From 6855540dd14a9c592e33094ec3ce80365506930b Mon Sep 17 00:00:00 2001
From: dadhi <max.volkov@gmail.com>
Date: Sun, 2 Oct 2022 23:12:21 +0200
Subject: [PATCH] 4th test for #347 without nullable

---
 ...returns_a_record_which_implements_IList.cs | 35 +++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/test/FastExpressionCompiler.IssueTests/Issue347_InvalidProgramException_on_compiling_an_expression_that_returns_a_record_which_implements_IList.cs b/test/FastExpressionCompiler.IssueTests/Issue347_InvalidProgramException_on_compiling_an_expression_that_returns_a_record_which_implements_IList.cs
index ddb87978..6cfdd75f 100644
--- a/test/FastExpressionCompiler.IssueTests/Issue347_InvalidProgramException_on_compiling_an_expression_that_returns_a_record_which_implements_IList.cs
+++ b/test/FastExpressionCompiler.IssueTests/Issue347_InvalidProgramException_on_compiling_an_expression_that_returns_a_record_which_implements_IList.cs
@@ -21,10 +21,41 @@ public class Issue347_InvalidProgramException_on_compiling_an_expression_that_re
     {
         public int Run()
         {
-            Test_nullable_param_in_closure_of_the_nested_lambda();
+            Test_struct_parameter_in_closure_of_the_nested_lambda();
+            // Test_nullable_param_in_closure_of_the_nested_lambda();
             // Test_nullable_of_struct_and_struct_field_in_the_nested_lambda();
             // Test_original();
-            return 3;
+            return 4;
+        }
+
+        [Test]
+        public void Test_struct_parameter_in_closure_of_the_nested_lambda()
+        {
+            var incMethod = GetType().GetMethod(nameof(Inc), BindingFlags.Public | BindingFlags.Static);
+            var propValue = typeof(NotifyModel).GetProperty(nameof(NotifyModel.Number1));
+
+            var p = Parameter(typeof(NotifyModel), "m");
+            var expr = Lambda<Func<NotifyModel, int>>(
+                Call(incMethod, Lambda<Func<int>>(Property(p, propValue))),
+                p
+            );
+
+            expr.PrintCSharp();
+
+            var fs = expr.CompileSys();
+            fs.PrintIL();
+
+            var m = new NotifyModel(42, -1);
+
+            var x = fs(m);
+            Assert.AreEqual(43, x);
+
+            var f = expr.CompileFast(true, CompilerFlags.EnableDelegateDebugInfo);
+            Assert.IsNotNull(f);
+            f.PrintIL();
+
+            var y = f(m);
+            Assert.AreEqual(43, y);
         }
 
         [Test]