JsonReferenceUpdater(object rootObject, JsonReferenceResolver referenceRe
             public override async Task VisitAsync(object obj)
             {
                 _replaceRefsRound = true;
-                await base.VisitAsync(obj);
+                await base.VisitAsync(obj).ConfigureAwait(false);
                 _replaceRefsRound = false;
-                await base.VisitAsync(obj);
+                await base.VisitAsync(obj).ConfigureAwait(false);
             }
 
             protected override async Task<IJsonReference> VisitJsonReferenceAsync(IJsonReference reference, string path, string typeNameHint)