Correct VisitUnary operand evaluation in funcletizer

Fixes #35152

Author: roji

src/EFCore/Query/Internal/ExpressionTreeFuncletizer.cs

@@ -1548,14 +1548,11 @@ UnaryExpression EvaluateOperand(UnaryExpression unary, Expression operand, State
                 operand = ProcessEvaluatableRoot(operand, ref operandState);
             }
 
-            if (_state.ContainsEvaluatable)
-            {
-                _state = _calculatingPath
-                    ? State.CreateContainsEvaluatable(
-                        typeof(UnaryExpression),
-                        [_state.Path! with { PathFromParent = static e => Property(e, nameof(UnaryExpression.Operand)) }])
-                    : State.NoEvaluatability;
-            }
+            _state = operandState.ContainsEvaluatable && _calculatingPath
+                ? State.CreateContainsEvaluatable(
+                    typeof(UnaryExpression),
+                    [_state.Path! with { PathFromParent = static e => Property(e, nameof(UnaryExpression.Operand)) }])
+                : State.NoEvaluatability;
 
             return unary.Update(operand);
         }

test/EFCore.Cosmos.FunctionalTests/Query/NorthwindMiscellaneousQueryCosmosTest.cs

@@ -5317,6 +5317,17 @@ public override async Task Ternary_Null_StartsWith(bool async)
         AssertSql();
     }
 
+    public override async Task Cast_to_object_over_parameter_directly_in_lambda(bool async)
+    {
+        // Sync always throws before getting to exception being tested.
+        if (async)
+        {
+            // Cosmos doesn't support ORDER BY over parameter/constant:
+            // Unsupported ORDER BY clause. ORDER BY item expression could not be mapped to a document path.
+            await Assert.ThrowsAsync<CosmosException>(() => base.Cast_to_object_over_parameter_directly_in_lambda(async: true));
+        }
+    }
+
     private void AssertSql(params string[] expected)
         => Fixture.TestSqlLoggerFactory.AssertBaseline(expected);
 

test/EFCore.Specification.Tests/Query/NorthwindMiscellaneousQueryTestBase.cs

@@ -5890,4 +5890,15 @@ public virtual Task Ternary_Null_StartsWith(bool async)
             async,
             ss => ss.Set<Order>().OrderBy(x => x.OrderID).Select(x => x == null ? null : x.OrderID + ""),
             x => x.StartsWith("1"));
+
+    [ConditionalTheory] // #35152
+    [MemberData(nameof(IsAsyncData))]
+    public virtual Task Cast_to_object_over_parameter_directly_in_lambda(bool async)
+    {
+        var i = 8;
+
+        return AssertQuery(
+            async,
+            ss => ss.Set<Order>().OrderBy(o => (object)i).Select(o => o));
+    }
 }

test/EFCore.SqlServer.FunctionalTests/Query/NorthwindMiscellaneousQuerySqlServerTest.cs

@@ -7516,6 +7516,17 @@ ORDER BY [o].[OrderID]
 """);
     }
 
+    public override async Task Cast_to_object_over_parameter_directly_in_lambda(bool async)
+    {
+        await base.Cast_to_object_over_parameter_directly_in_lambda(async);
+
+        AssertSql(
+            """
+SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
+FROM [Orders] AS [o]
+""");
+    }
+
     private void AssertSql(params string[] expected)
         => Fixture.TestSqlLoggerFactory.AssertBaseline(expected);