From 1c076b836aa11aec2cde12781736801f1ee16d2d Mon Sep 17 00:00:00 2001
From: Mark Junker <m.junker@fubar-dev.de>
Date: Wed, 3 Jan 2024 10:31:03 +0100
Subject: [PATCH] Allow usage of private setter

---
 src/FubarDev.BeanIO/Internal/Util/BeanUtil.cs |  2 +-
 test/FubarDev.BeanIO.Test/Beans/Bean.cs       |  9 ++++++
 .../Issues/PrivateSetterTests.cs              | 32 +++++++++++++++++++
 3 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 test/FubarDev.BeanIO.Test/Issues/PrivateSetterTests.cs

diff --git a/src/FubarDev.BeanIO/Internal/Util/BeanUtil.cs b/src/FubarDev.BeanIO/Internal/Util/BeanUtil.cs
index 9546f86..a9473fa 100644
--- a/src/FubarDev.BeanIO/Internal/Util/BeanUtil.cs
+++ b/src/FubarDev.BeanIO/Internal/Util/BeanUtil.cs
@@ -354,7 +354,7 @@ private string RemovePrefixForSetter(string setterName)
                 var typeInfo = _typeInfo;
                 while (typeInfo != typeof(object))
                 {
-                    methodInfo = typeInfo.GetMethod(name);
+                    methodInfo = typeInfo.GetMethod(name, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
                     if (methodInfo != null)
                         break;
                     if (typeInfo.BaseType == null)
diff --git a/test/FubarDev.BeanIO.Test/Beans/Bean.cs b/test/FubarDev.BeanIO.Test/Beans/Bean.cs
index 8e353a2..00f6e39 100644
--- a/test/FubarDev.BeanIO.Test/Beans/Bean.cs
+++ b/test/FubarDev.BeanIO.Test/Beans/Bean.cs
@@ -37,5 +37,14 @@ public class Bean
         public Bean? record;
         public Bean? segment;
         #endregion
+
+        public int? NoOpSetter
+        {
+            get => 1;
+        }
+
+        private void SetNoOpSetter(int? value)
+        {
+        }
     }
 }
diff --git a/test/FubarDev.BeanIO.Test/Issues/PrivateSetterTests.cs b/test/FubarDev.BeanIO.Test/Issues/PrivateSetterTests.cs
new file mode 100644
index 0000000..2e6b613
--- /dev/null
+++ b/test/FubarDev.BeanIO.Test/Issues/PrivateSetterTests.cs
@@ -0,0 +1,32 @@
+// <copyright file="PrivateSetterTests.cs" company="Fubar Development Junker">
+// Copyright (c) 2016 Fubar Development Junker. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+// </copyright>
+
+using BeanIO.Beans;
+using BeanIO.Builder;
+
+using Xunit;
+
+namespace BeanIO.Issues;
+
+public class PrivateSetterTests
+{
+    [Fact]
+    public void TestPrivateSetter()
+    {
+        var factory = StreamFactory.NewInstance();
+        factory.Define(
+            new StreamBuilder("s")
+                .Format("fixedlength")
+                .AddRecord(
+                    new RecordBuilder("r", typeof(Bean))
+                        .AddField(new FieldBuilder(nameof(Bean.NoOpSetter))
+                            .Length(1)
+                            .RegEx("[0-9]")
+                            .Setter("SetNoOpSetter"))));
+        var unmarshaller = factory.CreateUnmarshaller("s");
+        var bean = Assert.IsType<Bean>(unmarshaller.Unmarshal("1"));
+        Assert.Equal(1, bean.NoOpSetter);
+    }
+}