Adding a condition to cast QueryNode to SingleResourceCastNode for Unquoted Type Parameter

src/Microsoft.AspNetCore.OData/Query/Expressions/QueryBinder.cs

@@ -642,7 +642,21 @@ public virtual Expression BindSingleResourceCastFunctionCall(SingleResourceFunct
 
         IEdmModel model = context.Model;
 
-        string targetEdmTypeName = (string)((ConstantNode)node.Parameters.Last()).Value;
+        string targetEdmTypeName = null;
+        QueryNode queryNode = node.Parameters.Last();
+        if (queryNode is ConstantNode constantNode)
+        {
+            targetEdmTypeName = constantNode.Value as string;
+        }
+        else if (queryNode is SingleResourceCastNode singleResourceCastNode)
+        {
+            targetEdmTypeName = singleResourceCastNode.TypeReference.FullName();
+        }
+        else
+        {
+            throw Error.NotSupported(SRResources.QueryNodeBindingNotSupported, queryNode.Kind, "BindSingleResourceCastFunctionCall");
+        }
+
         IEdmType targetEdmType = model.FindType(targetEdmTypeName);
         Type targetClrType = null;
 

test/Microsoft.AspNetCore.OData.Tests/Formatter/Serialization/EntityTypeTests.cs

@@ -55,7 +55,8 @@ public async Task EntityTypeSerializesAsODataEntry()
             "\"BaseSalary\":0," +
             "\"Birthday\":\"2020-09-10T01:02:03Z\"," +
             "\"WorkCompanyId\":0," +
-            "\"HomeAddress\":null" +
+            "\"HomeAddress\":null," +
+            "\"Location\":null" +
             "}", actual);
     }
 

test/Microsoft.AspNetCore.OData.Tests/Models/Employee.cs

@@ -32,6 +32,8 @@ public class Employee
 
     public Address HomeAddress { get; set; }
 
+    public Address Location { get; set; }
+
     public IList<Employee> DirectReports { get; set; }
 }
 

test/Microsoft.AspNetCore.OData.Tests/Models/WorkAddress.cs

@@ -0,0 +1,14 @@
+//-----------------------------------------------------------------------------
+// <copyright file="WorkAddress.cs" company=".NET Foundation">
+//      Copyright (c) .NET Foundation and Contributors. All rights reserved.
+//      See License.txt in the project root for license information.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace Microsoft.AspNetCore.OData.Tests.Models;
+
+public class WorkAddress : Address
+{
+    public string OfficeNumber { get; set; }
+}
+